A social psychology graduate student who works long hours for little pay becomes increasingly convinced that she loves social psychology. This student's attitude toward her chosen field of study is most likely the result of psychological reactance self-affirmation insufficient justification insufficient deterrence

Insufficient justification

Explanation:

Insufficient Justification can be defined as a way in which a person circumstances or situation motivate them to justify their behavior.

A person experiencing insufficient Justification may carried out a task that can goes against the person behaviour or belief which is why the social psychology graduate student often work for a long period of time with little pay despite the fact that it goes against her behaviour but has no choice than to work there which is why she choose to motivate and convince her self by saying that she love social psychology. This act of her is called INSUFFICIENT JUSTIFICATION.