title: The Marbles test. A test for small groups.
mesh_terms: D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000523:psychology; D005190:Family; D005260:Female; D006126:Group Processes; D006801:Humans; D008297:Male; D010988:Play and Playthings; D011581:Psychological Tests; D011615:Psychotherapy, Group; D012565:Schizophrenic Psychology