ABSTRACT
From the study of the factors affecting the ethical climate at work and the roles of human
resources practices in reinforcing employee’s ethical climate and fair treatment, the primary data were
derived from questionnaire of the survey research. The population was employees who had been
working in private sectors. Total sample size was equal to 1,215. The factors affecting ethical work
climate were categorized into 4 groups: individual factors, work-related factors, organizational factors
and other environmental factors. The results revealed that the perception of ethical work climate were
influenced by in-work positions, tenure, characteristics of supervisors, and levels of business
competition at the significant level of 0.05. For the roles of human resource practices promoting
ethical work climate; ethical-related training courses, performance feedback and levels of payment
affected the perception of ethical climate at the statistically significant level of 0.05. The study,
therefore, proposed ethical reinforcement at work by focusing on the mentioned factors of human
resource practices on ethical work climate.
Key words: Ethics, Ethical Work Climate, Fair Treatment, Human Resource Management, HRM
e-mail address : fmsjtt@src.ku.ac.th