Publication date: Available online 30 January 2019
Source: International Journal of Psychophysiology
Author(s): Gabriela Czarnek, Małgorzata Kossowska, Michael Richter
Abstract
A study with young and older adults (N = 91) investigated the effect of self-involvement on stereotyping tendency and effort mobilization. We hypothesized that the impact of self-involvement varies as a function of age: increased self-involvement should lead older adults to engage in more effortful information processing and decreased stereotyping, whereas increased self-involvement should have no impact on effort mobilization and stereotyping tendency in younger adults. Young and older adults read narratives under low and high-self-involvement conditions before performing a recognition test that measured their stereotyping tendency. Effort was assessed as cardiovascular responses. We found that older adults in the high-self-involvement condition presented low stereotyping tendency (similar to that of young people) in comparison to older adults in the low-self-involvement condition. Furthermore, older adults in the high-self-involvement condition had decreased high-frequency heart rate variability in comparison to the other conditions, but only during the recognition test; this suggests increased effort mobilization. These findings indicate that self-involvement decreases older adults' stereotyping tendency, possibly through effort mobilization.
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