Hypothesis 1 and Hypothesis 2 stated that green product design (DfE, DfD and DfR) and resource commitment is positively related to reverse logistics product disposition (repair, recondition, remanufacture, recycle and disposal). In testing the aforementioned hypotheses, multiple regression analyses were applied and the results are presented in Table 4. Step 1 of the regression analyses takes the effect size as control variable into account to consider its influence to reverse logistics implementation. Step 2 applies all three factors of green product design and resource commitment as independent variables in all five regression models to determine the predictive ability of each factor on reverse logistics product disposition options.