In addition to being a co-author of the first eight editions of INTRODUCTION TO RESEARCH IN EDUCATION, Donald Ary co-authored two books in statistics, INTRODUCTION TO STATISTICS: PURPOSES AND PROCEDURES (With L. C. Jacobs), and ANALYZING QUANTITATIVE BEHAVIORAL OBSERVATION DATA (with H. K. Suen). He is also co-author of the educational psychology text, READINGS IN CLASSROOM LEARNING AND PERCEPTION (with R. J. Mueller and E. C. McCormick). He wrote chapters for three books and published 35 journal articles, six of them in Behavioral Assessment. He presented 30 papers at professional conferences, including 12 at the American Educational Research Association, and six at the Association for Behavioral Analysis. He taught research design, statistics, measurement, and educational psychology, first at Indiana University, then at Northern Illinois University. There, he was director of the Educational Psychology and Special Education Research Office and served as interim chair of the Department of Educational Psychology, Counseling, and Special Education. He served as consultant to various educational offices in Illinois and to the Bureau of Elementary and Secondary Education, U.S. Office of Education. He also served on the editorial board of Research in Developmental Disabilities. Dr. Ary had a B.S. in education from Wilmington College of Ohio, an M.S. in education from Syracuse University, and a Ph.D. from the University of Iowa. He was an elementary teacher for three years in Ohio and seven years with the U.S. Department of Defense Dependents' Schools in England.
Lucy Cheser Jacobs has a B.S. in chemistry from Catharine Spalding College in Kentucky, and a M.S. and Ph.D. in educational psychology from Indiana University-Bloomington. She received a John H. Edwards fellowship during graduate study. Dr, Jacobs taught research methodology, statistics, measurement, and educational psychology courses at Indiana University. She served as Director of the Bureau of Evaluative Studies for several years, where she conducted institutional research studies. Before beginning graduate studies, she taught high school chemistry for three years in Kentucky. She has co-authored INTRODUCTION TO RESEARCH IN EDUCATION (nine editions) and INTRODUCTION TO STATISTICS (both with D. Ary), and DEVELOPING AND USING TESTS EFFECTIVELY (with C. Chase). She held membership in AERA and NCME and presented papers at their annual conferences.
A native Virginian, Chris Sorensen is presently obtaining a Master's in Education at VCU in Richmond. Virginia. He divides his time between family, work, school, and writing. He is currently working on the sequel to The Greatest Discovery.
