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Full-Text Articles in Psychology
An Item-Response Theory Approach To Safety Climate Measurement: The Liberty Mutual Safety Climate Short Scales, Yueng-Hsiang Huanga, Jin Lee, Zhuo Chen, Mackenna Laine Perry, Janelle H. Chung, Mo Wang
An Item-Response Theory Approach To Safety Climate Measurement: The Liberty Mutual Safety Climate Short Scales, Yueng-Hsiang Huanga, Jin Lee, Zhuo Chen, Mackenna Laine Perry, Janelle H. Chung, Mo Wang
Psychology Faculty Publications and Presentations
Zohar and Luria’s (2005) safety climate (SC) scale, measuring organization- and group- level SC each with 16 items, is widely used in research and practice. To improve the utility of the SC scale, we shortened the original full-length SC scales. Item response theory (IRT) analysis was conducted using a sample of 29,179 frontline workers from various industries. Based on graded response models, we shortened the original scales in two ways: (1) selecting items with above-average discriminating ability (i.e. offering more than 6.25% of the original total scale information), resulting in 8-item organization-level and 11-item group-level SC scales; and (2) selecting …