A. Cognitive learning involves knowledge acquisition, understanding, and mental skills such as remembering and problem-solving. It does not involve physical skill demonstration. B. Perceptive is not one of the commonly defined domains of learning used in nursing education. C. Psychomotor learning involves the development of physical or manual skills. Demonstrating the correct technique for self-injection is a clear example of a psychomotor skill. D. Affective learning focuses on emotions, attitudes, values, and feelings. It would apply more to how a patient feels about self-injecting rather than the physical act itself.