Capturing Autonomy, Relatedness and Competence at Work: Construction and Validation of a Work-related Basic Need Satisfaction Scale. Anja VAN DEN BROECK1, Maarten VANSTEENKISTE², Hans DE WITTE1, Willy LENS1, Bart SOENENS² 1University 2Ghent of Leuven, Belgium University, Belgium Corresponding Author: Anja Van den Broeck, Tiensestraat 102, 3000 Leuven, Belgium. Email: Anja.VandenBroeck@psy.kuleuven.be NOTE: The first author’s contribution was supported by the grant from the Fund for Scientific Research Flanders (FWO-Vlaanderen). We would like to thank Filip Germeijs and Rein De Cooman for their help in the data collection and Lance Ferris for his helpful suggestions in conducting this research. Need satisfaction at work 2 Abstract The satisfaction of the basic psychological needs for autonomy, competence and relatedness, as defined by Self-Determination Theory, has been identified as an important predictor of individuals’ optimal functioning. The study of work-related need satisfaction is, however, hampered by the lack of a validated measure. The present study aimed to develop and validate a Work-related Basic Need Satisfaction scale (W-BNS). Using four samples, evidence was found for the 3-factor structure of the scale, the discriminant validity and reliability of the three needs, and their criterion-related and predictive validity. Based on these results, it is concluded that the W-BNS represents a promising tool for future research and practice. KEY WORDS: Scale Development, Basic Need Satisfaction, Self-Determination Theory, Work Motivation Need satisfaction at work 3 Capturing Autonomy, Relatedness and Competence at Work Construction and Validation of a Work-related Basic Need Satisfaction Scale. Various scholars have suggested that needs are the fundamental drivers of human behavior (Latham & Pinder, 2005). Maslow (1943), for instance, suggested five hierarchically ordered needs ranging from physiological sustainability to self-actualisation. McClelland (1965) proposed that individuals differ in the extent to which they develop, for instance, a need for achievement, affiliation and power. In Self-Determination Theory (SDT; Deci & Ryan, 2000; Vansteenkiste, Ryan, & Deci, 2008 three innate psychological needs are considered crucial for individuals’ optimal functioning, that is, the needs for autonomy (i.e., volitional functioning), relatedness (i.e., feeling loved and cared for) and competence (i.e., feeling effective). The empirical literature on need satisfaction is exponentially growing, providing evidence for the beneficial effects of basic psychological need satisfaction, as defined in SDT, both in general and in specific life-domains (Deci & Ryan, 2000). However, a coherent further study of need satisfaction in the context of work might be hampered by the lack of a validated domain specific measurement, leading researchers to rely on ad-hoc scales (e.g., Roca & Gagné, 2008). Based on four samples, we aim to develop and validate a work-related basic need satisfaction measure in this study, which might foster the study of work-related need satisfaction, its antecedents and outcomes. Basic Psychological Need Satisfaction in Self-Determination Theory In SDT, basic psychological need satisfaction is assumed to represent the underlying motivational mechanism that energizes and directs people’s behavior and that promotes wellness and development (Deci & Ryan, 2000). Need satisfaction is defined as the innate psychological nutriment that is essential for ongoing optimal functioning (Deci & Ryan, 2000). This definition highlights several important features of SDT’s concept of needs. First, primary attention is paid to individuals’ psychological rather than their biological needs (e.g., hunger, thirst, sex) as was the case in the early need theories (e.g., Hull, 1943). Second, similar to biological needs, these psychological needs are said to be innate, thus being part of all individuals’ inherent nature and remaining important throughout the life-span. Third, basic need satisfaction is regarded as essential for individuals’ optimal functioning and wellness, as the provision of water, minerals and sunshine is crucial for plants to blossom (Ryan, 1995). In SDT, three psychological needs are considered crucial, that is, the needs for autonomy, competence and relatedness. The need for autonomy represents individuals’ inherent desire to feel volitional in acting and to experience a sense of choice and authorship over their behavior (deCharms, 1968; Deci & Ryan, 2000). Although related, SDT’s concept of autonomy is somewhat different from Need satisfaction at work 4 the conceptualizations of autonomy as typically held in organizational psychology (e.g., Morgeson & Humphrey, 2006). Karasek (1979), for instance, equals autonomy with decision latitude and control over skill utilization. Hackman and Oldham (1975) define autonomy in terms of “substantial freedom, independence and discretion to the individual in scheduling the work and in determining the procedures to be used in carrying it out” (p. 258). First, unlike SDT’s definition of autonomy, which refers to the subjective experience of freedom and choice, these definitions refer to autonomy as a task characteristic. Second, although task autonomy is likely to contribute to feelings of psychological freedom, people might also get their need for autonomy satisfied when they depend on others or even when they follow orders from others. Employees might for instance execute a particular task ordered by their superior (which reflects a lack of independence) but still willingly engage in this task because the superior provided a meaningful and clear rationale doing the task (Soenens et al., 2007). The second basic psychological need in SDT, the need for relatedness, is defined as individuals’ inherent propensity to feel connected to others, that is, to be members of a group, to love and care and be loved and cared for (Baumeister & Leary, 1995). The need for relatedness will be satisfied if people experience a sense of communion and develop close and intimate relationships with others (Deci & Ryan, 2000). The assumption that individuals benefit from being cared fore and have the natural tendency to integrate themselves in the social matrix is equally emphasized in developmental approaches such as attachment theory (Bowlby, 1969) and is consistent with concepts in organizational psychology such as social support (Viswesvaran, Sanchez, & Fisher, 1999) and loneliness at work (Wright, Burt, & Strongman, 2006). Finally, the need for competence is defined as an individual’s inherent desire to feel effective in interacting with the environment (Deci & Ryan, 2000; White, 1959). It is prominent in individuals' propensity to explore and manipulate the environment and to actively seek challenges to extend one's skills. Competence satisfaction allows individuals to efficiently adapt to complex and changing environments, whereas competence frustration is likely to result in helplessness