International Journal of Consumer Studies ISSN 1470-6423 Social influence and sustainability in households 1 Elizabeth B. Goldsmith and Ronald E. Goldsmith ijcs_965 117..121 2 1 Department of Retail Merchandising and Product Development, College of Human Sciences, Florida State University, Tallahassee, Florida, US Department of Marketing, College of Business, Florida State University, Tallahassee, Florida, US 2 Keywords Households, opinion leadership, social influence, sustainability. Correspondence Elizabeth B. Goldsmith, Department of Retail Merchandising and Product Development, College of Human Sciences, Florida State University, Tallahassee, FL 32311, US. E-mail: egoldsmith@fsu.edu doi: 10.1111/j.1470-6431.2010.00965.x Abstract The purpose of this article is to discuss the role of social influence regarding sustainability in households. Several research studies show that individual and family recycling and e-consumption behaviours are more affected by people that the individual/family know than by outside influences such as government or advertising campaigns. Social influence theory, although prevalent in such diverse fields as communication, marketing, sociology including medical and rural sociology, management information science and education, has not been used as extensively in human sciences, home economics and human ecology, specifically in applications to household green behaviour. The origins of social influence are found in the ground-breaking work in opinion leadership by Lazarsfeld in sociology and in E.M. Rogers’s diffusion of innovation theory. The present article makes a case for using social influence theory as a framework for future studies and academic work in environmentalism, and for those trying to increase or promote pro-environmental behaviour at the individual, family or household level. Introduction Sustainability is a topic of great importance to a variety of academic disciplines as well as a practical concern for policy makers around the world. In academia, the subject has been researched and discussed theoretically using a number of approaches. Governments strive to encourage energy conservation, product reuse and recycling, as well as other behaviours that protect and improve the environment (Geppert and Stamminger, 2010). Often, those interested in teaching and researching, or serving through the extension service or other government units on the subject of environmentalism and green behaviour come from a variety of fields such as engineering, geography, urban planning, sociology, family studies and ecology. With such diverse backgrounds, the question arises: What do these have in common? Usually, what they share is a like-minded interest in improving the planet for future generations and in sustainability with the realization that household behaviour has a tremendous impact on the environment. There are many definitions of sustainability. The most widely recognized is the Brundtland Report (1987) definition, which states that sustainability is about ‘meeting the needs of the present without compromising the ability of future generations to meet their own needs.’ The Brundtland Report and Our Common Future are the genesis of sustainability as a coherent set of principles and the bedrock of several disciplines. Those who research and teach about green consumption behaviour will most likely cite this report including the concepts of inter-generational justice and the three legs of sustainability: social, economic and environmental. The present study adds to the knowledge base on the social aspects. International Journal of Consumer Studies 35 (2011) 117–121 © 2011 Blackwell Publishing Ltd A more detailed definition of sustainability relevant to family resource management and household technology and practices is as follows: Sustainability is about conscious design and the consideration of the impacts consumption choices make on the environment given finite resources. It involves ethics, ecology, and estimations of system life expectancies. The ultimate goal is sustainable development – a form of growth wherein societal needs, present and future, are met. Sustainable development requires the input and cooperation of all segments of society, producers as well as consumers. Towards this end, more careful decisions at every level are being made about the products and services brought into and used in the home (Goldsmith, 2010, p. 330). In this definition, ecology is not just about marine life or preserving the rainforests, but about everyday practices multiplied across the 6.4 billion people in the world that impact the air, water and earth. According to Berkholz et al. (2010, p. 235), ‘the rising demand for natural and non-renewable resources is not only limited to agriculture and industry. A significant proportion of water and energy consumption occurs in the domestic sector’. Individual and family behaviour is heavily influenced by socialization in the home and neighbourhood, learned by observation (such as recycling). According to Hawkins et al. (2001), ‘. . . acquiring consumptionrelated knowledge is a life-long process’. Those of us who are household experts are called upon to provide informed leadership in the renewed thrust towards instituting more environmentally friendly practices in the home and to do this in an informed and structured way. One important role of 117 Social influence and sustainability in households household