Validation study can be a separate study design

Psychometrics has a very important role and with the increase in the number of cross-cultural research projects, there is a need to adapt health status measures. In validation study, there are different scientific steps during translation, cultural adaptation, sample size estimation and assessing reliability and validity with distinct statistical analysis. Author aimed to opine to use validation study as a separate study design rather than the current trend of assigning cross-sectional study design.