and a lack of motivation (Deci & Ryan, 2000). Like the need for relatedness, the need for competence is rather uncontroversial in organizational psychology. Similar constructs figure in Vroom’s (1964) expectancy-value theory and Bandura’s (1997) self-efficacy theory. Outcome expectancies and self-efficacy refer, however, to acquired cognitions with respect to one’s capacities to successfully accomplish particular tasks. Therefore, they are positively valued as far as they help one in reaching desired goals. Because SDT’s concept of competence refers to an innate tendency to effectively deal with the environment, competence satisfaction is valued in its own right (Deci & Ryan, 2000). The SDT view on needs differs in at least two ways from other well-known need perspectives such as McClelland’s framework (1965). First, McClelland focuses upon need strength. As he considers needs to originate out of one’s developmental process, individuals are thought to differ in the strength of Need satisfaction at work 5 or importance they attach to particular needs. For instance, individuals may differ in the need for achievement because some were previously lauded after achieving a particular goal, and hence, learned to attach positive feelings to achievement situations, whereas others did not (Winterbottum, 1959). As all individuals are said to be endowed with the basic psychological needs within SDT (Deci & Ryan, 2000), SDT does not consider individual differences in need strength, but differences in the degree in which people are able to satisfy their fundamental needs. The degree of need satisfaction is considered the most important predictor for optimal functioning. Consequently, SDT maintains, for instance, that positive feedback is beneficial for all employees, as it satisfies their inborn need for competence (Mouratidis, Vansteenkiste, Lens, & Sideris, 2008). Second, McClelland argues that needs drive individuals’ behavior until needs are fully satisfied. When need satisfaction is reached, the behavior is stopped until the need becomes again salient. In this view, people with a high need for affiliation will search for warm social contacts. Once such contact has taken place, the need is temporarily reduced and the behavior wanes. According to SDT, individuals do not need to experience a deficit in need satisfaction in order to search for need satisfaction. Rather, they are assumed to be attracted to situations in which need satisfaction may occur. Further, unlike in McClelland’s framework, individuals experiencing need satisfaction are assumed to feel energized and to engage actively in more need fulfilling activities. In general, SDT maintains that the satisfaction of the three basic psychological needs for autonomy, competence and relatedness contributes to individuals’ flourishing, wellness and protects them against ill-being. Consistent with this claim, several studies have shown positive relations between need satisfaction and optimal functioning in general (Sheldon, Elliot, Kim, & Kasser, 2001) and across life-domains such as sports and exercise (Vlachopoulos & Michailidou, 2006), schooling (Gillison, Standage, & Skerington, 2008), and relationships (La Guardia, Ryan, Couchman, & Deci, 2000). Such findings have been obtained at the interpersonal and intra-individual level (e.g., Mouratidis, et al., 2008; Reis, Sheldon, Gable, Roscoe, & Ryan, 2000) and in culturally very diverse samples, such as American (Reis et al., 2000), Belgian (Luyckx, Vansteenkiste, Goossens, & Duriez, in press), Singaporean (Sheldon, et al., 2001), Chinese (Vansteenkiste, Lens, Soenens, & Luyckx, 2006), and Russian (Chirkov, Ryan, Kim, & Kaplan, 2003) participants. In the context of work, initial evidence was found for positive relations between need satisfaction and employees’ work-related well-being as indexed by job satisfaction, work engagement and lower burnout (Ilardi, Leone, Kasser, & Ryan, 1993, Van den Broeck, Vansteenkiste, De Witte, & Lens, 2008), positive attitudes in terms of decreased turnover-intentions (Lynch, Plant, & Ryan, 2005; Vansteenkiste et al., 2007), and employees’ performance (Baard, Deci, & Ryan, 2004; Richer & Vallerand, 1995). Work-related need satisfaction has furthermore been related to general well-being in terms of vitality, life-satisfaction, self-esteem, and less ill-being as indexed by anxiety, depression and Need satisfaction at work 6 somatization (Baard, et al., 2004). Basic need satisfaction has also been proposed as a useful concept to understand the impact of organizational factors, as it has been shown to explain the associations between supervisors' leadership styles (e.g., Deci, Ryan, Gagné, Leone, Usunov, & Kornazheva, 2001), job characteristics (Van den Broeck, et al., 2008) and employees’ well-being and performance. Present Study Clearly, need satisfaction at work may be a useful concept to understand employees’ functioning and examine the motivational potential of organizational factors. However, within this promising body of research, different ad-hoc instruments have been used. This might hamper the development of a coherent and cumulative literature on work-related need satisfaction for various reasons. First, to date, these questionnaires lack stringent validation. Second, the different scales used sometimes contain items that do not tap into the satisfaction of the basic needs as such. For instance, the basic need satisfaction at work scale (W-BNS, Baard, et al., 2004; Deci, et al., 2001; Vansteenkiste, et al., 2007) includes items referring to job characteristics such as social support (e.g., “People at work tell me I am good at what I do”), which may represent an antecedent of basic need satisfaction rather than the experience of need satisfaction per se. Alternatively, the work motivation form employee scale (WMF- E; Ilardi, et al., 1993; Kasser, Davey, & Ryan, 1992) assesses potential consequences of basic need satisfaction such as intrinsic motivation (e.g., “How much do you enjoy your work”). Third, little research has been conducted to gain insight in the role of need frustration. This is an important issue in light of previous critical accounts suggesting that SDT is exclusively concerned with human flourishing at the expense of human maladjustment and need frustration (Pyszczynski, Greenberg, & Solomon, 2000). We formulated items that tap into both need satisfaction and need frustration. This was done to examine whether need satisfaction and need frustration can be located onto one underlying continuum or represent two different aspects of employees’ functioning, as suggested by research on the distinction between pleasure and displeasure (Barrett, Mesquita, Ochsner, & Gross, 2007; Watson, & Tellegen, 1985). In sum, in this study, we aim to develop and validate a content-valid measure to asses need satisfaction and need frustration in the context of work. To this end, the following steps were taken (Hinkin, 1998; Devellis, 2003). In Phase 1, a large item pool was generated. In