experts is to study sustainable behaviour and assemble empirical findings that can form the basis for effective policy (Schmidberger and Stamminger, 2010). Several tools are suggested as guides these efforts. For example, Schmidberger and Stamminger (2010) describe the use of interactive software to facilitate student learning in the field of household technology. Survey research is used to gauge consumer attitudes and behaviour (Abeliotis et al., 2010). Experimental methods are used to understand how individuals perform household tasks in order to provide recommendations for improving sustainable behaviour (Berkholz et al., 2010). It is proposed that social influence theory can provide a basis for understanding consumption and developing policies to encourage sustainable consumption. Prevalent in many social sciences, social influence theory is an effective way to understand the spread of sustainable practices among families and households, as well as ways to positively encourage this spread. Overview of household green consumption behaviour Many of our household practices have a long and honoured history passed down through the generations. One, of course, cannot in a few paragraphs describe all that has gone on in families and households over the centuries, but here are some introductory comments that set the stage for the social influence discussion to come. We know from pre-history (before writing) through surviving cave dwellings and wall carvings that there were divisions of labour regarding who should do what in the home arena such as tending fields, cooking and child care. Bringing this fast forward, the Greeks and Romans lectured on these subjects, which they considered philosophical as well as practical. Books survive from Europe in the Middle Ages outlining the running of estates and who should do what in households. Wealth was tied up in who owned the most land, and to retain wealth, the land including the manor houses had to be well maintained. As literacy spread, household advice books and cookbooks proliferated for not only the wealthy but also the masses as well. They are still popular in print and other media forms, showing the enduring nature of the topics. Everyone has to decide where to live and what to eat, and a great deal of time and effort is devoted to these activities. In the nineteenth century, courses in home economics or domestic science were taught in the US and other countries, becoming formalized as a field of study called home economics at the Lake Placid Conferences in New York State from 1899 to 1908. The main founder, Ellen S. Richards, was a chemist, an author, an environmental scientist and the first woman professor at the Massachusetts Institute of Technology (Richards, 1911). Therefore, environmentalism, as it related to households, was the primary subject from the very beginning. In time, household studies became known as ‘family resource management’, a subtopic included within household equipment studies led by Rebecca Lovingood at Virginia Polytechnic Institute and State University, one of the editors of this special issue. Other applications included universities with home management houses and laboratories, and academic leaders such as Irma Gross, Bea Paolucci, Ruth Deacon and Francille Firebaugh to name only a few (Goldsmith, 2010). These are Americans, but it would be neglectful not to mention the past and ongoing leaders, educators 118 E.B. Goldsmith and R.E. Goldsmith and contributors in Canada, the Caribbean, Australia, Europe, Asia, South America and Africa. Besides government and university researchers, appliance and detergent manufacturers have been measuring household behaviours and attitudes towards being greener. They conduct research studies at company headquarters and also in conjunction with university laboratories. Field experiments in which researchers interview consumers in their homes or have householders keep a diary are also typical research methods. A comprehensive list of all sustainable or green household studies is not the goal of this article; instead, a sampling follows. Berkholz et al. (2010) conducted a study of washing up behaviours of UK consumers wherein 150 participants washed a full load of soiled tableware based on the standard EN 50242 ‘Electric Dishwashers for Household Use – Methods for Measuring Performance’ and also hand washed tableware. The researchers reported that more energy and water was used in hand washing tableware than in using machines (automatic dishwashers). Further, they found that the machinewashed tableware was cleaner than the hand-washed tableware. Hand washing also took approximately 60 min vs. 9 min total to load and unload the same amount of tableware in a dishwasher. John McCullough’s (2009) work on factors affecting household repair services and the throwaway society focused on the end part of consumption or ‘e-waste’. In July 2010, researchers presented a number of papers on household green consumption behaviour in the Programme Committee on Household Technology and Sustainability Research Sessions held during the International Federation of Home Economics Council Meeting in Sligo, Ireland. The theme of the Council was ‘Vision 2020: Home Economics, Changing Perspectives in a Changing Environment’, focusing on three areas of contemporary concern: sustainability, globalization and interculturalism. The goal of the papers was to share information and build