For enhancing construct validity, critically evaluate the content of the instrument to make sure that the instrument covers all the aspects and topics to address all the dynamic aspects. To enhance construct validity, it is preferred to test the instrument on small scale so that any possible errors can be removed before hand. In the case of testing validity of surveys, performance appraisals etc, comparison with the previously made devices can also help the developers to analyze the validity of the construct. Specialized people can be consulted to give their views in enhancement of validity of the instrument.