Phase 2, a final set of items was selected based on item analysis, exploratory factor analysis, and inter-item correlations. In Phase 3, confirmatory factor analysis was used to further validate the factor structure of the scale and to examine the discriminant validity of the different needs. In Phase 4, we further investigated the psychometric properties of the scale by examining the scales’ reliability and the degree to which impression management would confound this self-report measure. In particular, we examined the role of impression management, that is, individuals’ tendency to create and maintain desired perceptions of Need satisfaction at work 7 themselves (Bolino, Kacmar, Tumley, & Gilstrap, 2008), as it has been forwarded as a potential confound in self-report research in organisational psychology (e.g., Ferris, Brown, Berry, & Lian, 2008). In Phase 5, we aimed to examine the discriminant, criterion-related, and predictive validity of the WBNS. Specifically, we examined whether the three needs were different from, yet related to job resources (i.e., task autonomy, opportunities for skill utilization and social support), as environmental factors and employees’ functioning in terms of well-being (i.e., job satisfaction, vigor, exhaustion), work-related attitudes (i.e., intrinsic motivation, affective organisational commitment) and behavior (i.e., performance). In addition to assessing whether need satisfaction relates to employees’ self-reported functioning, we furthermore examined the W-BNS’ potential to predict an objective, prospective outcome, that is, actual turnover. To examine these issues, four samples were used. First, a large convenience sample (N = 594) was recruited. This sample was randomly split in Sample 1 (N = 297) and Sample 2 (N = 297) to select the final set of items and assess the scale’s factor structure and reliability (Phase 3). To further examine the psychometric properties of the scale and assess its discriminant and criterion-related validity, two samples in two different organisations (Sample 3 and Sample 4) were collected. The predictive validity of the W-BNS was assessed in Sample 4. Method Procedure and Participants Sample 1 and 2 were collected by 120 undergraduate students of a large university in the Dutchspeaking part of Belgium. As part of an introductory course on quantitative research, the students were asked to distribute 5 questionnaires among friends or relatives with at least three years of working experience as an employee. The questionnaires included a letter explaining that participation was voluntary and anonymous. The completed questionnaires were either picked up by the students in sealed envelopes or they were directly sent back to the researchers by the participants using pre-stamped envelops. In total, 594 questionnaires were returned. Sample 3 included 170 Belgian employees of a HR-service company, whereas Sample 4 comprised 261 Dutch call centre agents. For Samples 3 and 4, data collection was part of a voluntary and confidential internet survey, which participants filled out during regular working hours. Information about participants’ background variables is displayed in Table 1. ----- Please, insert Table 1 about here ----- Need satisfaction at work 8 Measures All questionnaires were available in Dutch. Scale scores were computed as the mean of the items. Impression management was assessed in Sample 3 with 18 items borrowed from Wayne and Ferris (1990) such as “I arrive early to make a good impression on my supervisor”. Responses were made on a 5-point Likert scale ranging from 1 (totally disagree) to 5 (totally agree). Cronbach’s alpha of the scale was .83. To avoid over-specification of our model, prior to model testing, these items were randomly aggregated in three parcels (Alhija & Wisenbaker, 2006). Job resources were measured in Sample 3 and 4. Task autonomy was measured with five items of Rosenthal, Guest, and Peccei, (1996) such as “I can decide for my own which task I execute” in Sample 3 (Cronbach’s = .76) and with two items of Van der Doef and Maes (1999) such as “My job allows me to make a lot of decisions on my own” in Sample 4 (r = .43). Skill utilization was assessed with two items of Van Veldhoven and Meijman (1994) in Sample 3 (r = .50) and six items of Van der Doef and Maes (1999) in Sample 4 (Cronbach’s = .76). Sample items are “My job requires me to be creative” and “My job requires me to learn new skills”. Social support was measured with five items such as ”My colleagues help me to get things done” in Sample 3 from Rosenthal and colleagues (1996) and six items such as “I can ask my colleagues for help” in Sample 4 (Van Veldhoven and Meijman, 1994). Cronbach’s ’s were .84 and .90 in Sample 3 and 4 respectively. All job resources were scored on 5-point Likert scales ranging from 1 (strongly disagree) to 5 (strongly agree). Employees’ functioning was examined in Sample 3 and 4. Job satisfaction was measured with one face-valid item. Participants responded on a 7-point Likert scale ranging from 1 (totally unsatisfied) to 7 (totally satisfied) to the question “how satisfied are you, all in all, with your job?”. This one-item measurement has been shown to be highly related to multi-item assessments of job satisfaction (Wanous, Reichers, & Hudy, 1997). Vigor was measured with the five items of the Utrecht Work Engagement Scale (e.g., “At my work, I feel bursting with energy”; Schaufeli, Salanova, GonzalezRoma, & Bakker, 2002). Cronbach’s alpha was .91 and .90 in Sample 3 and 4, respectively. Exhaustion was assessed with the five items of the Dutch version of the Maslach Burnout Inventory General Survey. A sample item is “I feel totally exhausted on my job” (Schaufeli & van Dierendonck, 2000). Cronbach’s alpha was .91 in both samples. Both vigor and exhaustion were rated on a 7-point Likert scale from 0 (Never) to 6 (Always, every day). Life satisfaction was tapped with the item “How satisfied are you, all in all, with your life”. Responses were indicated on a 7-point Likert scale ranging from 1 (totally unsatisfied) to 7 (totally satisfied). In Sample 3, intrinsic motivation was assessed with five items such as “The work I do is a lot of fun”. These items were based on the academic and prosocial self-regulation scales of Ryan and Connell (1989) and were adapted to the present work context. Need satisfaction at work 9 Cronbach’s alpha was 95. Due to space limitations, only three items of this scale were included in Sample 4. Cronbach’s alpha was .94. Affective organizational commitment was measured with 5 items such as “I am quite proud to be able to tell people who it is I work for” on a 5-point scale ranging from 1 (totally disagree) to 5 (totally agree; Cook & Wall, 1980). Cronbach’s alpha equalled .83 and .89 in Sample 3 and 4, respectively. In Sample 3, participants were asked to rate their own performance on five items such as “How well did you did you achieve your objectives during the last week” (Abramis, 1994). Responses were made