SURVEYS AND QUESTIONNAIRES See Robson Chapter 8 Typical Survey Features Use of a fixed quantitative design Collection of a small amount of data in a standard form from a large number Selection of representative samples from known populations Generally closed-ended Not hard and fast rules Survey Types In-Person Questionnaire Self-Administered Postal (mail) Questionnaire Telephone Survey Not restricted to the use of questionnaires E.g. traffic survey – observational Advantages of Surveys All Survey Types: Simple and straightforward approach Adaptable to collect generalizeable information from almost any population Data standardization Interview Surveys: Interviewer can clarify questions Presence of interviewer encourages participation Advantages Cont. Self-Administered/Mail: Way of retrieving information about history of a large group Efficient – Large data sets, low cost, short timeframe Note: May be disadvantage if researcher is seduced into using a survey when it is not most appropriate to research question Allows anonymity/encourages frankness Allows large geographical distribution Disadvantages of Surveys All Survey Types: Context, discourse, and meaning Lack of relation between attitude and behavior Social desirability response bias Data affected by characteristics of respondents Self-Administered/Mail: Low response rate – still representative? Misunderstandings not detected No control Respondents may not take seriously Disadvantages Cont. Interview Surveys: Data affected by interviewers/interview bias Affected by interactions of interviewer/respondent characteristics Concerns of anonymity – respondent less open Developing Survey Questions Pilot work – semi-structured interviews, focus groups, other data collection Previous studies Theoretical frameworks Activities in a Sample Survey 1. 2. 3. 4. 5. 6. Initial design and planning Designing the questionnaire Pre-Testing Final design and planning Data collection Analysis and reporting 1. Initial Design and Planning Most straightforward task for survey are ‘how many,’ ‘how much,’ ‘who,’ ‘where,’ and ‘when’ Gauge public opinion Test theories Theoretical framework important when trying to move beyond description to explanation Unit of analysis Population Sampling frame 2. Designing the Questionnaire Provides a valid measure of the research questions Gets the cooperation of respondents Elicits accurate information Be clear Fixed-alternate responses should be accurate, exhaustive, mutually exclusive, and on a single dimension Keep response rate in mind for mail surveys Standardize in-person surveys 3. Pre-Testing First stage: Informal – Colleagues, friends, family Ask if questions are clear, simple, and unambiguous Second stage: Respondents from the groups of interest Give thoughts on the question Third Stage Formal Pre-test Pilot version 4. Final Design and Planning Edit questionnaire Spelling Layout Finalize coding and analysis procedures 5. Data Collection Follow your plan! Keep clear notes/records Address issues as they arise 6. Analysis Generally straightforward with closed questions Codes can be arbitrary (but consistent) or can be the actual number Have a code for non-response Open questions – Simplify many responses by classifying into smaller number of groups Coding categories chosen from sample of all respondents Coding effectively changes open questions to defined set of responses Survey Sampling Selection from the ‘population’ Sample size Would a smaller set of longer more detailed surveys be preferable to more? Probability/representative samples Non-Probability samples INTERVIEWS See Robson Chapter 9 Interview Features Generally one-on-one and face-to-face Can be in group settings or by phone Can be primary/only approach or in combination with other methods Open-ended questions are the norm Types of Interviews Structured Extreme example is the survey Semi-Structured Unstructured Allows more flexibility of response Extreme is the ‘depth interview’ Respondent interviews/informant interviews Advantages of Interviews Flexible and adaptable Asking people directly is a short-cut in seeking answers (versus observation) Offers possibility of follow-up Non-verbal cues Rich and highly illuminating material Disadvantages of Interviews Requires considerable skill/experience Lack of standardization/reliability concerns/bias Time consuming and requires lots of preparation Can be limiting geographically Interview Process Listen more than you speak Questions should be straightforward, clear, nonthreatening Avoid leading Enjoy it! Take a full record General format: Intro, Warm-up, Main Body, CoolOff, Closure Interview Content Content consists of: A set of items/questions Closed Open Scale Probes and prompts Proposed sequence of questions Other Interview Types Informant interviews Non-directive interview: Totally in control of interviewee Focused interview: Situational analysis Interview guide Group Interviews Most common are a hybrid of discussion and interview Allows group interaction Focus Groups Focus Group Advantages Highly efficient Checks and balances Focus on most important topics Enjoyable Inexpensive, flexible, quick to set up Stimulated by thoughts of others Contributions encouraged Those with limited reading/writing skills not excluded Less inhibited members serve to break the ice Focus Group Disadvantages Limited number of questions Facilitating requires considerable expertise Needs to be well managed Conflicts may arise Lack of confidentiality May not be generalizeable Live and immediate Participants may try to impress one another Difficult to follow-up on views of individuals Focus Groups Homogeneous Groups: Facilitates communication Promotes exchange of ideas and experiences Gives a sense of safety May result in ‘groupthink’ Heterogeneous Groups: Can stimulate and enrich discussion May inspire new ideas Risk of power imbalances Can lead to lack of respect for opinions Can lead to dominant participant destroying group process Analysis of Interview Data Taping and Transcribing Allows concentration on the interview Alternative to complete transcription is to be selective Too late to think about analysis when interviews are complete