State Trait Anxiety Inventory (STA)

The Speilberger State/Trait Anxiety Inventory (STA) consists of 2 subscales, the State scale (SAI) and the Trait scale (TAI). Each subscale consists of 20 items and yields a total score. This is a copyrighted instrument that is available for purchase from Mind Garden Inc.

ITEM CODING

The SAI consists of 20 items that are rated on a 4-point Likert scale as follows:

Not at all Somewhat Moderately so Very Much so
1 2 3 4

The TAI consists of 20 items that are rated on a 4-point Likert scale as follows:

Not at all Somewhat Moderately so Very Much so
0 1 2 3

SCALES

The STA yields 2 total scores (SAI and TAI). Description of the scales and item loadings are listed below. Scale scores are calculated as the sum of respective items.

SCALE NAME (ABBR.) SCALE DESCRIPTION ITEM LOADINGS
STA_TAI Total Trait All (Reversed items are: 1,3, 6, 7, 10, 13,14, 16, 19)
SCALE NAME (ABBR.) SCALE DESCRIPTION ITEM LOADINGS
STA_SAI Total Trait All (Reversed items are: 1,2, 5, 8, 10, 11,15, 16, 19, 20)

RESOURCE FILES

Questionnaire

R scoring syntax file

TAI spss scoring syntax file

SAI spss scoring syntax file

REFERENCES

Spielberger, C. D., & Sydeman, S. J. (1994). State-Trait Anxiety Inventory and State-Trait Anger Expression Inventory. In M. E. Maruish (Ed.), The use of psychological tests for treatment planning and outcome assessment (pp. 292-321). Hillsdale, NJ: LEA.