6 Written questions
6 Multiple choice questions
- -Construct Validity
-is it consistent?
- -face validity
- different tool/person measuring the same thing
-has the largest variability
-questionnaire standardisation/validation (qualitative research)
- does the questionnaire represent what is being studied?
5 True/False questions
Construct Validity → does the questionnaire represent what is being studied?
2 types of measurement variance → the degree to which the instrument measures what it is supposed to measure
Criterion Validity → does the questionnaire represent what is being studied?
standardization → making sure interviewers administer the interview in the same way to all the subjects
sampling validity → does the questionnaire incorporate all the important aspects of the phenomenon under study?