PROMIS Anxiety Short Form 8a
Psychology: Mental HealthReliability: alpha 0.954 sample items
About this scale
An 8-item NIH-developed anxiety measure from the PROMIS system. IRT-calibrated; converts to T-scores comparable to US population norms.
Sample item(s)
“I felt fearful”
“I felt anxious”
“I felt worried”
“I felt tense”
Reliability
Reported internal consistency: alpha 0.95. 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
Pilkonis, P. A., Choi, S. W., Reise, S. P., Stover, A. M., Riley, W. T., & Cella, D. (2011): PROMIS item banks. Assessment, 18(3), 263–283.
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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