Dr. vance, a psychologist, performs a test that requires its participants to solve a puzzle. if dr. vance's study is to find out how the human mind solves puzzles, he is most likely a

Dr. Vance is likely a Cognitive Psychologist. As a Cognitive Psychologist, Dr. Vance is studying how his subjects perform cognitively (using their brain capacity and function). In this particular case, he is measuring this functionality by having his subjects solve puzzles to discover how the mind solves said puzzles.