Peer Group Influences on Students’ Academic Motivation Thomas A. Kindermann, Portland State University Thomas A. Kindermann, PhD Department of Psychology PO box 751 Portland, OR 972070-0751 Ph: 503 725 3970 Fax: 503 725 3904 kindermannt@pdx.edu word count: 8670 words To appear in: Kathryn Wentzel and Geetha Ramani (Eds.) HANDBOOK ON SOCIAL INFLUENCES ON SOCIAL-EMOTIONAL, MOTIVATION, AND COGNITIVE OUTCOMES IN SCHOOL CONTEXTS. I would like to thank Darlene Hess for her help with literature reviews and Ellen Skinner for her helpful critiques throughout my work on the chapter.