Measuring (Non)Essentialist Beliefs About the Process of Aging

David Weiss, Manfred Diehl and Derek M Isaacowitz

The Journals of Gerontology: Series B, 2021, vol. 76, issue 7, 1340-1348

Abstract: ObjectivesWe validated an aging mindset measure that captures beliefs about the process of aging. Specifically, we introduce a brief 4-item and an extended 10-item measure assessing (non)essentialist beliefs about aging.MethodsWe report findings from one longitudinal and one cross-cultural study, including young, middle-aged, and older adults between 18 and 88 years. The studies established (retest) reliability and measurement invariance as well as convergent and discriminant validity of the measures.ResultsFirst, in a longitudinal study (N = 124, 50–84 years) including 4 measurement occasions, we showed that the 4-item scale assessing (non)essentialist beliefs about aging has good retest reliability and convergent as well as discriminant validity (e.g., awareness of age-related change). Second, in a large cross-cultural sample (N = 1,080, 18–82 years) of participants in the United States and Germany, we established an extended 10-item measure of (non)essentialist beliefs about aging, providing support for a 2-factor structure as well as measurement invariance across samples within and across countries (the United States and Germany), age groups (young, middle-aged, and older adults), as well as across men and women.DiscussionOur results highlight the importance of distinguishing between fixed versus malleable aging beliefs in research on aging and life-span development.

Keywords: Aging mindsets; Attitudes toward aging; Awareness of aging; Essentialism; Subjective aging (search for similar items in EconPapers)
Date: 2021
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The Journals of Gerontology: Series B is currently edited by Psychological Sciences - S. Duke Han, PhD and Social Sciences - Jessica A Kelley, PhD, FGSA

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