6 Written questions
6 Multiple choice questions
- does the questionnaire incorporate all the important aspects of the phenomenon under study?
-does it represent the true value of the attribute being measured?
-validity of instrument compared with gold standard
- subjective judgment about measurements contained in the questionnaire are reasonable
- -face validity
-is it consistent?
- adjust a measuring instrument to be equivalent to the standard
5 True/False questions
inter → same tool/observer
intra → same tool/observer
observer agreement → the degree to which the instrument measures what it is supposed to measure
improve reliability and validity → -calibration
-questionnaire standardisation/validation (qualitative research)
Content Validity → does the questionnaire represent what is being studied?