Less is not always more: The case of the 36-item short form of the Zimbardo Time Perspective Inventory

Michael T. McKay; Frank C. Worrell; Elizabeth C. Temple; John L. Perry; Jon C. Cole; Zena R. Mello

doi:10.1016/j.paid.2014.08.018

Less is not always more: The case of the 36-item short form of the Zimbardo Time Perspective Inventory

Michael T. McKay, Frank C. Worrell, Elizabeth C. Temple, John L. Perry, Jon C. Cole, Zena R. Mello

Research output: Contribution to journal › Article › peer-review

Abstract

Recently, a shortened version of the Zimbardo Time Perspective Inventory (ZPTI; Zimbardo & Boyd, 1999) was proposed as a "gold standard" (Sircova et al., 2014, p. 9). In this study, we examined the internal consistency and structural validity of this version of the ZPTI in samples of adolescents from the United Kingdom (. N=. 913) and the United States (. N=. 815), and adults from Australia (. N=. 667). Results provided support for the internal consistency of ZPTI scores, but structural validity analyses indicated poor fit and numerous problematic items. The findings call into question the use of scores on this shortened version of the ZTPI.

Original language	English
Pages (from-to)	68-71
Number of pages	4
Journal	Personality and Individual Differences
Volume	72
DOIs	https://doi.org/10.1016/j.paid.2014.08.018 https://doi.org/10.1016/j.paid.2014.08.018
Publication status	Published - 1 Jan 2015
Externally published	Yes

Keywords

Confirmatory factor analysis
Exploratory structural equation modeling
Zimbardo Time Perspective Inventory

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title = "Less is not always more: The case of the 36-item short form of the Zimbardo Time Perspective Inventory",

abstract = "Recently, a shortened version of the Zimbardo Time Perspective Inventory (ZPTI; Zimbardo & Boyd, 1999) was proposed as a {"}gold standard{"} (Sircova et al., 2014, p. 9). In this study, we examined the internal consistency and structural validity of this version of the ZPTI in samples of adolescents from the United Kingdom (. N=. 913) and the United States (. N=. 815), and adults from Australia (. N=. 667). Results provided support for the internal consistency of ZPTI scores, but structural validity analyses indicated poor fit and numerous problematic items. The findings call into question the use of scores on this shortened version of the ZTPI.",

keywords = "Confirmatory factor analysis, Exploratory structural equation modeling, Zimbardo Time Perspective Inventory",

author = "McKay, {Michael T.} and Worrell, {Frank C.} and Temple, {Elizabeth C.} and Perry, {John L.} and Cole, {Jon C.} and Mello, {Zena R.}",

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T2 - The case of the 36-item short form of the Zimbardo Time Perspective Inventory

AU - McKay, Michael T.

AU - Worrell, Frank C.

AU - Temple, Elizabeth C.

AU - Perry, John L.

AU - Cole, Jon C.

AU - Mello, Zena R.

PY - 2015/1/1

Y1 - 2015/1/1

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AB - Recently, a shortened version of the Zimbardo Time Perspective Inventory (ZPTI; Zimbardo & Boyd, 1999) was proposed as a "gold standard" (Sircova et al., 2014, p. 9). In this study, we examined the internal consistency and structural validity of this version of the ZPTI in samples of adolescents from the United Kingdom (. N=. 913) and the United States (. N=. 815), and adults from Australia (. N=. 667). Results provided support for the internal consistency of ZPTI scores, but structural validity analyses indicated poor fit and numerous problematic items. The findings call into question the use of scores on this shortened version of the ZTPI.

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JO - Personality and Individual Differences

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ER -

Less is not always more: The case of the 36-item short form of the Zimbardo Time Perspective Inventory

Abstract

Keywords

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