Aggregate-Level Data Characteristics of Safety Climate with Different Likert-Type Scales

  • Siu Shing Man
  • Jacky Yu Ki NgEmail author
  • Kar Ying Law
  • Alan Hoi Shou Chan
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 969)


Safety climate is an important construct for determining construction safety. This study aims to examine the validity and reliability of a safety climate scale on the basis of its aggregate-level data characteristics, with the use of 5-, 7-, and 10-point Likert-type scales, and to investigate the influence of the number of response categories on the validity and reliability of a safety climate scale. A total of 104 construction workers participated in this study. Results showed that the mean, variance, and internal consistency reliability of the 5-, 7-, and 10-point Likert-type scales had no considerable difference. Among the three scales, the responses for the 7-point Likert scale tended to be normally distributed. Therefore, this study provides theoretical contributions to the literature on construction industry safety climate and suggests the use of the 7-point Likert scale in measuring safety climate in the construction industry.


Construction safety Likert-type scale Safety climate 


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Siu Shing Man
    • 1
  • Jacky Yu Ki Ng
    • 1
    Email author
  • Kar Ying Law
    • 1
  • Alan Hoi Shou Chan
    • 1
  1. 1.Department of Systems Engineering and Engineering ManagementCity University of Hong KongHong KongChina

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