Boom's Taxonomy of Observable Behaviors in the Cognitive Domain

Learning Level	Associated Action Verbs
Knowledge - ability to recall information	Arrange, collect, complete, copy, count, define, duplicate, imitate, label, list, match, memorize, name, omit, order, outline, place, point, recognize, recall, repeat, reproduce, state, select, underline
Comprehension- interpreting information in one's own words	Classify, conclude, contrast, describe, discuss, estimate, explain, express, fill in, formulate, identify, illustrate, indicate, judge, justify, locate, name, recognize, report, represent, restate, review, select, sort, tell, transform, translate
Application - using knowledge in a novel situation	Apply, assess, choose, construct, compute, demonstrate, dramatize, employ, explain, find, illustrate, indicate, interpret, isolate, make, operate, perform, practice, prepare, predict, schedule, select, sketch, show, solve, use
Analysis - breaking down knowledge into parts and showing interrelationships	Analyze, appraise, calculate, categorize, classify, compare, conclude, contrast, criticize, defend, diagram, differentiate, discriminate, distinguish, examine, experiment, identify, inventory, justify, organize, present, question, resolve, select, separate, test
Synthesis - bringing together parts of knowledge to form a whole and solve a problem	Alter, argue, arrange, assemble, change, collect, combine, compose, construct, create, derive, design, develop, discuss, expand, extend, formulate, generalize, manage, modify, organize, plan, prepare, propose, rearrange, recombine, reconstruct, regroup, relate, restate, reorder, set up, summarize, synthesize, write
Evaluation- making judgments on the basis of criteria	Agree, appraise, argue, assess, assume, attack, attempt, avoid, challenge, choose, compare, cooperate, criticize, defend, determine, disagree, estimate, evaluate, identify, judge, predict, rate, recognize, score, select, support, validate, value

Sources:
Bloom, B. S., Englehart, M. D., Furst, E. J., Hill, W. H., and Krathwohl, D. R. 1956. Taxonomy of educational objectives: Handbook I, cognitive domain. NY: McKay.

Fardouly, N. 1998. Instructional design of learning materials. [On line]. Available: http://www.fbe.unsw.edu.au/learning/instructionaldesign/materials.htm.