In the DSM-IV-TR, there are .... groups of criteria for mental retardation, which is included on Axis ....

Construct validity of a measure assessed by examining whether groups of people differ on the measure in expected ways

What will be an ideal response?

If I have 4-year-old Juan fill a tall cylinder with water up to the two cup mark and a short,

wide cylinder up to the two cup mark and I ask him to tell me which cylinder has more water, what is he most likely to say? a. They are both equal. b. The taller cylinder has more water in it. c. The shorter cylinder has more water in it. d. He does not know the answer.