Discusses 3 issues raised by M. W. Eysenck and S. Folkard (see record 1981-07363-001) in their discussion of findings by the present authors (see record 1981-07372-001). The issues include (a) the individual difference variable mediating the time of day and caffeine effects; (b) the difference between the diurnal rhythms of low and high impulsives; and (c) the necessity of postulating multiple activation states. (26 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved).
- S. Folkard
- caffeine effects, reply to criticism by M. W. Eysenck &
- individual differences, diurnal rhythms &
- multiple activation states &
ASJC Scopus subject areas
- Experimental and Cognitive Psychology
- Developmental Neuroscience