TESFA G. GEBREMEDHIN is an Associate Professor of Agricultural Economics in the Division of Resource Management at West Virginia University. Dr. Gebremedhin has written book chapters, a number of journal articles, experiment station bulletins, research reports, and extension publications.LUTHER G. TWEETEN is the Anderson Professor of Agricultural Marketing, Policy, and Trade in the Department of Agricultural Economics and Rural Sociology at the Ohio State University. Dr. Tweeten was previously Regents Professor at Oklahoma State University. He has published eight books and over 400 journal and miscellaneous articles, experiment station bulletins, and research reports.

• Acknowledgments Preface The Foundation of the Scientific Research Method Guidelines for Conducting Scientific Research Guidelines for Preparing Research Grant Proposal Guidelines for Communicating Scientific Research Guidelines for Reviewing Manuscripts Guidelines for Library Literature Search Appendixes