ImpSS scale is a 19 question true-false scale assessing various personality characteristics and behaviors related to impulsivity and sensation seeking, and it is scored by summing the items that are consistent with impulsivity or sensation seeking. Thus, scores for this scale range from 0 to 19. The ImpSS scale has good internal validity, face validity and concurrent validity with other measures of personality such as the Eysenck Personality Questionnaire-Revised.36
