期刊
JOURNAL OF RESEARCH IN PERSONALITY
卷 69, 期 -, 页码 13-21出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jrp.2016.04.002
关键词
Within-person variability; Intra-individual variability; Psychological flexibility; Positive affect; Negative affect; Health; MIDUS
资金
- National Institute on Aging United States [K02-AG033629, P01-AG020166, P01-AG0210166-02, R01-AG19239]
- John D. and Catherine T. MacArthur Foundation Research Network
Intra-individual variability (IIV) and psychological flexibility (PF) in affect both describe affective change over time (i.e., within-person variability). However, IW and PF might differ from each other and predict different psychological and physical health outcomes. A large sample of adults (n = 793) completed two assessments of daily stress, daily affect, and health over a 10-year interval in The National Study of Daily Experiences (an 8-day daily diary portion of the Midlife Development in the United States study). IIV and PF in affect were modestly reliable within and between assessments. IIV, operationalized as total variability, predicted worse psychological and physical health concurrently and prospectively. PF, operationalized as changes in dimensionality, predicted better psychological and physical health concurrently and prospectively. Other operationalizations of PF were not consistently related to health. Within-person variability in affect could therefore be adaptive or maladaptive depending on how it was defined. (C) 2016 Elsevier Inc. All rights reserved.
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