1913-
Professor of Education, University of Chicago

Teaching as a Science.

Bloom is perhaps best known for his Taxonomy of Educational Objectives, Handbook I: Cognitive Domain (1956), which had a powerful impact on attempts to reshape educational aims in the 1950s and 1960s. Bloom was a researcher whose primary interest was setting forth a hierarchical classification system for teacher objectives. He aimed to remake education into a more scientific endeavor, one in which teachers learned to organize materials and concepts into groups. Ideally, teachers could assist students in meeting clear-cut goals by having them complete objectives. Bloom defined these sets of objectives for teachers and suggested various tests to measure whether or not the desired learning had taken place at each level.

Cognitive and Affective Domains.

Bloom's first handbook classifies intellectual tasks into six different levels, and he posits that learners must proceed in an orderly...