Final answer:
Hand-over-hand assistance in teaching bat swing involves the instructor guiding the student's hands through the motion. The correct example is physically guiding the movement, allowing the student to feel the correct form.
Step-by-step explanation:
In the context of teaching someone to swing a bat, hand-over-hand assistance refers to the instructor physically taking hold of the student's hands and guiding them through the correct motion pattern of swinging the bat. This method allows the student to feel the proper form and muscle movements required. Among the options provided, the best example of hand-over-hand assistance is C) Physically guiding the movement. This approach is typically used to teach hands-on skills where the physical experience of movement is crucial for learning.
As for the other options, A) Demonstrating proper form refers to the instructor showing the movement they want the student to replicate; B) Offering verbal encouragement is about providing positive reinforcement to motivate the student; and D) Providing written instructions involves giving text-based directions on how to execute the swing. These are useful methods but do not involve the literal guiding of a student's hands.