Robert practiced taking a few steps to one side of the stage each time he started a new point of his speech. He is engaging in .

He is engaging in a "MOTIVATED MOVEMENT".

Explanation: Motivated movement is the way we express our emotions, thoughts, needs, and points, while keeping the body in motion. It helps to motivate a speaker with boldness, on how to deliver a particular point, so that the audience will have a better understanding. it is also know as walking during transmission of points.

For Robert to walk from one side of the stage to another, whenever he want to start a new point, means that Robert wants to motivate himself to be able to express the point.

the answer is b: a lockout

i would say b probably