Problem: What is another way of stating understanding construct validity? is the extent to which the test can measure each person in approximately the same way every time it is used is the extent to which test scores correlate with other measures of which we expect them to relate is an attribute, traitor characteristic that in itself is not directly observable but can only be inferred by looking at observable behaviors is the gradual accumulation of evidence that the scores on the test relate to observable behaviors in the ways predicted by the underlying theory