The theory that best explains why Jermiah adopted the new attitude is called Cognitive Dissonance Theory.
Cognitive dissonance theory postulates that an underlying psychological tension is created when an individual's behavior is inconsistent with his or her thoughts and beliefs.
In this field of psychology, cognitive dissonance is the perception of contradictory information and this is what Jeremiah felt when he convinced himself that copying answers are not wrong after feeling uncomfortable at first.
Read more about theory here:
https://brainly.com/question/11555274
