Ralph L. Rosnow

Institution Temple University Current Position Emeritus Professor (retired) Highest Degree Ph.D. in Psychology from American University, 1962 Research Interests Research Methods/Assessment Courses Taught Advanced Research and Data Analysis Rosnow Online: Beginning Behavioral Research   Ralph L. Rosnow Radnor, Pennsylvania United States Starting with research on the adventitious conditioning of primacy and recency effects in attitude formation, Rosnow has long been interested in how people make sense of their experiential world and justify their inferences and generalizations. He has explored these questions as well in research and theory on the psychology of rumor and gossip and on the cognitive foundations of impression formation and interpersonal acumen. He has also written about philosophical and ethical issues in psychological research. For over 40 years, he has collaborated with Robert Rosenthal on research, books, and articles on research methods and data analysis. Their earliest work together was on problems of participant or subject effects when research samples are drawn from a population of volunteers. Rosnow is now Thaddeus Bolton Professor Emeritus at Temple University, where he taught in the psychology department for 34 years and, with Robert E. Lana, started the doctoral program in social psychology. Rosnow has also taught research methods and social psychology at Boston University and as a visiting professor at Harvard University, and he was a visiting professor and occasional lecturer at London School of Economics (LSE). With his wife, Mimi Rosnow, he has coauthored a popular writing manual for psychology students. He has served on editorial boards of journals and encyclopedias and, with Robert E. Lana, was General Editor of Oxford University Press's Reconstruction of Society Series. Books: Rosenthal, R., & Rosnow, R. L. (2009). Artifacts in behavioral research. A reissue of Rosenthal & Rosnow's "Artifact in Behavioral Research," Rosenthal's "Experimenter Effects in Behavioral Research," and Rosenthal & Rosnow's "The Volunteer Subject"; with a Foreword by Alan E. Kazdin. Oxford U. Press. Rosenthal, R., & Rosnow, R. L. (2008). Essentials of behavioral research: Methods and data analysis (3rd ed.). McGraw-Hill. Rosenthal, R., & Rosnow, R. L. (1985). Contrast analysis: Focused comparisons in the analysis of variance. Cambridge University Press. (Reissued by Cambridge University Press, 2009.) Rosenthal, R., Rosnow, R. L., & Rubin, D. B. (2000). Contrasts and effect sizes in behavioral research: A correlational approach. Cambridge University Press. (Click Link for sample material.) Rosnow, R. L. (1981). Paradigms in transition: The methodology of social inquiry. New York: Oxford University Press. Rosnow, R. L., & Rosenthal, R. (2008). Beginning behavioral research: A conceptual primer (6th ed.). Pearson/Prentice Hall. Rosnow, R. L., & Rosenthal, R. (1997). People studying people: Artifacts and ethics in behavioral research. W. H. Freeman. (Paperback copies available from Palgrave, UK.) Rosnow, R. L., & Rosnow, M. (2009). Writing papers in psychology (8th ed.) Wadsworth/Cengage. Japanese edition (ISBN9784788511026) available at Kinokuniya BookWeb. Journal Articles: Rosnow, R. L., & Rosenthal, R. (2009). Effect sizes: Why, when, and how to use them. Zeitschrift fur Psychologie/Journal of Psychology, 217, 6-14. Rosnow, R. L., & Rosenthal, R. (2003). Effect sizes for experimenting psychologists. Canadian Journal of Experimental Psychology, 57(3), 221-237. Correction for Note in TABLE 1: formula should read 1/2*loge[(1+r)/(1-r)]. Rosnow, R. L., & Rosenthal, R. (1996). Computing contrasts, effect sizes, and counternulls on other people's published data: General procedures for research consumers. Psychological Methods, 1, 331-340. Rosnow, R. L., & Rosenthal, R. (1995). "Some things you learn aren't so": Cohen's paradox, Asch's paradigm, and the interpretation of interaction. Psychological Science, 6, 3-9. Rosnow, R. L., & Rosenthal, R. (1989). Statistical procedures and the justification of knowledge in psychological science. American Psychologist, 44, 1276-1284. Rosnow, R. L., Rosenthal, R., & Rubin, D. B. (2000). Contrasts and correlations in effect-size estimation. Psychological Science, 11, 446-453. Other Publications: Rosnow, R. L., & Foster, E. K. (2005). Rumor and gossip research. APA Science Briefs, April 2005.

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