This study conducts various response bias tests. Because the respondents came from all
over the US, this study has to ensure that the responses do not have any differences depending on
their companies’ locations. The responses were collected from Buffalo, Pittsburgh, East coast
and the West coast areas. Therefore, this study conducted a one factor ANOVA test to compare
the mean difference test among their responses. The test shows no statistical difference of means
on each measurement items as it found no significant differences across the different regions