Measurement

STAI-AD-S: State-Trait Anxiety Inventory for Adults - State Anxiety

Reference and/or access link:

Spielberger, C.D., Gorsuch, R.L., Lushene, R., Vagg, P.R. and Jacobs, G.A. (1983). Manual for the State-Trait Anxiety Inventory. Palo Alto, CA: Consulting Psychologists Press