on interactions, discussions and collaborations, which will lead to improvement in the quality of everyday life for individuals, families and households. Topics discussed included best practices and patterns in cooking, laundry washing, dishwashing, and water and energy use from Thailand, the US, Europe and South Africa. The meeting is mentioned here to show the global stretch of this topic. Worldwide, researchers are measuring and analysing patterns of behaviour and household impacts on the greater environment. A question raised was how to get households more involved in sustainability efforts, and if rebates and reduced utility bills do not work, what does? One answer to this dilemma is proposed in this paper, namely, social influence, the effect of the behaviour of others and exchange of information formally and informally. The synergy provided by the 2010 Sligo Council Meeting and the International Journal of Consumer Studies (IJCS) is an important part of the ongoing global exchange between fields dedicated to understanding consumer behaviour better. The stated aim and scope of the IJCS is to provide an international forum for academic and research papers with a focus on how consumer can enhance their security and well-being. Influencing behaviour: four strategies Academics as well policy makers seek to improve consumer wellbeing in a variety of ways. These efforts rely on one of four basic strategies. International Journal of Consumer Studies 35 (2011) 117–121 © 2011 Blackwell Publishing Ltd E.B. Goldsmith and R.E. Goldsmith The first is a ‘punishment’-oriented approach that seeks to put into place some negative consequence of a behaviour that it wants to discourage so that people will turn to a different, presumably more positive behaviour. Legal sanctions and rules prohibiting household behaviour that is not green are examples of this strategy. Another example would be when utilities charge users more for a utility such as water if they use more than a set amount. Certainly, some users are dissuaded by these consequences and alter their behaviour to adopt the greener alternative. This strategy can be thought of as a ‘legal or regulatory’ model. A second strategy involves ‘rewarding’ or giving an incentive to individuals for adopting behaviour. This can be thought of as an ‘economics’ model. Selling utilities at differential prices (discounts) to encourage conservation is common. Another example of incenting people to adopt green consumer behaviour can be found in the field of cultural studies, which posit that for messages or involvement such as in the health services, to be effective, a change in culture is required (Thomas et al., 2010). In order to stay involved, people have to find some reason such as enjoyment or a sense of mutual caring perhaps through the ability to tell their story, participating in panels or groups, or receiving a newsletter. These incentives promote the desired green activity. Policy agencies could implement other similar strategies to encourage sustainable practices. The third strategy is best termed ‘persuasion’. This topic has a long history in social science research (Hovland et al., 1953. The basic premise is that people will respond to information designed to change their minds, and the desired behavioural change will follow. The effectiveness of the strategy, however, varies according to a variety of factors including the sources of the information, the channel through which it is transmitted, characteristics of the receiver of the information and the nature of the persuasive message itself. A recent development of this approach lies in structuring the choice context so that people can make optimal choices to benefit either themselves or society at large (Thaler and Sunstein, 2009). Thus, they can be persuaded to make a behavioural choice if the information they are given and the choice situation they face can be structured in favour of the best outcome. Behaviour change strategies even combine aspects of all three of these approaches in an effort to maximize effectiveness. Even then, however, what remains overlooked is perhaps the most important influence researchers can identify, the influence of other people. Social influence is a very powerful shaper of human behaviour. It can affect almost all types of behaviour, and its effects are often unnoticed or unconscious. It enlists the punishment, reward and informational effects, but makes other people their sources. We propose that social influence, and in particular social communication, can be harnessed as a fourth strategy to promote the spread of sustainable consumption by families and households. Social influence In the words of Elliot Aronson (1972/2008), we are The Social Animal. Much of our behaviour is predicated on the attitudes and behaviours of others. Although thinkers and writers have meditated on the importance of other people for a very long time (‘It is not good that man should be alone’, Genesis 2:18), social psychology as a formal science has been around only for about a century. International Journal of Consumer Studies 35 (2011) 117–121 © 2011 Blackwell Publishing Ltd Social influence and sustainability in households Many early psychologists identified other people as a prime influence on the thoughts and behaviours of individuals. Sherif (1936) proposed the concept of social norms or expected modes of behaviour established by groups. The concept of