摘要:AbstractThis paper describes the development of a 21-item instrument for assessing personal characters building in education specifically in high school. After a discussion of the conceptualization and operationalization of personal characters building construct, the procedures used in constructing and refining a multiple-item scale to measure the construct is described. Evidence of the scale's reliability, factor structure, and validity on the basis of analyzing data from 9 samples of high schools with 91 respondents are presented. Finally paper presents a 21-item instrument to measure the effect of students’ perceptions in personal characters building to their academic achievement.