However, unlike a face-to-face administered survey in which chances are high in getting
all questions answered, an online survey bears the risk that some respondents might fail to
complete the whole questionnaire. In this online survey consideration is given to about 20% of
the returns might contain missing data and thus making them unusable. As such the minimum
number of returns required for this study was 306 (255 X 1.2 = 306).