The BIS/BAS Scales of the BAI (not to be confused with the Beck Anxiety Inventory (BAI)) assess two general motivational systems that underlie behavior and affect: a behavioral inhibition system(BIS) and a behavioral activation system (BAS). The BIS/BAS scales consist of 20 items that participants rate on a 4-point scale. The measure yields four scale scores, one BIS score and three BAS scores.
The BAI consists of 20 items that are rated on a 4-point Likert scale as follows:
|Strongly Disagree||Disagree||Agree||Strongly Agree|
The BAI yields 4 primary scales. Description of the scales and item loadings are listed below. Scale scores are calculated as the sum of respective items. Items 1 and 18 are reverse scored.
|SCALE NAME (ABBR.)||DESCRIPTION||ITEM LOADINGS|
|BIS or Punishment Sensitivity Scale||This scale includes all items referencing reactions to the anticipation of punishment.||1, 6, 10, 13, 15, 18, 20|
|BAS Reward Responsiveness||This scale has items that focus on positive responses to the occurrence or anticipation of reward.||3, 5, 11, 14, 19|
|BAS Drive||This scale is made up of items pertaining to the persistent pursuit of desired goals.||2, 7, 9, 17|
|BAS Fun Seeking||This scale has items reflecting both a desire for new rewards and a willingness to approach a potentially rewarding event on the spur of the moment.||4, 8, 12, 16|
Carver, C. & White, T. (1994). Behavioral Inhibition, Behavioral Activation, and affective response to impending reward and punishment: The BIS/BAS Scales. Journal of Personality and Social Psychology, 67(2), 319-333.