Prospective/intentional and incidental everyday memory: effects of age and passage of time

The effects of age and passage of time on incidental and prospective/intentional everyday memory were examined in this study. Seventy-nine volunteers, men and women between the ages of 23 and 93 years, were tested twice, and 33 of these volunteers were tested three times over an 18-month period. They were asked to recognize or to recall, either in writing or orally, experiences from a 3-day period in which they served as research subjects. Results demonstrated that incidental, but not prospective/intentional, memory appeared to be influenced by age and passage of time. Results imply that salience and context are important factors in aging memory performance, and that certain types of everyday retrospective reports may be reliable.