The hypothesis is the device scientists use to translate questions, theories, or proposed explanations into a form amenable to empirical research. This edition of W. W. Charter's treatise on clear, conceptual definitions and precise operational hypotheses, which was originally developed to assist students in educational policy and management…

This book is intended for a one-semester or one-term course in educational research. It is designed to enable students to become intelligent consumers of educational research and to introduce its basic principles to those who eventually may be involved in research in their work. The chapters are: (1) "Introduction to Research in Education"; (2)…