on a 5-point Likert scale ranging from 1 (very bad) to 5 (very good). Cronbach’s alpha was .90. In line with Abramis’ measure, in Sample 4, eight job specific items were developed in collaboration with the HR-manager to tap employees’ performance. Sample items are “To what extent did you follow the procedures” and “To what extent did you take care of the quality of your calls”. Cronbach’s alpha was .83. Turnover-rates were only available in Sample 4. Six months after participants had indicated their need satisfaction, the HR-management provided information whether they still employed each of the participants. By that time 31% of the participants (n = 80) had left the organization; 75% of them (n = 60) had initiated the contract termination themselves and were labeled as cases of self-initiated turnover. Phase 1: Item Development To develop an item pool, we first studied the literature and inspected general and domainspecific operationalizations of need satisfaction. Then, we selected and developed appropriate items taking the following criteria into account. First, items needed to reflect employees’ perceptions of need satisfaction rather than antecedent need-supportive conditions or potential consequences. Second, as we aimed to develop a scale that would be applicable to all work contexts, specific work setting terminology was avoided. Finally, both positive (i.e., need satisfaction) and negative (i.e., need frustration) items were included. Theoretically, this was done for the reasons mentioned above. From a methodological point of view, a formulation of both positive and negative items might reduce acquiescence bias or the tendency to agree with all items (Billiet & McClendon, 2000). All items were formulated as declarative statements following the stem “The following statements aim to tap into your personal experiences at work.” Responses had to be made on a 5-point Likert scale ranging between 1 (totally disagree) to 5 (totally agree). This response format was chosen because it is both simple which limits the amount of construct irrelevant variance (Harvey, Billings, & Nilan, 1985) and sufficiently refined to elicit variability in the responses (Reise, Waller, & Comrey, 2000). Through joint discussion, the authors reduced the initial large pool of items based on the theoretical soundness, equivalence, and redundancy of the items. The 44 remaining items (13 autonomy, 21 relatedness, and 10 competence) were examined by a panel of four academic judges who were all Need satisfaction at work 10 familiar with SDT's conceptualization of basic psychological needs. One of the judges was specially selected for his expertise in organizational psychology, two others for their experience in scale development and validation. Based on the judges’ comments on the items’ content and face validity, relevance and clarity, 24 items were retained, 1 relatedness and 1 competence item were reworded and 2 new items for relatedness were formulated. The final item pool included 26 items: 8 items for autonomy, 10 for relatedness and 8 for competence. Before administration, these items were randomly ordered. Phase 2: Item selection Prior to selecting the items through exploratory factor analysis and examining interitem correlations, we examined item completeness and the distributions of the item scores – as indicated by the mean, median, standard deviation, skewness, and kurtosis – in Sample 1. The number of missing values for all administered items was low, ranging from 0 to 2%, and were therefore deemed to be random (Cohen & Cohen, 1983). The means of all items ranged from 2.85 to 4.42. All standard deviations exceeded .50, being indicative of adequate variability (Stumpf, Colarelli, & Hartman, 1983). Skewness values showed that particularly the relatedness frustration items showed a tendency for low scores. In a next step, exploratory factor analysis was conducted. The data were considered suitable for factor analytic modeling as the Barlett's test of sphericity (χ 2 =2953.91, df = 325) was significant (p < .001), the Kaiser-Meyer-Olkin (KMO-) equaled .90 (Tabachnik & Fidell, 1989), and the ratio of usable responses versus items was 11:1 (Kline, 1994). To identify the factors underlying the administered items, we ran exploratory factor analysis (principal axis analysis). Oblique rotation (PROMAX) was used as the three different needs were expected to be related (Reise, et al., 2000). The scree-test indicated that three factors with eigenvalue 7.87, 2.72, and 1.79 could be extracted (Cattell, 1966), representing relatedness, autonomy and competence, respectively. These three factors explained 48.00% of the total variance. Three items (one reflecting autonomy and two reflecting competence) did not load on any factor and were therefore removed. All other items had a minimal factor loading of |.40| on their expected factor and no cross-loadings above .30 emerged. After this process 23 items remained: 7 items reflecting autonomy, 10 reflecting relatedness and 6 reflecting competence. The subscale lengths were further optimized using corrected item-total correlations. Within the autonomy scale, one item was removed because it displayed a corrected itemtotal correlation of .31 (Nunnally, 1978). Within the relatedness scale, items were deleted through a process of by stepwise removal of the items with the lowest corrected-item-total correlations, thereby keeping the balance of items reflecting satisfaction versus frustration. The final 18-item need satisfaction questionnaire contained three 6-item need satisfaction subscales. The scales of autonomy and relatedness each contained 3 satisfaction and 3 frustration items, the competence scale included 4 Need satisfaction at work 11 satisfaction and 2 frustration items. Phase 3: Factor Structure Next, we aimed to further examine the factor structure of the need satisfaction scale and test the discriminant validity of the different subscales. To this end, a Confirmatory Factor Analysis (CFA) was conducted, using maximum likelihood estimation (Bollen, 1989) in Lisrel 8.54 (Jöreskog & Sörbom, 2004). To rule out potential methodological explanations if the results of the CFA in Sample 2 would fail to confirm the earlier results obtained in the EFA in Sample 1, CFA was performed in both Sample 1 and 2 (Van Prooijen & van der Kloot, 2001). In each sample, the 3-dimensional model (Model A) was compared with three different 2dimensional models in which two needs were taken together and contrasted with the third need (Model B-D) and with the 1-factor model combining all three dimensions (Model E). Additionally, the 3-factor model was compared to a two factor model (Model F) differentiating between need satisfaction and need frustration items. In addition to these first order factor models, two higher order factor structures were examined. Specifically, in Model G, the three needs were modelled as higher order factors with each of them being represented by a first order need satisfaction and need frustration