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...