1. The Effect of Supplementary Tutoring on Students' Mathematics Achievement: A Comparative Study of Japan and the United States Open Access Author: Mori, Izumi Title: The Effect of Supplementary Tutoring on Students' Mathematics Achievement: A Comparative Study of Japan and the United States Graduate Program: Educational Theory and Policy Keywords: Supplementary TutoringShadow EducationPrivate TutoringMathematics AchievementPropensity Score Matching File: Download 1-Mori_Dissertation_Final.pdf Committee Members: Suet Ling Pong, Dissertation Advisor/Co-AdvisorSuet Ling Pong, Committee Chair/Co-ChairDavid P Baker, Committee MemberDavid R Johnson, Committee MemberKathryn Bancroft Hynes, Committee MemberSoo Yong Byun, Committee Member
