[The measurement of the therapeutic experience in open and closed groups with the GRP20 by Speierer].
D006126:Group Processes; D006801:Humans; D011581:Psychological Tests; D011615:Psychotherapy, Group / Q000379:methods*; D012106:Research; D012718:Set, Psychology
Zur Erfassung des Therapieerlebens in offenen und geschlossenen Gruppen mit dem GRP20 von Speierer.