Barratt Impulsiveness Scale (BIS-11)
Psychology: PersonalityReliability: alpha 0.833 sample items
About this scale
A 30-item measure of impulsiveness across three subscales: attentional impulsiveness, motor impulsiveness, and non-planning impulsiveness.
Sample item(s)
“I plan tasks carefully (reverse)”
“I do things without thinking”
“I act on impulse”
Reliability
Reported internal consistency: alpha 0.83. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.
Notes
Free for academic use.
Source & citation
Patton, J. H., Stanford, M. S., & Barratt, E. S. (1995): Factor structure of the Barratt Impulsiveness Scale. Journal of Clinical Psychology, Vol. 51, No. 6, pp. 768–774.
Patton, Stanford & Barratt (1995): BIS-11. JCP, 51(6), 768–774.
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
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