title: Relationship between number of identified reinforcers and depression-elation.
mesh_terms: D000328:Adult; D000339:Affect; D001290:Attitude; D003863:Depression; D004644:Emotions; D005260:Female; D006240:Happiness; D006801:Humans; D008297:Male; D012054:Reinforcement, Psychology; D012649:Self Concept; D012737:Sex Factors