Some unfinished issues relating to achievement test theory that seemed implicit in the basic idea of criterion-referenced testing are reviewed, recognizing their importance in current studies of authentic assessment and performance-based tests. The future of performance-based evaluation is explored. (SLD)

Major changes in educational and psychological theories that have come about since the cognitive and affective taxonomies of educational objectives were published in 1956 and 1964 are traced. The changes emphasize the need to understand thinking in the context of students' beliefs and self-directed cognitions. (SLD)