Intended to provide information about the development of the Economics Values Inventory (EVI), the report describes considerations that directed development of test items and provides indicators of the reliability and validity of the proposed test instrument. The EVI is recommended as an effective measuring instrument in experimental evaluations of group changes in economic attitudes and values, as well as in other settings in which young people's economic attitudes and values are of interest. Over 35 classrooms from 18 secondary schools (inner city, suburban, rural, public, private, and parochial) in 12 cities across the country participated in this research. Following an introduction in section 1 of the report, section 2 reports on the goals of the research. Section 3 focuses on item development while section 4 is devoted to focus groups and pretests. In sections 5 and 6, pilot study findings are presented concerning the reliability and validity of the EVI. Following a summary (section 7), section 8 focuses on senior high school students as a point of comparison. Conclusions and recommendations in section 9 are accompanied by 16 tables and a list of references. Appendices include the EVI instrument, the EVI for classroom use, the senior high version of the EVI, and individual test item means for junior and senior high school respondents. Findings indicate that the EVI is an easy-to-administer measure of economic attitudes and values with subscales of moderate reliability that cover a range of economic topics and show evidence of strong construct validity. (LH)