Final answer:
Experimental evidence supports that imagery improves both the learning and performance of motor skills and that tasks with considerable cognitive components yield significant benefits. Imagery aids not just in learning new skills but also in performance of well-mastered skills. Therefore correct option is D
Step-by-step explanation:
According to experimental evidence, it is true that imagery is effective in improving the learning and performance of motor skills, and that tasks involving mostly cognitive components demonstrate the greatest positive benefits. Imagery is not only beneficial in learning a new skill but is also helpful in enhancing performance even after the skill has been well learned. This underscores the significance of cognitive learning in both the acquisition and execution of skills, as it involves visual processing and sensory inputs that are essential for effectively associating sensory stimuli with learned behavior and coordinating complex movements. Moreover, cognitive learning plays a role in processing visual information, which is crucial in tasks that require motor-sensory integration.