Agglomerative Hierarchy Clustering for Evaluation of Workplace Safety Culture Implementation and Practice | Chapter 05 | Emerging Issues in Science and Technology Vol. 2
This study assessed safety culture and practices in selected companies from the oil and gas, construction, transportation and logistics companies operating in the Niger Delta region of Nigeria. The questionnaire design utilized 15 safety cultural parameters and practices peculiar to 11 companies formed the basis of questionnaire distributed to 663 respondents in the study area. Purposive sampling was employed in the choice of companies sampled while random sampling technique was applied with respect to questionnaires distribution within the selected companies. XLSTAT 2016 statistical computer package was applied as aid for data analysis which includes Shapiro-wilks test of normality as an aid for the choice of analysis of variance option, the Friedman’s test to determine the variance among the various sampled groups which also includes a post-hoc test (Nemenyi’s Procedure) and Agglomerative Hierarchy Clustering (AHC) for clustering of workplace safety culture practices within the sa...