informational influence was later added (e.g. Deutsch and Gerard, 1955) to expand the scope of social influence theory. Asch (1956) demonstrated how powerful the desire to conform could be. Milgram (1974) demonstrated the frightening extent to which people might bow to authority. Many of these studies emphasized compliance and conformity (see Cialdini and Goldstein, 2004), but social influence theory has many branches, one of which emphasizes the role of social communication in influencing others. Social communication Humans exert social influence in a variety of ways. We are concerned with what others think of us; our behaviour often depends on our social reputations so that the possible disapproval of others has a powerful influence on what we do. People observe others’ behaviour and imitate them. In addition, people deliberately instruct each other in what to believe and how to behave through formal teaching mechanisms and individually within social groups such as dyads, families, clans and friend groups. Moreover, people influence each other informally through conversation. The latter can be termed ‘social communication’ and goes by several terms such as ‘opinion leadership’, ‘word-of-mouth’ or ‘buzz’ (Goldsmith, 2006). When people internalize socially communicated information, it becomes the basis and motive for future thoughts, feelings and actions. Although it takes many forms, social communication can be non-scripted, informal and spontaneous, and can use but does not require media to take place. Social communication theory emerged as a prominent area of social influence study in the work of Paul Lazarsfeld and his colleagues (Lazarsfeld et al., 1944). Their focus was on the way in which informal communication among people complemented the influence of the mass media on voting behaviour. They discovered that interpersonal communication was widespread and even more important than mass media in shaping voting intentions. Moreover, they found that certain people were more central and influential than others were in their groups. They termed these individuals ‘opinion leaders’, thereby instigating a major topic of research that confirmed, expanded and refined this idea (Weimann, 1994), and continues to be important to this very day. For instance, studies of social networking activity, which occupies growing amounts of time online, find that social influence is not evenly distributed among cybercitizens, but instead, opinion leaders arise to be particularly influential on the Internet just as they are offline (Kozinets et al., 2010). These opinion leaders are felt to be so important that they are termed ‘e-fluentials’ and are actively tracked by the public relations firm, Burson-Marsteller (see http:// www.burson-marsteller.com). A second strong influence on social communication research came from the pioneering work of Everett Rogers, who built upon a variety of theories of social behaviour to formulate the concept of diffusion theory (Rogers, 1962/2003). The essential features of diffusion theory include the S-shaped curve that describes the (theoretical) spread of a new behaviour, idea or product through a social system; the normal distribution of time of adoption, which yields the categories of adopters; and the concept of 119 Social influence and sustainability in households innovativeness as the factor that distinguishes individuals by their adoption behaviour. Early in this research tradition, social influence was identified as a major driving force for the spread of innovations. Although a wide variety of influences play their roles in the speed and shape with which an innovation diffuses through a social system, communication flows, opinion leadership and network links are highlighted as among the most important. Interest in the concepts of innovativeness, change agency and opinion leadership remain prominent features of the intellectual landscape even half a century later (e.g. Gladwell, 2000). Much current research by scholars in a variety of fields, including computer science, information science, sociology and so forth focuses on social communication on the Internet. New studies appear daily suggesting that people online exert a strong influence on the attitudes and behaviours of others (e.g. Centola, 2010). More and more individuals are participating in online activities that can be characterized as ‘social networking’. Inevitably, the messages they receive or observe have a powerful influence. How does social influence work? Over time, consumers’ cognitive structures are established through consumer socialization, observation or exposure, and social and personal experiences. Consumers internalize the information they receive this way and use these cognitive structures to make sense of the world around them. According to Foxall and Goldsmith (1994), these structures or frameworks or schemata represent an integrated network of information, feelings, attitudes and associated ideas and behaviours that households and consumers use about a subject, a product category, brand, store or shopping medium. Further, they posit that a special type of schemata, called a script, is a stereotyped event sequence describing what a consumer should do in a particular consumption situation. Certain situations or sequences (for example, buying organic peaches vs. conventionally grown) will affect the actions or procedures to follow. Social influence provides individuals