Involves mental processes. The Taxonomy of categories arranged in ascending order of difficulty are:

• Knowledge: Recognition and recall of information.
• Comprehension: Interprets, translates or summarizes given information.
• Application: Uses information in a situation different from original learning context.
• Analysis: Separates wholes into parts until relationships are clear.
• Synthesis: Combines elements to form new entity from the original one.
• Evaluation: Involves acts of decision making based on criteria or rationale.