Bright examinees have no difficulty comprehending this task and the exact instructions do not influence their performance appreciably. However, persons whose intelligence is average or below average need the elaborate demonstrations and corrections that are specified in the WAIS-IV manual (Wechsler, 2008). In particular, the examiner demonstrates the first two designs and responds to the examinees’ success or failure on these according to a complex flow of reaction and counter reaction, as outlined in three pages of instructions. Woe to the tester who has not rehearsed this subtest and anticipated the proper response o examinees who falter on the first two designs