component. In Model H, the six lower order factors grouping satisfaction and frustration for each of the needs were modelled as indicators of two second order factors representing need frustration and need satisfaction, respectively (Model H). As suggested by Hu and Bentler (1999) model fit was evaluated using three goodness of fit indices: the Root Means Square Error of Approximation (RMSEA), the Comparative Fit Index (CFI) and the Standardized Root Means Square Residuals (SRMR). RMSEA below .05 in combination with SRMR values below .09 indicate excellent fit, whereas values below .08 and .10, respectively, indicate good fit (Byrne, 2001). CFI cut-off values of .95 indicate excellent fit, whereas values of .90 indicate good fit (Hu & Bentler, 1999). Satorra–Bentler Scaled Chi² (SBS-Chi²; Satorra & Bentler, 1994) difference tests were used to evaluate the differences in fit. As data screening using Prelis 2.71 (Jöreskog & Sörbom, 2004) revealed data non-normality at the univariate and the multivariate level, in all subsequent models, in addition to the covariance matrix, the asymptotic covariance matrix was used and the Satorra-Bentler Scales Chi-square (SBS-², Satorra & Bentler, 1994) instead of the common ² was inspected. ----- Please, insert Table 2 about here ----Results reveal that the 3-factor solution (Model A) fits the data well in both Sample 1 and 2 (Table 2). Moreover, significant differences in Chi²-value indicated that Model A yielded a superior fit compared to any other first-order factor model. All items had significant loadings (ranging from .50 to Need satisfaction at work 12 .81, p < .001, with an average loading of .67 in both samples) on their intended latent factor. Further, the second-order factor model representing the three separate needs was superior to the model representing satisfaction versus frustration. In sum, the results of the CFA support the 3-factor structure of the questionnaire and indicated the distinctiveness of the subscales for autonomy, relatedness and competence. CFA, furthermore, indicated that the 3-factor model also yielded good fit in Sample 3, SBS-² (132) = 234.91, p < .001; CFI = .93, RMSEA = .07; SRMR = .09, and Sample 4, SBS-² (132) = 232.42, p < .001; CFI = .92, RMSEA = .08; SRMR = .08, which provides further evidence for the scale’s internal structure. Phase 4: Intercorrelations, Reliability and Method Effects Across Samples 1 to 4, the intercorrelations between autonomy and competence ranged from .29 to .51, between autonomy and relatedness from .47 to .50, and between competence and relatedness from .16 to .35. Across four samples, the reliability of the autonomy, competence, and relatedness satisfaction scales ranged from .77 to .84, from .79 to .90, and from .76 to .84, respectively. Although the scales were reliable, method effects may contaminate the responses as the W-BNS relies on self-report. To examine this issue, we investigated whether impression management biases the work-related need satisfaction scale. Analyses were performed in Sample 3, thereby following the procedure for method effects with latent variable modelling as outlined by Williams and colleagues (Williams & Anderson, 1994; Williams, Gavin, & Williams, 1996). First, a baseline model was computed in which the relations between the latent variable for impression management and the needs for autonomy, competence and relatedness were constrained to zero; SBS-² (186) = 314.94, p < .001; RMSEA = .07; SRMR = .09, and CFI = .92. The baseline model represents a model in which impression management does not confound the answers on the W-BNS. Second, a confounded measurement model was inspected in which impression management was assumed to influence the responses on the W-BNS. In this model, paths were allowed between impression management and the indicators of the different needs, that is, the 18 need satisfaction items. The model fit of this confounded model was as follows: SBS-² (168) = 293.55, p < .001; RMSEA = .07; SRMR = .08, and CFI = .92. This confounded model did not yield improved fit compared to the baseline model, SBS-² (18) = 21.39, ns, which suggests that impression management did not significantly confound participants’ answers on the W-BNS. Phase 5: Criterion-related and Discriminant Validity The main aim of Phase 5 was to examine the criterion-related and predictive validity of the WBNS. Concerning predictive validity, first, we studied the associations between need satisfaction and job Need satisfaction at work 13 characteristics, as SDT maintains that need satisfaction may help to gain insight in the motivational impact of the environment. Specifically, as job resources are considered to yield a strong motivational impact (Bakker & Demerouti, 2007), we examined the associations between work-related need satisfaction and task autonomy, skill utilization and social support (Karasek, 1979). In line with previous studies in the realm of SDT (Gagné, Senécal, & Koestner, 1997; Richer, Blanchard, &Vallerand, 2002; Van den Broeck, et al., 2008), we expected positive associations between these job resources and need satisfaction. Specifically, the need for autonomy might be more closely related to task autonomy than the other needs, whereas the needs for competence and relatedness might relate most strongly to skill utilization and social support, respectively. Second, as SDT considers need satisfaction as a necessary condition for individuals’ optimal functioning, we examined the associations between the W-BNS and employees’ well-being, positive work-related attitudes and behavior. Concerning employees’ well-being, we assessed job satisfaction, work engagement, burnout, and life satisfaction. Job satisfaction and work engagement were selected as a hedonic and eudaimonic aspect of work-related well-being, respectively (Kahneman, Diener, & Schwarz., 1999; Ryan, Huta, & Deci, 2008). Need satisfaction is expected to be positively related to both. Burnout was included to assess the criterion validity of work-related need satisfaction with poor well-being, to which need satisfaction is expected to relate negatively. Life satisfaction was used as an indicator of general well-being. As life satisfaction may be influenced by various aspects others than work, the association with work-related need satisfaction might be less strong compared to the aspects of work-related well-being (Vallerand, 1997). Concerning work attitudes, first intrinsic motivation was selected, as needs are considered to be highly satisfied if individuals are intrinsically motivated (Deci & Ryan, 2000). Affective organizational commitment was included as a second work-related attitude, as this main aspect of organizational commitment is generally most predictive of, for instance, job satisfaction, positive affect and most influenced by organizational aspects such as leadership and job characteristics (Allen & Meyer, 1996). As SDT maintains that individuals feel naturally attracted to situations in which their needs can