Journal
JOURNAL OF POSITIVE PSYCHOLOGY
Volume 15, Issue 4, Pages 543-555Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/17439760.2019.1639796
Keywords
Grit; needs satisfaction; subjective well-being; diary study; multilevel modeling
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Funding
- Beijing Social Science Foundation [17JYB008]
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Accumulating evidence suggests that grit - perseverance and passion for long-term goals - facilitates subjective well-being (SWB), yet the underlying mechanism and the time frame in which this effect operates are less known. Building upon self-determination theory, we propose that needs satisfaction (NS) acts as a key mediator of the effect of grit on SWB. Study 1 comprised a cross-sectional survey of 2,963 adolescents and found that, at the dispositional level, grit was positively associated with SWB, and NS played a mediating role. Study 2 further uncovered the intrapersonal dynamics of the relations among grit, NS and SWB with a 21-day diary study (N = 78). Multilevel within-subject mediation analysis showed that daily grit promoted happiness by satisfying basic psychological needs. Moreover, this effect was observed regardless of the participants' trait-level grit. Collectively, our findings highlighted the importance of NS in explaining the association between grit and SWB regarding the inter- and intrapersonal relations.
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