Answer:
Scapegoat theory
Step-by-step explanation:
Based on the information provided within the question it can be said that his increasing hostility can best be explained in terms of the Scapegoat theory. This theory describes the tendency that some individuals may have of blaming the problems that they have on other people. Which is the case in this scenario as Jacob is placing his blame and anger on female engineering students, when in reality his problems are a direct result of the poor choices that he has made.