Page 87 - Development of Questionnaires for Quantitative Medical Research

level, ranging from e.g. ‘Very Satisfied’ to ‘Very

Unsatisfied’.

Likert scale can be a five-point, seven-

point or even ten-point scale which is used by the

study respondents to express their level of

agreement to a particular statement. Instead of a

simple ‘yes/no’ answer, the Likert scale allows the

respondent to have varying magnitude of opinions.

One possible downside of this scale is that

respondents may not answer truthfully due to

social desirability (or expectations for social

norms) and hence, compromising the validity of

data collected. For example, questions derived