Some cognitive, affective, and psychomotor behaviors can be acquired, strengthened or weakened by observing and imitating the actions of others. The use of critical thinking skills is a prerequisite to acquiring these cognitive psychomotor skill. This include the process of perceptual awareness, reception, memory, recall, discrimination, association, generalization, chaining, and decision-making responses. Psychomotor behaviors include affection and cognition, while Cognitive knowledge, include comprehension, application, analysis, and synthesis responses which precede evaluation responses.