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Prospective memory: when reminders fail
M J Guynn1, M A McDaniel, G O Einstein
1Department of Psychology, University of New Mexico, Albuquerque 87131, USA. guynn@unm.edu
Memory & Cognition
|May 19, 1998
Summary
Reminders for future tasks (prospective memory) are not always effective. For best results, reminders must specify both the event and the action, otherwise, prospective memory may not improve.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Memory
Background:
- Prospective memory involves remembering to perform intended actions in the future.
- A common belief is that reminders enhance prospective memory performance.
- The effectiveness of different types of reminders requires further investigation.
Purpose of the Study:
- To investigate the efficacy of various reminder types on prospective memory.
- To determine the conditions under which reminders improve future intentions.
- To challenge the general assumption that any reminder aids prospective memory.
Main Methods:
- Four experiments were conducted to test reminder effectiveness.
- Participants were assigned to groups with varying reminder frequencies and content.
- Reminder content varied, including target events, intended activities, or both.
- Control groups received no reminders or different types of instructions.
Main Results:
- Reminders specifying both target events and intended activities were most effective.
- Reminders mentioning only target events did not improve prospective memory.
- Reminders mentioning only the intended activity showed some benefit but were less effective.
- Imagery-based instructions did not further enhance prospective memory performance.
Conclusions:
- The general assumption that reminders always improve prospective memory is incorrect.
- Reminder specificity is crucial for enhancing prospective memory.
- Findings support a novel theory of prospective memory and highlight conditions where reminders fail.