Psychometric Meta-Analysis of the Short Grit Scale Reliability Across Demographic Groups and Academic Settings

The current study is a reliability generalization meta-analysis of the Short Grit Scale (Grit-S). A total of 95,440 participants were found across 66 studies with 117 internal consistency coefficients. We present the average Cronbach coefficient alpha (α) for the total Grit-S and subscales, Consiste...

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Bibliographic Details
Published in:Counseling outcome research and evaluation 2023-08, Vol.ahead-of-print (ahead-of-print), p.1-14
Main Authors: Rocha, Lauren, Lenz, A. Stephen
Format: Article
Language:English
Subjects:
Clinical decision making
Clinical research
Cronbach's alpha
generalization
Grit
Grit-S
Measures
Meta-analysis
Perseveration
Quantitative psychology
Reliability
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Summary:The current study is a reliability generalization meta-analysis of the Short Grit Scale (Grit-S). A total of 95,440 participants were found across 66 studies with 117 internal consistency coefficients. We present the average Cronbach coefficient alpha (α) for the total Grit-S and subscales, Consistency of Interest and Perseverance of Effort. The results include total sample percentages for participant characteristics and setting types in which researchers used the Grit-S. The alpha range (α = .68 − .73) indicates the Grit-S and individual subscales are suitable for basic research use but not clinical decision making. Additionally, studies were inconsistent with statistically significant results with participants outside the United States, and reliability coefficients reduced among nonwhite participants. Researchers should further study the reliability of Grit-S among diverse participants.
ISSN:2150-1378
2150-1386
DOI:10.1080/21501378.2022.2065975