Ecological variables and examiner biases in assessing handicapped preschool children.
D001291:Attitude of Health Personnel; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D006233:Persons with Disabilities / Q000523:psychology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011581:Psychological Tests; D012931:Social Environment