APA Dictionary of Psychology

a self-administered, multiple-choice survey that attempts to duplicate the clinical assessment of the Type A behavior pattern (see Type A personality) by means of an objective psychometric procedure. It measures characteristics of this behavior pattern, such as extreme competitiveness, striving for achievement and personal recognition, aggressiveness, haste, impatience, and explosiveness. [Carlyle David Jenkins (1928–  ), U.S. psychologist]