Content Validity - Ecological Validity - Criterion Related Validity - Concurrent Validity A. A test measures what is purporting to measure at a time and place the variable was being measured. B. A Test adequatly represents a universal behavior it was trying to test. C. degree to which a test score is related to some criterion measure obtained at the same time. D. A test score can be used to infer an individual's most probable standing on some measure of interest