Single-item versus multiple-item measurement scales: An empirical comparison

被引:519
作者
Gardner, DG
Cummings, LL
机构
[1] Univ Colorado, Colorado Springs, CO 80907 USA
[2] Univ Minnesota, Minneapolis, MN 55455 USA
[3] Univ Wisconsin, Madison, WI 53706 USA
[4] Univ Minnesota, Duluth, MN 55812 USA
关键词
D O I
10.1177/0013164498058006003
中图分类号
G44 [教育心理学];
学科分类号
0402 ; 040202 ;
摘要
Common methods variance often is a problem with psychological measures that require respondent self-reports of attitudes, beliefs, perceptions, and the like. The present study examined this problem by comparing multiple-item, Likert-type measures of psychological constructs to single-hem, non-likert-type measures of the same constructs. Using confirmatory factor analysis, the alternative forms were compared on criteria of methods variance and construct validity. Neither method appeared to be empirically better than the other. Unusual situations in which well-developed single-item measures might be appropriate are discussed.
引用
收藏
页码:898 / 915
页数:18
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