Rasch Analysis of the Proactive Personality Scale

被引:6
作者
Teye-Kwadjo, Enoch [1 ,2 ]
de Bruin, Gideon P. [1 ]
机构
[1] Stellenbosch Univ, Dept Ind Psychol, Private Bag 11, ZA-7602 Matieland, South Africa
[2] Univ Ghana, Dept Psychol, Accra, Ghana
关键词
proactive personality; Rasch analysis; item response theory; classical test theory; ITEM RESPONSE THEORY; JOB SEARCH; BEHAVIOR; MODEL; ENGAGEMENT; ATTITUDE; IMPACT;
D O I
10.1177/00332941211028110
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
The Proactive Personality Scale (PPS) is used widely to measure proactive personality. Previous research has evaluated the psychometric properties of the 6-item PPS (hereafter called PPS-6) using classical test theory. There is a need to provide further validity evidence for the PPS-6 using modern test theory. This study evaluated the psychometric properties of the PPS-6 using Rasch analysis. A total of 429 participants completed the PPS-6. Rasch rating scale model (RSM) was used to analyse the data. RSM showed that the PPS-6 fitted the Rasch model well. RSM demonstrated that the PPS-6 functioned as a unidimensional measure with good internal consistency reliability. Items on the PPS-6 did not show any noticeable differential item functioning across gender. RSM showed that the response rating scale of the PPS-6 is suitable. Results suggest that the PPS-6 is a reliable measure for the assessment of proactive personality.
引用
收藏
页码:2788 / 2806
页数:19
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