This book contains 17 papers prepared for a colloquium series on development and related research dealing with conditions and processes of learning, subject matter content and sequence, instructional media, and instructional methods and teacher behaviors: 1) "Organized Retention and Cued Recall" by Endel Tulving; 2) "Developmental Processes in Thought," Kenneth Lovell; 3) "Promoting Creative Thinking in the Classroom," Martin Covington; 4) "Measuring Motivation in Culturally Disadvantaged School Children," Richard deCharms; 5) "Curriculum Research in Mathematics," E.G. Besle; 6) "Curriculum Research in Science," Arthur H. Livermore; 7) "Curriculum Research and Development in English," Robert Pooley; 8) "Research in Reading," Wayne Otto; 9) "Strategies for Concept Attainment in Mathematics," Myron Rosskopf; 10) "Instructional Television Around the World," Wilbur Schramm; 11) "Instructional Research: Some Aspects of Its Status, Defects, and Needs," Arthur Lumsdaine; 12) "SOCRATES, A Computer-Based Instructional System in Theory and Research," Lawrence Stolurow; 13) "An Analytical Approach to Research on Instructional Methods," Nathanial Gage; 14) "Interaction Analysis and Inservice Training," Ned Flanders; 15) "Research and Development Strategies: The Current Scene," Louis Bright; 16) "The Wisconsin Research and Development Center for Cognitive Learning," Herbert Klausmeier; 17) "An Output-Oriented Model of Research and Development and Its Relationship to Educational Improvement," Hendrick Gideonse. (JS)