Abstract

The author was invited to discuss "the extent and character of the theoretical and philosophical aspects" of educational psychology. His own work in educational psychology, however, is concerned primarily with research methodology, measurement, and statistical analyses as applied in educational research methods, and his major tie to philosophy has been in the philosophy of science. Therefore, he touches on topics such as behaviorism, logical positivism, cause-and-effect relationships, objectivity and subjectivity, relationships among variables, and Evolutionary Critical-Realism. 2012 APA, all rights reserved)