with the information and the motivation to form new attitudes and adopt new behaviours. Understanding all that goes on behind environmental decisions is fundamental in grasping repeated pro-environment behaviours because as common sense tells us and as we know from Ajzen and Fishbein (1980), past behaviours are the main guide to expected future behaviours. Their theory of reasoned action states that behavioural intentions are based on a combination of attitudes towards specific behaviour and that social or normative beliefs about the appropriateness of behaviour and of understanding motivation are key to understanding social behaviour. Social influence is a key element in shaping attitudes and behaviours. Moreover, it can be harnessed to bring about beliefs and attitude changes leading to green behaviour, it can reinforce desired behaviours and it can disseminate information about them. Social influence and sustainable behaviour Several studies demonstrate the effectiveness of using social influence to promote sustainable behaviour. Schultz (1999) demonstrates in a field experiment that curb-side recycling among community residents could be increased through positive feedback 120 E.B. Goldsmith and R.E. Goldsmith from the neighbourhood. Cialdini (2005) shows how simply rewording request cards in hotels to stress a social appeal could increase towel reuse. Noland et al. (2008) show how important normative social influence can be on energy conservation and describe an experiment in which normative social influence produced the greatest change in behaviour compared with information highlighting other reasons to conserve. These and other studies clearly show that there is ample empirical evidence supporting the argument that social influence can be a powerful force in favour of promoting sustainable behaviour by individuals and households. They provide examples of both effective research methods and practical strategies that are simple and cheap to implement. Discussion The purpose of the present study was to discuss social influence and its connection to sustainability. Definitions such as the lead one given in the Brundtland Report and applications of sustainability were given along with a brief overview of household green consumption behaviour. The emphasis in the article was on the four strategies for influencing behaviour, the literature on social influence and social communication, and a description of how social influence works. This coverage has implications for the following three stakeholders. First, for household experts, educators and opinion leaders, the results largely confirm that we have a role to play as more consumers look to us for reliable information based on the best practices and science. As educators, we are not selling products and we are not green washing; we are giving the best information possible to improve individual and family life building on our knowledge of resource management. We need to incorporate social influence as another tool in the strategy repertory used to promote green behaviour. Consumers willingly learn from each other in person and online. There is no reason household experts cannot create blogs, twitter and interact on social networks to promote their cause. Second, for environmental activists, and government and nongovernmental units from local townships to the United Nations, those wanting more pro-environment activity to take place in households, the implications are clear that attention has to be paid to how messages are networked, how behaviours are socialized and that how grass roots are critically important. Enlisting the help of household experts, educators and opinion leaders matters. There has to be buy-in and not merely pamphlets or lectures. For example, many companies use word-of-mouth marketing to influence consumer-to-consumer communications. Viral marketing and the Word of Mouth Marketing Association are good models to follow in this regard. Policy makers could design strategies along these lines to promote green behaviour. Third, for researchers who are the primary force behind research studies, the implications are clear: to continually improve research methods and understanding of the value of a comprehensive theory such as social influence theory to provide a framework, to consolidate what we know and to provide a basis as we go forward. Researchers and companies continue to learn how the social net functions. Household experts can join in this research effort by applying newly developed techniques to their specific topic to see if they work as well for sustainable consumption as International Journal of Consumer Studies 35 (2011) 117–121 © 2011 Blackwell Publishing Ltd E.B. Goldsmith and R.E. Goldsmith they do to sell products. The results of this research could be applied to developing actionable strategies for public policy applications. This article has strength but also limitations. Environmentalism is a fast-moving field; each new disaster or crisis from volcanoes to oil spills brings a focus on a particular area such as air or water quality affecting tourism, wildlife, business, fisheries and so forth. Households have daily activities such as preparing food and washing dishes that go on for the most part because basic human needs have to be met regardless of these national and international calamities. A limitation is often that people take such everyday activities for granted, yet those