Using a fixed-choice procedure subjects were conditioned to emit personal reference statements by two experimenters functioning high on the dimensions of empathy, positive regard, and genuineness and two low-functioning experimenters. Comparison of learning slopes of conditioned subjects with a control group supported the efficacy of facilitative…

Portions of this paper were presented at the meetings of the Society for Research in Child Development, Santa Monica, California, March 1969. (MH)

Based on an M.A. degree submitted to McMaster University, England.

Two studies on stimulus overselectivity among three and four severely retarded adolescent males suggested that overselective responding occurs within a match-to-sample paradigm; its degree is influenced by delay intervals; it may be a failure to discriminate low preference dimensions of a multiple cue stimulus within specified situations; and it…

Stabilization of the retinal image of the boundary between a pair of red/green or yellow/blue stripes, but not their outer edges, results in the entire region being perceived simultaneously as both red/green or yellow/blue. This suggests that the percepts of reddish-green/yellowish-blue apparently are possible in corticocortical color vision…

Effectiveness of reinforcing an alternative response combined with extinction was demonstrated in two mentally retarded children who exhibited high-rate hand stereoptics. (CL)

Discusses competencies necessary for structuring teaching-learning environments (data, stimuli, and strategies) in objective-referenced or criterion-referenced instruction. Teaching competencies (behaviors) listed are pointed toward music instruction, but are applicable for all subject areas. (Author/AH)

Argues that although Lane and Pearson ("Merrill-Palmer Quarterly," v28, n3, p317-37, 1982) provide an important review, critique, and attempt at integration across paradigms used to study the development of attention, a number of genuine problems still remain to be addressed in this area. (MP)