be satisfied, a positive association was expected between workrelated need satisfaction and affective organizational commitment. Finally, performance was selected as behavioral correlates of need satisfaction. Performance and work-related need satisfaction were expected to be positively correlated. Prior to assessing the criterion-related validity of the scale, it was considered important to examine the potential overlap between feelings of need satisfaction, environmental aspects and employees’ functioning. For this purpose, we relied on CFA. In addition to the criterion validity of the W-BNS, we examined its predictive validity in Sample 4 by relating need satisfaction to turnover six months later. As mentioned above, SDT maintains that individuals feel naturally attracted to situations in which their needs can be satisfied. In case of need frustration, individuals are therefore likely to leave the organization. In line with this view, feelings of Need satisfaction at work 14 competence and relatedness have previously been negatively related to turnover-intentions (Richer, et al., 2002). Results First, CFA indicated that models differentiating the three needs and each of the criterion-related variables yielded good fit to the data. Furthermore, they provided better fit compared to alternative 3factor models in which the criterion-related variables were modelled as a latent factor together with one of the needs. The results of these analyses are available upon request from the first author. These results suggest that the needs for autonomy, competence and relatedness are distinguishable from the criterionrelated variables. As shown in Table 3, in general, the three needs displayed the expected correlations with each of the criterion-related variables in both samples. In line with the hypothesis, task autonomy was stronger related to the need for autonomy than to the need for competence (ZSample 3= 2.55, p < .01; ZSample 4 = 3.95, p < .001) or relatedness (ZSample 3= 5.61, p < .001; ZSample 4 = 2.63, p < .01), and social support was stronger related to the need for relatedness than to the needs for autonomy (ZSample 3= 3.55; ZSample 4 = 3.82, p’s < .001) or competence (ZSample 3= 5.44; ZSample 4 = 4.21, p’s < .01). Unexpectedly, opportunities for skill utilization did not relate more strongly to the need for competence than to the needs for autonomy and relatedness. On the contrary, opportunities for skill utilization were even unrelated to competence satisfaction in both samples, but correlated positively with the needs for relatedness in both samples and with autonomy in Sample 4. ----- Please, insert Table 3 about here ----In line with expectations, the needs of autonomy, competence, and relatedness were positively associated with both job satisfaction and vigor. They related negatively to exhaustion and positively to life satisfaction. Autonomy and competence satisfaction, but – unexpectedly – not relatedness satisfaction, related less strongly to life satisfaction than to the aspects of work-related well-being. In line with the hypotheses, work-related need satisfaction related positively to intrinsic motivation, affective organizational commitment, and performance. To asses the predictive validity of need satisfaction, independent samples t-tests were performed in Sample 4 examining differences between employees who turned over and those who did not in terms of need satisfaction. As expected, employees leaving the company reported lower autonomy satisfaction (M = 3.40) and relatedness satisfaction (M = 3.54) compared to employees who stayed M = 3.26 and M = 3.71, respectively); t (230) = 4.24 and t (230) = 2.03; p’s < .001, which supports the predictive validity of the scale. No differences were, however, found between non-leavers (M = 3.88) and leavers (M = 3.79) for competence satisfaction; t (230) = 1.09; ns. Need satisfaction at work 15 General Discussion In SDT, satisfaction of the basic needs for autonomy, competence, and relatedness is considered as a crucial condition for individuals’ thriving (Deci & Ryan, 2000). Several studies, across different life domains, have provided evidence for this claim (e.g., Deci & Ryan, 2008). Research in the field of organizational psychology, however, might be hampered by the lack of a valid and reliable domainspecific need satisfaction measure. Therefore, the purpose of the present study was to develop and validate such a measure. Results across four samples, totaling 1025 employees, provided support for the psychometric properties of the work-related basic need satisfaction scale. Across the four samples, the scale demonstrated a clean and acceptable factor structure. Consistent with SDT’s conceptualization of three distinct basic psychological needs, the needs for autonomy, competence, and relatedness were found to be related yet distinct, supporting their discriminant validity. Furthermore, the satisfaction and frustration items needed to be conceptualized as simultaneous indicators of the higher order need constructs, suggesting that satisfaction and frustration may be conceived of as opposite poles of the same continuum tapping the needs for autonomy, competence and relatedness. Each of the three subscales proved to have good reliability. In general, the three needs were shown to be related to environmental aspects and employees’ functioning in a predictable fashion, providing evidence for the criterion-related validity of the scale. Concerning environmental aspects, in line with previous research (e.g., Van den Broeck, et al., 2008), work-related need satisfaction related positively to job resources. Specifically, as expected, task autonomy was most closely related to autonomy satisfaction and social support related strongest to relatedness satisfaction. Unexpectedly, opportunities for skill utilization were more strongly related to relatedness and autonomy than to competence satisfaction. Perhaps the opportunity to be creative and execute a highly skilled job provides employees with the chance to realize their interests and potentials, thus contributing to a sense of autonomy, and also stimulates cooperation and close contact. In contrast, being offered the chance to learn new skills might challenge one’s competencies but not necessarily contribute to competence satisfaction. Notably, the correlations between opportunities for skill utilization and need satisfaction differed across Sample 3 and 4, pointing out the necessity to further examine whether different measures of skill utilization or particular demographical variables might influence the results. Consistent with the assumption that need satisfaction relates to both hedonic and eudaimonic well-being (Ryan & Deci, 2001), the three needs related positively to job satisfaction as well as to vigor. Further, the needs related negatively to exhaustion, supporting the notion that the absence of need satisfaction can account for poor wellbeing. Interestingly, the positive associations between need Need