Revised Bloom’s Taxonomy of educational objectives The most convincing model of classification of educational objectives is Bloom’s Taxonomy. Benjamin S. Bloom and his associates has adopted a three-dimensional division of learning experiences which are classified into three domains. They are, Cognitive domain (Knowing) Affective domain (feeling) Psychomotor domain (Doing) 1.Cognitive domain: The cognitive domain involves knowledge and the development of intellectual skills. This includes the recall or recognition of specific facts, procedures and concepts. There are 6 categories of instructional objectives which are in a hierarchy from simplest behavior to the most complex. The cognitive domain represents the intellectual component of behavior and is the most important from the point of view of education. This is known as the knowledge component of educational ob...