Developed by the Advanced Systems Development Division of International Business Machines (IBM) in consultation with two professors, the Educational and Career Exploration System (ECES) includes information on 400 occupations and 300 post-high school majors. Designed for the high school student and for use with a computer terminal, the system includes charts which summarize and compare information about the student and his explorations. To evaluate the program, data were gathered on an experimental group and a control group of 10th graders, and also from counselors and parents of the students. Analysis of the data revealed that: (1) While students tended to concentrate on occupations during their first sitting at the ECES terminal, they used their second sitting to explore both occupational and educational opportunities, (2) Parents of users were generally pleased with the effects of the system and stated that they were more involved in the educational and vocational planning of their children than they had been previously, and (3) Counselors had positive reactions to the system and were optimistic about its effect on students. Despite these positive results, however, the anticipated gains in vocational maturity were not realized during this first year of the field test. (Author/JS)