This paper proposes a method to analyze preview behaviors of students using a learning management system(LMS)and an e-book system.We collected a large number of operation logs from e-books to analyze the process of learning.In addition,we conducted a quiz to test the level of understanding.This study especially focuses on an analysis of the relationship between learning behavior in preview and its effectiveness in the corresponding quiz.We apply a machine learning and classification methodology for behavior analysis.Experimental results report that students who undertake good preview achieve better scores in quizzes.