Key points are not available for this paper at this time.
Survey-based studies are ubiquitous in medical, social, economic, psychological and behavioural research, where questionnaires are often used as the main research tool to collect various information from respondents. Given the importance of questionnaires to research, ensuring the validity of the questionnaires is critical to producing high quality survey research. Therefore, this article describes a step-by-step systematic approach to questionnaire development and validation for research purposes.
Yusoff et al. (Wed,) studied this question.