Pew Research Center (2008), ‘Free Time: Middle America’s Top Priority’, report posted 9 July 2008.
115
Joseph Campbell (1988), The Power of Myth, Broadway Books.
116
James March (1994), A Primer on Decision Making: How decisions happen, Free Press: New York.
117
Chip Heath and Dan Heath (2010), Switch: How to change things when change is hard, Random House Business: London.
118
Jens Förster, Ronald S. Friedman and Nira Liberman (2004), ‘Temporal Construal Effects on Abstract and Concrete Thinking: Consequences for Insight and Creative Cognition’, Journal of Personality and Social Psychology, volume 87, issue 2, pp. 177–189.