title: Agreement for surgical patients on two instructional situations for the state anxiety inventory.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001007:Anxiety / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011581:Psychological Tests; D011594:Psychometrics; D012718:Set, Psychology; D013514:Surgical Procedures, Operative / Q000523:psychology*