developing a model for integrating safety, quality and productivity in ...

Table 5. 7: ANOVA results for the differences in the mean value of all aspectsType of Sum of MeanCategorydfRelationship Squares SquareBetween Groups 1.289 3 0.430Relationship between safety and quality Within Groups 9.505 57 0.167Total 10.794 60Between Groups 0.331 3 0.110Relationship between safety and productivity Within Groups 6.081 57 0.107Total 6.412 60Between Groups 0.251 3 0.084Relationship between safety and cost Within Groups 4.203 57 0.074Total 4.454 60Between Groups 0.922 3 0.307Relationship between safety and time Within Groups 7.290 57 0.128Total 8.212 60Between Groups 0.091 3 0.030Relationship between safety and religion Within Groups 7.140 57 0.125Total 7.231 60Between Groups 0.740 3 0.247Relationship between safety, quality, andWithin Groups 13.830 57 0.243productivity contributesTotal 14.570 60The critical value of F 0.05 equal 2.76 at degrees of freedom “df” (3, 57)FSig.(P)2.577 0.0631.034 0.3851.135 0.3432.403 0.0770.242 0.8671.017 0.3925.4.2 Qualification of respondentsQualification of respondents has been used as a measurement tool to investigate therelationship between safety and quality. The qualification factor has been groupedinto three levels as shown in the questionnaire (i.e. BSc, MSc, and Other). Thus, twohypotheses can be proposed as follows:Ho: There is no difference in the mean value for the respondent answers for therelationship between safety and (quality, productivity, cost, time, religion) due to thequalification at significance levelα =0.05Ha: There is difference in the mean value for the respondent answers for therelationship between safety and (quality, productivity, cost, time, religion, andproductivity contributes) due to the qualification at significance levelα =0.05Table 5.8 shows the mean and standard deviations for each category corresponding tothe qualification levels. For the relationship between safety and quality, it is noticedthat the mean of the qualification (mean = 2.325) correspondence in the level (BSc) isthe largest mean, while the smallest mean of the qualification (mean = 2.107)correspondence lies in the level (MSc). This means that respondents who hold a BSc172