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.
The collecting period was only two weeks period as it is assumed that there would be no
bias between early and late responders. However, in order to increase the reliability as well as the
validity of this research, it also conducted a mean different test between early responders and late
responders. Since the collecting period was only two weeks. It divides the responses which were
collected during the first week into the early responders and the responses which were collected
during the second week into the late responders. The test is conducted to compare the means on