title: Expectancy changes in depression and schizophrenia.
mesh_terms: D000293:Adolescent; D000328:Adult; D003863:Depression / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008960:Models, Psychological; D012054:Reinforcement, Psychology; D012565:Schizophrenic Psychology