Six measures of divergent thinking were administered to 825 men ranging in age from 17 to 101 over the period from 1959 to 1972; repeat administrations were given to a subset of 278 men after a 6-year interval. Cross-sectional analyses showed curvilinear trends, with an increase in scores for men un …| PubMed
Amabile, T. M., Hill, K. G., Hennessey, B. A. & Tighe, E. M. (1994). ‘The Work Preference Inventory: Assessing intrinsic and extrinsic motivational orientations’. Journal of Personality and Social Psychology, 66, pp.950-967.| europeanjournalofhumour.org