Jl. Earles et Aw. Kersten, INFLUENCES OF AGE AND PERCEIVED ACTIVITY DIFFICULTY ON ACTIVITY RECALL, The journals of gerontology. Series B, Psychological sciences and social sciences, 53(5), 1998, pp. 324-328
After they performed each of a series of activities, older and younger
adults were asked to rate the difficulty of the activity. Recall of t
he activities was later tested. Older adults tended to remember those
activities they perceived to be less difficult, whereas younger adults
tended to remember those activities they perceived to be more difficu
lt. Thus, when more cognitive effort was required to perform an activi
ty, older adults tended to have difficulty later remembering the activ
ity Difficult activities are hypothesized to tax limited processing re
sources and induce anxiety in older adults, preventing successful enco
ding.