1. Sleep deprivation and the effort hypothesis;Adamson,1988
2. Motivational determinants of risk-taking behaviour;Atkinson;Psychol. Rev.,1957
3. Strength of motivation and the efficiency of performance;Atkinson,1974
4. The Dynamics of Action;Atkinson,1970
5. Physiological correlates of performance in a long-duration repetitive visual task;Carriero,1977