BIS/BAS Scales
Behavioral Inhibition and Activation Systems — two fundamental motivational systems
Two systems run the show in your brain: one that hits the brakes and one that hits the gas. The Behavioral Inhibition System (BIS) makes you stop and scan for danger. The Behavioral Activation System (BAS) pushes you toward rewards. How these two balance out says a lot about how you approach the world. 24 items measure BIS plus three BAS facets — Drive, Fun Seeking, and Reward Responsiveness. About 8 minutes.
What Are the BIS/BAS Scales?
The Behavioral Inhibition System (BIS) and Behavioral Activation System (BAS) were proposed by Gray in the 1980s to describe two fundamental motivational systems in the brain. Carver and White (1994) developed this 24-item scale to measure individual differences in them — it is one of the most widely used measures of its kind.
The Four Dimensions
Behavioral Inhibition System (BIS), 7 items: sensitive to signs of punishment and threat; makes you stop and check before acting. High scorers tend toward caution and anxiety; low scorers are less rattled by risk.
BAS Drive, 4 items: persistence in pursuing goals. High scorers are relentless when they want something.
BAS Fun Seeking, 4 items: desire for novelty and instant reward. High scorers jump at new experiences and enjoy spontaneity.
BAS Reward Responsiveness, 5 items: responsiveness to reward and positive emotion. High scorers feel excitement intensely when things go well.
The two systems are independent — you can be high on both, or high on one and low on the other.
This test is for educational and self-exploration purposes only. It is not a clinical diagnostic tool.
Scoring Guide
Sum within each scale. BIS = items 2, 8, 13, 16, 19, 22, 24 (range 7–28); BAS Drive = 3, 9, 12, 21 (4–16); BAS Fun Seeking = 5, 10, 15, 20 (4–16); BAS Reward Responsiveness = 4, 7, 14, 18, 23 (5–20). Each item scored 1–4 (1=very true for me → 4=very false for me); all items reverse-scored except 2 and 22 (5 − raw). Items 1, 6, 11, 17 are fillers and are not scored. No total score; no clinical cutoffs.Result Interpretation
After completing the 24 questions, you'll receive an immediate, detailed report with:
- Your score — calculated automatically based on your responses
- Score interpretation — what your score means in practical terms
- Dimension breakdown — separate scores for each sub-scale
- Context — how your results compare to general population norms where available
All results are displayed on screen. No account or login needed.