title: Fluctuation in psychological state during two encounter-group weekends.
mesh_terms: D000328:Adult; D001007:Anxiety; D003863:Depression; D005120:Extraversion, Psychological; D005221:Fatigue; D005260:Female; D006126:Group Processes; D006167:Guilt; D006801:Humans; D008297:Male; D008875:Middle Aged; D010507:Periodicity; D011581:Psychological Tests; D011594:Psychometrics; D012043:Regression, Psychology; D012681:Sensitivity Training Groups; D013315:Stress, Psychological