Allen Rubin has been doing and teaching research since 1976, when he received his Ph.D. from the University of Pittsburgh. Renowned in social work, Dr. Rubin has written several research texts, drafted numerous research studies on social work practice, and is a past president of the Society for Social Work and Research.

Dr. Earl Babbie is the Campbell Professor Emeritus in Behavioral Sciences at Chapman University in Southern California. He taught sociology at the University of Hawaii from 1968 through 1979, took time off from teaching and research to write full time for eight years and then joined the Chapman University faculty in 1987. Credited with defining research methods for the social sciences, Dr. Babbie has written several texts — including THE BASICS OF SOCIAL RESEARCH — as well as numerous research articles and monographs. For 25 years he has been active in the American Sociological Association, where he served on the executive committee. He also is a past president of the Pacific Sociological Association and the California Sociological Association. Dr. Babbie received his Ph.D. from the University of California, Berkeley.