Anxiety Sensitivity Index-3 (ASI-3)
Psychology: Mental HealthReliability: alpha 0.933 sample items
About this scale
An 18-item measure of anxiety sensitivity — fear of anxiety symptoms — across three subscales: physical, cognitive, and social concerns.
Sample item(s)
“It scares me when my heart beats rapidly (physical)”
“When I feel 'spacey' or spaced out, I worry that I may be mentally ill (cognitive)”
“I worry that other people will notice my anxiety (social)”
Reliability
Reported internal consistency: alpha 0.93. 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
Taylor, S., Zvolensky, M. J., Cox, B. J., Deacon, B., Heimberg, R. G., Ledley, D. R., et al. (2007): Robust dimensions of anxiety sensitivity: Development and initial validation of the Anxiety Sensitivity Index-3. Psychological Assessment, Vol. 19, No. 2, pp. 176–188.
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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