Van Praag, B. and Frijters, P. (1999) «The measurement of welfare and wellbeing: The Leyden approach», in Kahneman et al. (1999).

Veenhoven, R. (2000), «Freedom and happiness: A comparative study in 44 nations in the early 1990s», in Diener and Suh (2000).

Waite, L. (1995), «Does marriage matter?», Demography, 32, 483–507.

Waldfogel, J. (2002), «Childcare, women's employment and child outcomes», Journal of Population Economics, 15, 527–548.

Warnock, M. (1998), An Intelligent Persons Guide to Ethics, London: Duckworth.

Webster-Stratton, C., Hollinsworth, T. and Kolpacoff, M. (1989), «The long-term effectiveness and clinical significance of three cost-effective training programs for families with conduct-problem children», Journal of Consulting and Clinical Psychology, 57(4), 550–553.

Wells, E. and Horwood, J. (2004), «How accurate is recall of key symptoms of depression? A comparison of recall and longitudinal reports», Psychological Medicine, 34, 1-11.

Wheen, F. (1999), Karl Marx, London: Fourth Estate Limited.

White, M. P., and Dolan, P. (2009), «Accounting for the Richness of Daily Activities», Psychological Science, 20(8), 1000–1008.

WHO International Consortium in Psychiatric Epidemiology (2000), «Cross-national comparisons of the prevalences and correlates of mental disorders», Bulletin of the World Health Organization, 78, 413–426.

WHO World Mental Health Survey Consortium (2004), «Prevalence, severity and unmet need for treatment of mental disorders», Journal of American Medical Association, 291, 2581–2589.

Wilkinson, R. (1996), Unhealthy Societies: The Affliction of Inequality, London: Routledge.

Wilkinson, R. and Pickett, K, (2009), The Spirit Level: Why more equal societies almost always do better, London: Allen Lane/Penguin.

Williams, M., Teasdale, J., Segal., Z. and Kabat-Zinn, J. (2007), The Mindful Way through Depression: Freeing Yourself from Chronic Unhappiness, New York: Guilford.

Williams, T. M. (ed) (1986), A Natural Experiment in Three Communities, New York: Academic Press, summarised in «The impact of television: A longitudinal Canadian Study», in B. Singer (ed), Communications in Canadian Society (1991), Scarborough, O N: Nelson Canada.

Wilson, J.Q. (1993), The Moral Sense, New York: Free Press.

Wilson, J. Q. and Herrnstein, R. (1985), Crime and Human Nature, New York: Simon and Schuster.

Winkelmann, L. and Winkelmann, R. (1998), «Why are the unemployed so unhappy? Evidence from panel data», Economica, 65, 1-15.

Wolpert, L. (1999), Malignant Sadness, New York: Free Press.

– (2005), To Believe Is Human: The Biology of Belief (forthcoming).

Wolpin, K. (1979), «A time-series cross-section analysis of international variation in crime and punishment», Review of Economics and Statistics, 62, 417–423.

World Health Organization (2002), Reducing risks, promoting healthy life,The World Health Report.

Wright, R. (1994), The Moral Animal, New York: Pantheon.

– (2000), Nonzero: The Logic of Human Destiny, New York: Pantheon.

Young, M. and Willmott, P. (1957), Family and Kinship in East London, London: Routledge and Kegan Paul.