title: Cognitive load and task condition in event- and time-based prospective memory: an experimental investigation.
abstract: Prospective memory is memory for the realization of delayed intention. Researchers distinguish 2 kinds of prospective memory: event- and time-based (G. O. Einstein & M. A. McDaniel, 1990). Taking that distinction into account, the present authors explored participants' comparative performance under event- and time-based tasks. In an experimental study of 80 participants, the authors investigated the roles of cognitive load and task condition in prospective memory. Cognitive load (low vs. high) and task condition (event- vs. time-based task) were the independent variables. Accuracy in prospective memory was the dependent variable. Results showed significant differential effects under event- and time-based tasks. However, the effect of cognitive load was more detrimental in time-based prospective memory. Results also revealed that time monitoring is critical in successful performance of time estimation and so in time-based prospective memory. Similarly, participants' better performance on the event-based prospective memory task showed that they acted on the basis of environment cues. Event-based prospective memory was environmentally cued; time-based prospective memory required self-initiation.
authors.affiliation: Department of Humanities and Social Sciences, Indian Institute of Technology, Bombay, Powai 400 076, Mumbai, India. khanaziz@iitb.ac.in
authors.forename: Azizuddin
authors.initials: A
authors.lastname: Khan
authors.forename: Narendra K
authors.initials: NK
authors.lastname: Sharma
authors.forename: Shikha
authors.initials: S
authors.lastname: Dixit
mesh_terms: D001076:Aptitude; D003071:Cognition; D003463:Cues; D006801:Humans; D033182:Intention; D008568:Memory; D011939:Mental Recall; D008960:Models, Psychological; D011597:Psychomotor Performance; D021641:Recognition, Psychology; D013647:Task Performance and Analysis; D013998:Time Perception; D014705:Verbal Behavior