Two concepts are shown. Select the option that best describes what they have in common. Tests abstract reasoning and verbal concept formation.
Very Easy
8 questions, concrete categories, no time limit.
Easy
10 questions, concrete to slightly abstract, no time limit.
Medium
12 questions, full range of abstraction, no time limit.
Hard
15 questions, 15 s per question.
Expert
20 questions, 10 s per question — abstract categories.
Scientific Background
Based on: WAIS-IV Similarities Subtest (Wechsler, 2008; Goldstein, 1948) (Wechsler & undefined, 1997)