title: The separate and combined effects of covert and overt rehearsal in developing assertive behavior.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001242:Assertiveness; D001521:Behavior Therapy / Q000379:methods*; D005260:Female; D006801:Humans; D007092:Imagination; D008297:Male; D008875:Middle Aged; D011214:Practice, Psychological