The Paired-Associates Method in the Study of Conflict / Alfred Castaneda -- Transfer of Stimulus Pretraining to Motor Paired-Associate and Discrimination Learning Tasks / Joan H. Cantor -- The Role of the Distance Receptors in the Development of Social Responsiveness / Richard H. Walters, Ross D. Parke -- Social Reinforcement of Children's Behavior / Harold W. Stevenson -- Delayed Reinforcement Effects / Glenn Terrell -- A Developmental Approach to Learning and Cognition / Eugene S. Gollin -- Evidence for a Hierarchical Arrangement of Learning Processes / Sheldon H. White -- Selected Anatomic Variables Analyzed for Interage Relationships of the Size-Size, Size-Gain, and Gain-Gain Varieties / Howard V. Meredith.