title: The effects of feedback and positive reinforcement on the Wepman Auditory Discrimination Test scores of lower-class Negro and white children.
mesh_terms: D001741:Black or African American; D001307:Auditory Perception; D002648:Child; D004192:Discrimination, Psychological; D005006:Ethnicity; D005246:Feedback; D006320:Hearing Tests; D006801:Humans; D008396:Maryland; D011581:Psychological Tests; D012054:Reinforcement, Psychology; D012923:Social Class; D044465:White People