satisfaction at work 16 satisfaction and well-being were not limited to job-related outcomes, but also emerged for the more general and domain-encompassing outcome of life satisfaction. Still, in line with our expectations, autonomy and competence satisfaction related somewhat less strongly to life satisfaction than to the aspects of work-related well-being. The latter set of findings supports the divergent validity of the measure and highlights the importance of domain-specific measurements. Relatedness satisfaction showed a relatively strong correlation with life satisfaction, suggesting that meaningful relationships at work might be particularly important in fostering general well-being. Finally, results confirmed the hypothesized positive associations between need satisfaction and intrinsic motivation, affective commitment, and performance. In sum, these results confirm that need satisfaction relates to employees’ optimal functioning, in terms of well-being, attitudes as well as behavior. Finally, the observed positive contribution of need satisfaction to positive outcomes was not limited to concurrent associations with self-report measures, but also emerged using an objective indicator of prospective turnover. Specifically, both autonomy and relatedness satisfaction were negatively predictive of employees’ turnover, which was assessed six months after the assessment of need satisfaction. These findings are consistent with research in other life domains, showing that autonomous functioning is associated with less school drop-out (e.g., Vallerand, Fortier, & Guay, 1997). These findings support the predictive validity of the scale and confirm once more that need satisfaction might be a useful concept in the context of organizational psychology. In sum, the present results support the psychometric properties of the work-related need satisfaction scale. We hope this measure may assist researchers who seek to study employees’ need satisfaction. The use of a validated need satisfaction measure rather than the reliance on ad hoc need satisfaction measures may allow for more consistent cross-study comparisons and may contribute to a more unified development of this field. We believe that the concept of need satisfaction deserves further attention as need satisfaction may be a powerful tool to examine the motivational impact of organizational environments and the motivational process underlying employees’ well-being. Notably, researchers may want to use the three needs separately or focus on one of them, depending on their research questions. It was not purpose of the current study to examine unique associations between each of the needs and external variables. This might, however, be an important avenue for future research as the lack of an association between the need for competence and turnover in the current study hints at such potential unique associations of each of the needs. On the practical level, these results indicate that work-related need satisfaction versus frustration may have implications for individuals’ functioning, both on the job and in general. Employees might therefore assess and monitor the need supportiveness of their jobs and seek for environments which nourish their motivational energy and stimulate optimal functioning. Need satisfaction might be a point of interest for organizations as well. It might be a useful concept to assess and improve the motivational Need satisfaction at work 17 impact of organizational aspects such as job design. Paying attention to employees’ need satisfaction might furthermore enhance employees’ well-being, attitudes, and behavior and, therefore, help to reduce costs associated with stress or turnover, and increase productivity. Limitations and Suggestions for Further Research Some limitations of this research need to be acknowledged. First, the current measurement relies on employees’ self-reports to assess the internal process of need satisfaction. Although the present findings indicate that impression management did not significantly bias the results, future studies might examine whether other methodological artifacts or personality factors such as positive or negative affect may influence responses to the W-BNS (Podsakoff, MacKenzie, Lee, & Podsakoff, 2003). Second, the present findings support the criterion-related validity of the work-related need satisfaction by means of cross-sectional associations (Hinkin, 1998). A first insight in potential causal effects of need satisfaction was gained by examining the prospective association between need satisfaction and turnover six months later. Future studies may, however, further examine the antecedents and consequences of work-related need satisfaction by means of longitudinal, cross-lagged or (field-) experimental studies. Such studies might, however, take into account that need satisfaction is a fast changing phenomenon which fluctuates with altering situations. Differences in need satisfaction will in turn result in immediate variations in individuals’ functioning (Reis, et al., 2000). Third, the present study included heterogeneous as well as quite diverse organization-specific samples. Future research in different sectors and countries may, however, further add to the generalizability of the findings. Future studies may also elaborate upon the present study by examining organizational variables such as leadership and remuneration systems (Gagné & Forest, 2008) as potential antecedents of need satisfaction or explore the relations between need satisfaction and other aspects of employees’ functioning, such as counterproductive behaviors. We hope that the availability of a balanced, valid, and reliable measurement of need satisfaction at work might stimulate work and organizational psychologists to examine these issues and to study the role of need satisfaction in the context of work in general. 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Need satisfaction at work 24 Need satisfaction at work 25 Table 1 Demographic Characteristics of the Participants in the Four Samples Sample 1 Sample 2 Sample 3 Sample 4 297 297 170 261 Male 51% 48% 33% 46% Female 49% 52% 67% 54% Range 21 – 63 years 20 – 57 years 22 – 60 years 18-58 years Mean 38.62 years 38.48 years 36.70 years 28.23 years SD 11.25 years 10.95 years 8.17 years 9.00 years Primary or Secondary education 39% 37% 29% 41% Bachelor’s degree 44% 47% 56% 54% Masters’ degree 17% 16% 15% 5% Blue collar worker 17% 15% 0% 0% Administrative personnel 40% 43% 41% 100% Professionals 20% 22% 35% 0% Managers 5% 2% 24% 0% Full-time 77% 81% 73% 71% Part-time 23% 19% 27% 28% 93% 92% 94% 13% 7% 8% 6% 86% Range 1 month – 37 years 1 months – 36 years 1 month – 39 years 1 week – 7 years Mean 9.50 years 9.88 years 9.78 years 1.24 years SD 9.96 years 9.76 years 10.55 years 1.72 years N Gender Age Education Professional level Hours worked Contract Fixed Temporary Tenure Need satisfaction at work 26 Table 2 Fit indices for the Various Measurement Models of Need Satisfaction in Sample 