Contingency management and rate of classroom productivity.
D000124:Achievement; D000293:Adolescent; D000342:Affective Symptoms; D001521:Behavior Therapy; D002165:Camping; D002648:Child; D002653:Child Behavior Disorders / Q000150:complications; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008433:Mathematics; D011336:Probability; D011380:Programmed Instructions as Topic; D011932:Reading; D012073:Remedial Teaching; D012201:Reward; D012737:Sex Factors