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- Title
Psychometric Properties and Measurement Invariance of the Awareness of Age-Related Change Short Form in Older Adult Samples From Taiwan and Germany.
- Authors
Tseng, Han-Yun; Wu, Chi-Shin; Lee, Chun-Yi; Wu, I-Chien; Chang, Hsing-Yi; Hsu, Chih-Cheng; Hsiung, Chao Agnes; Kaspar, Roman; Wahl, Hans-Werner; Diehl, Manfred
- Abstract
Background and Objectives This study examined the psychometric properties and measurement invariance of the 10-item Awareness of Age-Related Change Short Form (AARC-SF) questionnaire in a Chinese-speaking sample of older adults in Taiwan. Research Design and Methods Data from 292 participants (M age = 77.64 years) in the Healthy Aging Longitudinal Study in Taiwan cohort were used for Study 1, whereas data from young-old adult samples in Germany were used for Study 2. Results Study 1 showed that the AARC-SF had satisfactory reliability and validity for assessing adults' AARC in Taiwan. Analyses confirmed the 2-factor structure of AARC-gains and AARC-losses. Study 2 demonstrated strong measurement invariance across men and women, whereas direct comparisons of the item scores between young-old adults and old-old adults need to be made with caution. Noninvariance of loadings indicated that certain items were more closely linked to AARC-gains and AARC-losses in Taiwan than in Germany. Noninvariance of intercepts suggested potential biases in comparing item scores between Taiwanese and German older adults. Discussion and Implications The AARC-SF emerged as a reliable and valid instrument for capturing positive and negative subjective aging experiences among Taiwanese older adults. However, it is noteworthy that some items on the AARC-SF may solicit different responses from individuals of different ages and different countries of origin, requiring caution with age group and cross-cultural comparisons.
- Subjects
GERMANY; TAIWAN; ATTITUDES toward aging; RESEARCH funding; QUESTIONNAIRES; RESEARCH methodology evaluation; RESEARCH evaluation; AGE distribution; DESCRIPTIVE statistics; LONGITUDINAL method; PSYCHOMETRICS; RESEARCH methodology; SELF-consciousness (Awareness); FACTOR analysis; ACTIVE aging; EVALUATION
- Publication
Gerontologist, 2024, Vol 64, Issue 9, p1
- ISSN
0016-9013
- Publication type
Article
- DOI
10.1093/geront/gnae086