Step test of motivation to excel.
D000124:Achievement; D000293:Adolescent; D000328:Adult; D001077:Aptitude Tests; D004521:Educational Measurement; D004522:Educational Status; D006801:Humans; D007360:Intelligence; D008297:Male; D008889:Military Personnel; D009042:Motivation; D010809:Physical Fitness; D011594:Psychometrics; D014481:United States