Evaluating language curricula for preschool children.
D001307:Auditory Perception; D002675:Child, Preschool; D003467:Cultural Deprivation; D003479:Curriculum; D004192:Discrimination, Psychological; D004521:Educational Measurement; D006801:Humans; D007804:Language Development; D011581:Psychological Tests; D012073:Remedial Teaching; D014796:Visual Perception; D014825:Vocabulary