R. D. Ragain

Semantic priming effects on picture and word processing

R. Sperber, C. McCauley, R. D. Ragain, 1979 .

Reassessment of category knowledge in retarded individuals.

R. Sperber, C. McCauley, R. D. Ragain, 1976, American journal of mental deficiency.

Concept Usage as an Index of Semantic Competence.

R. D. Ragain, 1980 .

The control of self-mutilating behavior with positive reinforcement.

J. Anson, R. D. Ragain, 1976, Mental retardation.

Autoshaping And Maintenance Of A Lever-Press Response In Mentally Retarded Children

R. Sperber, J. Anson, R. D. Ragain, 1976 .