Jake knew that something was wrong about the way he was going about this process. He needed to proceed in a more scientific and structured manner if he truly wanted to get to the bottom of things. Until now , he first trained his to access his PSYCHOKINESIS powers. Once he managed to access it, Vince made him realize how to utilize it. He then made him utilize how the divison of power takes places and how it is difficult to divide and control at the same time.
What could the next step be? What could he be trying to teach him? This was the one question going on in his mind since the very beginning. Access, control, divide and control. He knew that that merging wasn't the thing to be taught here, since the number of subjects is same. He did understand that quantity of force executed was a factor since there was ever so slight improvement in the last few sessions. What other aspects were they trying to find?