Previous research has found that spoken rehearsal is superior to silent rehearsal during verbal discrimination learning. The frequency theory posits that verbal discrimination (VD) learning improves as the frequency differential between the correct and incorrect member of each pair increases. Erlebacher, Hill, and Wallace (1967) tested this…

The study of verbal behavior has a long history in the Soviet Union, and some of the studies, especially those related to verbal conditioning and learning, have had considerable impact on Western research, particularly in the United States. The view set forth in this paper is that "voluntary behavior" is only that behavior which is…