Reliability

The reliability of questionnaires was observed from the consistency in responses. Test retest method (pilot study) was used to reveal the consistency. In this study,  30 research subject (population & Sample) from the class of ED7751A1 and others will be selected to test the questionnaire.

Validity

To achieve content validity, all the items were constructed based on the conceptual framework. The contents will be checked by content experts. The constructs were extracted from the literature review as illustrated in the conceptual framework. The criterion validity of instrument was tested.  A well-known instrument can be used for the testing of criterion validity.