A study was conducted to identify institutional effectiveness measures for different mission areas of Yavapai College in Prescott, Arizona, by defining appropriate student cohorts and outcomes indicators. Cohorts and outcomes indicators were considered for the following community college mission areas: (1) access, demonstrated by comparing all Yavapai College students with Yavapai County census information; (2) lifelong learning, determined by the course completion ratio of students defined as lifelong learners and by course satisfaction ratings; (3) developmental education, for which indicators included numbers of students advised into developmental courses based on placement test scores, numbers enrolled to improve basic skills, comparison of numbers advised into and enrolled in developmental courses, and course passing rates of developmental students; (4) transfer education, for which outcomes were determined by the number of former students currently attending Arizona State University (ASU), Northern Arizona University (NAU), the University of Arizona (UA), or other Arizona community colleges; and (5) vocational education, for which outcomes were determined through ratios of enrollment versus success in vocational courses, and completion rates for degree and certificate programs. The study revealed that fall 1993 and spring 1994 Yavapai student enrollments reflected the 1990 census distribution. Of those students defined as lifelong learners, 81% completed their classes with average satisfaction rating of 4.58 on a five-point Likert scale. During the 1991-92 academic year, 256 former Yavapai students attended ASU, 789 attended NAU, 197 attended UA, and 1,373 students attended other Arizona community colleges. Most students completed the vocational courses that they attempted. Contains 29 references. (KP)