Examining the Psychometric Validity of the Five-Item Gratitude Questionnaire: An Item Response Theory Approach
2018 ◽
Vol 38
(4)
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pp. 529-536
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The present investigation explored the psychometric validity of the five-item Gratitude Questionnaire (GQ-5) using a construct validation approach. Concerning within-network construct validity, results of item response theory (IRT) analysis via graded response model (GRM) showed that this scale could not discriminate individuals who score high in gratitude and the 7-scale response options could be modified to a 6-scale response choice. As regards to between-network construct validity, findings demonstrated that gratitude was positively correlated to both controlled and autonomous motivation. Implications are discussed to refine the assessment of gratitude in the school contexts.
2020 ◽
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2014 ◽
Vol 22
(2)
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pp. 323-341
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