Examining Psychometric Properties and Cutoff Score Determination of the Green Leadership Scale for Employees of a Company in Bangkok
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This research aimed to 1) examine the psychometric properties of the green leadership scale, and 2) determine the cutoff scores and descriptors for the green leadership scale. The sample for this study consisted of 119 employees from a company in Bangkok, determined using a sample size calculation program and selected through simple random sampling by lottery method. Data were collected using the green leadership scale, a 5-point Likert-type scale consisting of 12 items, administered online. The statistical methods used for data analysis included 1) content validity index, 2) item-total correlation, 3) Cronbach’s alpha coefficient, and 4) confirmatory factor analysis. Cutoff scores and reporting were based on standard z-scores and descriptive statistics. The results revealed that 1) the green leadership scale exhibited strong content validity with item discrimination values ranging from low to very high (r = 0.22–0.84), high reliability (α= 0.86),and the green leadership model showed no significant chi-square results, indicating a good fit with the empirical data (χ2(2) = 0.79, p-value = 0.67), and 2) three cutoff points were established to categorize environmental leadership into four levels.
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บทความทุกบทความเป็นลิขสิทธิ์ของวารสารวิชาการมนุษยศาสตร์และสังคมศาสตร์ มหาวิทยาลัยบูรพาเท่านั้น
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