Symbol Search
SS is a sub-test of WAIS-IV. This test measures processing speed. The SS consists of 60 items. In this test, participants visually scanned two groups of symbols (target group and search group) and indicated whether one of the symbols in the target group matched one of the symbols in the search group. Participants answered as many items as possible within a time limit of 120 s. The main measure of this test is the number of correct answers.