Infants in four age groups--three, six, nine and twelve months--were exposed to an experimental procedure designed to assess the extent to which such subjects were capable of discriminating between different orientations of the same form, and the extent to which they were capable of recognizing the identity between different orientations of the…

We examined some conditions under which a response acquired as a tact might facilitate the establishment of a mand. We taught 3 participants with developmental disabilities to tact the items ranked highest and lowest in a preference assessment and subsequently tested to see if the responses occurred as mands. All participants manded for the highly…

Presents a case study illustrating learned helplessness orientation in preschool children and how adult responses to a child's successes and failures directly influence a child's perception of his or her abilities. Suggests that teachers should compliment successes by highlighting the ability demonstrated and address failures with comments…

Pattern practice, as a functional part of the audiolingual and grammar translation methods of language instruction, is described. Characteristics and limitations of repetition, substitution, transformation, and translation drills are outlined. (AF)