1 and 2 Sample Sample 1 Sample 2 Models SBS-² df p RMSEA CFI Model df Compar SRMR ison SBS-² p-value - ² SBS² Model A Autonomy vs. Relatedness vs. Competence 211.46 132 .000 .04 .97 .06 Model B Autonomy-Relatedness vs. Competence 499.96 134 .000 .09 .92 .08 A 288.50 2 .000 Model C Autonomy-Competence vs. Relatedness 583.46 134 .000 .10 .91 .07 A 372.00 2 .000 Model D Autonomy vs. Relatedness-Competence 825.47 134 .000 .12 .88 .10 A 614.01 2 .000 Model E Autonomy-Relatedness-Competence 919.89 135 .000 .13 .84 .11 A 708.43 3 .000 Model F Need Satisfaction vs. Need Frustration 920.83 134 .000 .13 .85 .11 A 709.37 2 .000 Model G 2nd order factors of the Three Needs 156.28 126 .030 .03 .98 .05 Model H 2nd order factors of Satisfaction vs. Frustration 261.42 128 .000 .06 .95 .08 G 105.14 2 .000 Model A Autonomy vs. Relatedness vs. Competence 230.02 132 .050 .05 .97 .05 Model B Autonomy-Relatedness vs. Competence 485.71 134 .000 .09 .83 .08 A 255.69 2 .000 Model C Autonomy-Competence vs. Relatedness 577.36 134 .000 .10 .92 .08 A 347.34 2 .000 Model D Autonomy vs. Relatedness-Competence 759.39 134 .000 .12 .89 .10 A 529.37 2 .000 Model E Autonomy-Relatedness-Competence 893.16 135 .000 .13 .86 .10 A 663.14 3 .000 Model F Need Satisfaction vs. Need Frustration 902.05 134 .000 .13 .87 .10 A 672.03 2 .000 Model G 2nd order factors of the Three Needs 194.06 126 .000 .04 .97 .05 Model H 2nd order factors of Satisfaction vs. Frustration 294.27 128 .000 .06 .94 .08 G 100.21 2 .000 Need satisfaction at work 27 Table 3 Zero-order Correlations between Need Satisfaction, Job Resources and Employees’ Functioning in Sample 3 and Sample 4 Need for Autonomy Sample Sample 3 4 Need for Competence Sample Sample 3 4 Need for Relatedness Sample Sample 3 4 Job Resources 1. Task Autonomy .45** .47** .23** .22** .02 .33** 2. Skill Utilization .10 .55** .13 .10 .23** .38** 3. Social Support .34** .39** .10 .33** .58** .58** 4. Job Satisfaction .66** .54** .18* .15* .41** .40** 5. Vigor .54** .49** .41** .31** .38** .40** 6. Exhaustion -.52** -.28** -.27** -.26** -.32** -.23** 7. Life Satisfaction .30** .22** .24** .16** .41** .32** 8. Intrinsic Motivation .64** .62** .21* .22** .37** .38** 9. Organisational Commitment .51** .58** .18* .18** .36** .42** 10. Performance .31** .21** .44** .35** .19* .18** Outcomes Note * p <.05; ** p< .0 Need satisfaction at work 28 Appendix You are welcomed to use the W-BNS provided that you agree to the following two conditions: 1. The use is for non-commercial educational or research purposes only. 2. You agree to share the data you obtain with these items and some background-variables (age, gender, occupation, …) with the authors to be used for further validation. Need Satisfaction at work Scale Werkbeleving De volgende uitspraken gaan over hoe u uw werk beleeft. Wilt u aangeven in welke mate u akkoord gaat met deze stellingen door steeds het best passende cijfer van 1 tot 5 te omcirkelen? 1 2 3 4 5 Helemaal niet akkoord Niet akkoord Beetje niet akkoord/ beetje akkoord Akkoord Helemaal akkoord Your experiences at work The following statements aim to tap your personal experiences at work. Would you please indicate in which degree you agree with these statements? You can indicate the most suitable number between 1 (totally disagree) and 5 (totally agree). 1 2 3 4 5 Totally disagree Disagree Somewhat disagree / somewhat agree Agree Totally agree Votre expériences au travail Les phrases ci-dessous parlent de vos expériences au travail. Prière d’indiquer dans quelle mesure vous êtes d'accord avec ces phrases en indiquant le numéro correspondant à votre opinion (indiquez s.v.p. un numéro entre 1 et 5)? 1 2 3 4 5 Totallement en désaccord En disaccord Plus ou moins d'accord D'accord Relatedness Satisfaction b4* Ik voel niet echt een band met de andere mensen op mijn werk Je ne me sens pas vraiment lié(e) aux autres personnes au travail. I don’t really feel connected with other people at my job b6 Ik voel me een deel van een groep op het werk J’ai le sentiment de faire partie du groupe au travail. At work, I feel part of a group b7* Ik ga niet echt met de andere mensen op mijn werk om Totalement d'accord Need satisfaction at work 29 Je n’ai pas vraiment de contact avec les autres à mon travail I don’t really mix with other people at my job b9 Ik kan met anderen op het werk praten over wat ik echt belangrijk vind Je puis parler avec d’autres au travail de ce que je trouve vraiment important At work, I can talk with people about things that really matter to me b10* Ik voel me vaak alleen als we onder collega’s zijn Je me sens souvent seul(e) lorsque nous sommes entre collègues I often feel alone when I am with my colleagues b13 De mensen op mijn werk zijn echte vrienden Quelques personnes à mon travail sont de vrais amis Some people I work with are close friends of mine Competence Satisfaction c1* Ik voel me niet echt competent in mijn job. Je ne me sens pas vraiment compétent(e) dans mon travail I don’t really feel competent in my job. c2 Ik heb de taken op mijn werk goed onder de knie Je comprends bien les tâches à accomplir dans mon travail I really master my tasks at my job c3 Ik voel me bekwaam in mijn werk Je me sens capable dans mon travail. I feel competent at my job c4* Ik twijfel eraan of ik mijn werk goed kan uitvoeren Je doute de pouvoir bien exécuter mon travail. I doubt whether I am able to execute my job properly c5 Ik ben goed in mijn job Je suis bon(ne) dans mon travail. I am good at the things I do in my job c8 Ik heb het gevoel dat ik ook de moeilijke taken op mijn werk tot een goed einde kan brengen J’ai l’impression de pouvoir mener aussi les tâches difficiles à bonne fin dans mon travail I have the feeling that I can even accomplish the most difficult tasks at work Autonomy Satisfaction a3 Ik heb het gevoel dat ik mezelf kan zijn in mijn job J’ai l’impression de pouvoir être moi-même au travail I feel like I can be myself at my job a5* Op mijn werk heb ik vaak het gevoel dat ik moet doen wat anderen mij bevelen. Au travail j’ai souvent l’impression de devoir faire ce que d’autres me commandent de faire At work, I often feel like I have to follow other people’s commands a8* Als ik mocht kiezen, dan zou ik mijn werk anders aanpakken Si j’en avais le choix, j’entreprendrais mon travail différemment If I could choose, I would do things at work differently a9 Mijn taken op het werk stemmen overeen met wat ik echt wil doen Mes tâches au travail correspondent à ce que je veux faire vraiment. Need satisfaction at work 30 The tasks I have to do at work are in line with what I really want to do a11 Ik voel me vrij mijn werk te doen zoals ik denk dat het goed is Je me sens libre d’exécuter mon travail comme je crois qu’il est bon de le faire I feel free to do my job the way I think it could best be done a12* Op mijn werk, voel ik me gedwongen dingen te doen die ik niet wil doen Au travail, je me sens forcé(e) de faire des choses que je ne veux pas faire. In my job, I feel forced to do things I do not want to do