Answer:
In order to evaluate whether he has successfully follow the procedure in tying a Parisian knot, Xander should ask: Was this the correct way to do it?
Step-by-step explanation:
If there is a detailed explanation of the process for tying a Persian knot, the question would be if the one who is going to follow it, in this case Xander, is able to understand the instructions, if he/she was able to comprehend the procedure. So, the best was of evaluate this is to ask if that was, in fact, the correct way to do it. If there was a misunderstanding in the comprehension of the given process, the result won't be the expected, if procedure was clear for Xnder, the result will probably be successful.