Older adults produced more off-topic speech (OTS) than younger adults
during autobiographical interviews in previous studies, a finding attr
ibuted to age-related deficits in inhibiting irrelevant information. I
n this study, older adults produced more OTS than younger adults for a
utobiographical topics, but not for picture descriptions. A 2nd sample
of younger and older participants rated older adults' story quality m
ore positively than that of younger adults, a problematic finding for
the inhibitory deficit explanation. Rater age affected ratings of how
focused the speech was on the topic, suggesting age differences in cri
teria for OTS. These findings are consistent with the Pragmatic Change
hypothesis, which maintains that older adults adopt communicative goa
ls that emphasize the significance of life experiences rather than con
ciseness in their personal narratives.