of us who are household experts know that this is ignorance more than it is a limitation. The behaviour of billions of individuals is what impacts the earth, and even the slightest shift in behaviour can have enormous positive effects for preserving what we have for future generations. Conclusion Our review shows that social influence theory about human behaviour has true relevance for household environmental studies. With research using this theory, we build on a strong tradition of acknowledging the importance of people to people – that social networks are critical to understand as a means of improving quality of life. It is vital to environmental sustainability that this message is extended to practitioners, researchers and products influencing environmental products and services. The lessons learned from social influence theory and application should be used to develop a strategy for future involvement that reflects company and public policy directives. References Abeliotis, K., Koniari, C. & Sardianou, E. (2010) The profile of the green consumer in Greece. International Journal of Consumer Studies, 34, 153–160. Ajzen, I. & Fishbein, M. (1980) Understanding Attitudes and Predicting Social Behavior. Prentice Hall, Englewood Cliffs, NJ. Aronson, E. (1972/2008) The Social Animal, 10th edn. Worth Publishers, New York. Asch, S. (1956) Studies of independence and conformity: a minority of one against a unanimous majority. Psychology Monographs, 70, 416. Berkholz, P., Stamminger, R., Wnuk, G., Owens, J. & Bernarde, S. (2010) Manual dishwashing habits: an empirical analysis of UK consumers. International Journal of Consumer Studies, 34, 235–242. Brundtland Report (1987) World Commission on Environment and Development (WCED). Our Common Future. University Press, Oxford, UK. Centola, D. (2010) The spread of behavior in an online social network experiment. Science, 329, 1194–1197. Cialdini, R. (2005) Don’t throw in the towel: use social influence research. The Observer, 18, 33–34. [WWW document]. URL http://’www.psychologicalscience.org/observer/getArticle. cfm?=1762 International Journal of Consumer Studies 35 (2011) 117–121 © 2011 Blackwell Publishing Ltd Social influence and sustainability in households Cialdini, R. & Goldstein, N. (2004) Social influence: compliance and conformity. Annual Review of Psychology, 55, 591–621. Deutsch, M. & Gerard, H. (1955) A study of normative and informative social influences upon individual judgment. Journal of Abnormal Social Psychology, 51, 629–636. Foxall, G. & Goldsmith, R. (1994) Consumer Psychology for Marketing. Routledge, London. Geppert, J. & Stamminger, R. (2010) Do consumers act in a sustainable way using their refrigerator? The influence of consumer real life behaviour on the energy consumption of cooling appliances. International Journal of Consumer Studies, 34, 219–227. Gladwell, M. (2000) The Tipping Point. Little, Brown and Co., Boston. Goldsmith, E. (2010) Resource Management for Individuals and Families, 4th edn. Pearson, Upper Saddle River, NJ. Goldsmith, R.E. (2006) Electronic word of mouth. In Encyclopedia of E-commerce, E-government, and Mobile Commerce (ed. by M. Khosrow-Pour), pp. 408–412. Idea Group Reference, Information Resources Management Association, London. Hawkins, D., Coney, K. & Best, R. (2001) Consumer Behavior: Implications for Marketing Strategy. Richard D. Irwin, Chicago. Hovland, C., Janis, I.L. & Kelley, H. (1953) Communication and Persuasion. Yale University Press, New Haven, CT. Kozinets, R.V., de Valck, K., Wojnicki, A.C. & Wilner, S.J.S. (2010) Networked narratives: understanding word-of-mouth marketing in online communities. Journal of Marketing, 74, 71–89. Lazarsfeld, P.F., Berelson, B. & Gaudet, H. (1944) The People’s Choice. Duell, Sloan, and Pearce, New York. McCullough, J. (2009) Factors impacting the demand for repair services of household products: the disappearing repair trades and the throwaway society. International Journal of Consumer Studies, 33, 619– 626. Milgram, S. (1974) Obedience to Authority. Harper & Row, New York. Noland, J.M., Schultz, P.W., Cialdini, R.B., Goldstein, N.J. & Griskevicius, V. (2008) Normative social influence is underdetected. Personality and Social Psychology Bulletin, 34, 913–923. Richards, E. (1911) Conservation by Sanitation: Air and Water, Disposal of Waste. John Wiley & Sons, New York. Rogers, E.M. (1962/2003) Diffusion of Innovation. Free Press, New York. Schmidberger, W. & Stamminger, R. (2010) Application of an interactive exercise tool: student activity, performance and satisfaction in a household technology course. International Journal of Consumer Studies, 34, 306–315. Schultz, P.W. (1999) Changing behavior with normative feedback interventions: a field experiment on curbside recycling. Basic and Applied Social Psychology, 21, 25–38. Sherif, M. (1936) The Psychology of Social Norms. Harper & Brothers, New York. Thaler, R.H. & Sunstein, C.R. (2009) Nudge: Improving Decisions about Health, Wealth, and Happiness. Penguin, London. Thomas, P., Wilson, C. & Jones, P. (2010) Strengthening the voice of mental health service users and carers in Wales: a focus group study to inform future policy. International Journal of Consumer Studies, 34, 525–531. Weimann, G. (1994) The Influentials. State University of New York Press, Albany, NY. 121 Copyright of International Journal of Consumer Studies is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use.