State-Trait Anxiety Inventory (STAI)

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State-Trait Anxiety Inventory (STAI) Charles D. Spielberger, PhD, ABPP




  • Purpose: Differentiate between state and trait anxiety


  • Age Range: Adolescent, Adult


  • Adminstration: Individual or group


  • Time: 10 minutes

The STAI is designed to differentiate between the temporary condition of \”state anxiety\” and the more general and long-standing quality of \”trait anxiety\” in adults.


The State Anxiety scale evaluates feelings of apprehension, tension, nervousness, and worry, which increase in response to physical danger and psychological stress. The Trait Anxiety scale is ideal for screening high-school and college students and military recruits for anxiety problems, and for evaluating the immediate and long-term outcome of psychotherapy, counseling, behavior modification, and drug-treatment programs.


The manual has been translated into more than 40 languages and is written at the 6th-grade reading level. It includes normative tables for working adults, high-school students, college students, and military recruits. The 40-question test booklet allows clients to respond on a 4-point Likert scale. The Scoring Key is easy to use.


STAI Introductory Kit includes STAI Manual, 50 Test Booklets, and Scoring Key.