What is measurement validity?
Accuracy– the extent to which the researcher measures what he/she intends to measure
What types of validity assessment can be performed?
A. Content (face, panel)
B. Criterion (concurrent, predictive)
C. Construct (theory or logic-based outcomes)
Can a measure be reliable if it is not valid?
Yes
Can a measure be valid if it is unreliable?
No, reliability is a precondition for validity
What are the types of content validity?
What are the types of criterion validity?