Psychometric Properties of Turkish Adolescent Time Inventory-Time Attitude (ATI-TA) Scores

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The Adolescent Time Inventory (ATI; Mello & Worrell, 2007) is a relatively new measure developed to assess several aspects of time perspective (e.g., time orientation, time attitudes). Time attitudes, one aspect of time perspective, refer to positive and negative feelings about the past, present, and future. In the current 2-sample paper, we examined the internal consistency, structural validity, and convergent validity of scores on the time attitude subscales (TA) of the Turkish ATI (Mello, Worrell, Şahin-Baltaci, & Tagay, 2015). Results from Sample 1 (N = 244) indicated that scores on 5 of the 6 Turkish ATI-TA subscales—Past Positive, Past Negative, Present Positive, Present Negative, and Future Positive—were internally consistent, and confirmatory factor analyses provided strong support for the structural validity of a 5-factor model as well as the hypothesized 6-factor model, even though internal consistency estimates for Future Negative scores (the sixth factor) were unacceptably low. Results from Sample 2 (N = 350) provided additional internal consistency and structural validity evidence for scores on the 5-factor model and also provided evidence of convergent validity with self-esteem, well-being, and optimism. Analyses also indicated that scores on the 2 past and 2 present subscales demonstrated configural, metric, and scalar invariance across samples, whereas the Future Positive scores only demonstrated metric invariance. We concluded that these 5 subscales can be used with Turkish adolescents and that the Future Negative subscale needs to be revised and validated in this national context.

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