Time perception is important for many aspects of human behavior, and a large literature documents that adults represent intervals and that their ability to discriminate temporal intervals is ratio dependent. Here we replicate a recent study by vanMarle and Wynn (2006 ) that used the visual habituation paradigm and demonstrated that temporal…

This report summarizes research concerning stimulus analyzing mechanisms, giving the main experimental findings and theoretical developments. Most of the data and the experimental findings are to be found in the 89 publications listed in the bibliography. The research is discussed under five main headings: (1) shape recognition, (2) selective…

This study tests the contention that a reinforcing agent's manner of administering rewards and punishments is construed by his associates as revealing his margin of freedom, and that associates are more attentive to cues concerning a reinforcing agent's dispositional qualities, and more inclined to ingratiate themselves to him, when he employes…

THE CONTRIBUTIONS OF 21 AUTHORS IN THIS VOLUME ARE DEVOTED TO ASSESSING THE STATUS OF RESEARCH AND THEORY IN MENTAL DEFICIENCY, FOCUSING ATTENTION ON THE BEHAVIOR OF THE MENTALLY HANDICAPPED. PART ONE IS CONCERNED WITH RESEARCH FINDINGS AND THEORIES TO EXPLAIN MENTAL DEFICIENCY. COMPREHENSIVE PSYCHOLOGICAL THEORIES REPRESENTED INCLUDE FIELD…