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. 2021 May 24:12:627578.
doi: 10.3389/fpsyg.2021.627578. eCollection 2021.

A Systematic Review Approach to Find Robust Items of the Zimbardo Time Perspective Inventory

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A Systematic Review Approach to Find Robust Items of the Zimbardo Time Perspective Inventory

Chunhua Peng et al. Front Psychol. .

Abstract

The Zimbardo Time Perspective Inventory (ZTPI) is one of the most well-known and widely used measures of time perspective. Various short versions were proposed to resolve the psychometric problems of the ZTPI. The present study conducted a systematic review to obtain 25 short versions, calculated the frequency of each item of the ZTPI in short versions, and hypothesized that the more frequent the item is, the more robust it becomes. The hypothesis was tested by assessing the structural validity and internal consistency of short forms with high, medium, and low frequent items in Chinese samples (575 children, 407 undergraduates, and 411 older adults). Structural validity and internal consistency analyses showed that the form with more frequent items had better psychometric properties; item frequencies were positively correlated with factor loadings. The results suggest that the systematic review is an effective approach to identify the robust items of the ZTPI. This approach is general and can be the basis to improve the psychometric properties of scales in social science.

Keywords: ZTPI; internal consistency; psychometric problems; structural validity; systematic review; time perspective.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

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FIGURE 1
The procedure of study identification and selection.

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