<P> Construct validity is `` the degree to which a test measures what it claims , or purports , to be measuring . '' In the classical model of test validity , construct validity is one of three main types of validity evidence , alongside content validity and criterion validity . Modern validity theory defines construct validity as the overarching concern of validity research , subsuming all other types of validity evidence . </P>
<P> Construct validity is `` the degree to which a test measures what it claims , or purports , to be measuring . '' In the classical model of test validity , construct validity is one of three main types of validity evidence , alongside content validity and criterion validity . Modern validity theory defines construct validity as the overarching concern of validity research , subsuming all other types of validity evidence . </P>
the ability of an instrument of actually measure what it is intended to measure is known as
the ability of an instrument of actually measure what it is intended to measure is known as
Construct validity
Construct validity