Questionnaire has been used as a research instrument because questionnaire is
generally designed for large quantities of data, which is suitable for a
quantitative research (Hair, Babin, Money & Samuel 2003). The questionnaire
is the only instrument researchers used to collect the primary data for research
since it is more convenient and efficient way of collection primary data. By
using questionnaire, it allowed the researchers immediately obtained the
response from the respondents. Not only that, it is low cost compared to other
methods of retrieving information