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Singh, Nirbhay N.; Solman, Robert T. – Journal of Applied Behavior Analysis, 1990
This study tested whether conditioning to one member of a compound stimulus can be blocked by presence of a second member to which the response was previously conditioned. Eight mentally retarded students (ages 7-9) were presented with words, sometimes accompanied by pictures. Six students performed best when words were presented without pictures.…
Descriptors: Conditioning, Elementary Education, Instructional Effectiveness, Moderate Mental Retardation