Step 1 :The question is asking why it is a good idea to randomly select whether the student had unimpaired vision or wore goggles first in the experiment. This is a theoretical question and does not require any calculations or Python code to answer.
Step 2 :The reason for this random selection is to control for any 'learning' that may occur in using the simulator. If all students used the simulator with unimpaired vision first, they might become more familiar with the simulator and perform better when they use it the second time with the goggles. This could skew the results and make it seem like the goggles have less of an effect on reaction time than they actually do. By randomly selecting the order, this potential bias is eliminated.
Step 3 :\(\boxed{\text{B. This is a good idea in designing the experiment because it controls for any 'learning' that may occur in using the simulator}}\)