Marybeth has been tracking all the likes on her favorite singer's social media. She is sure that she has a great deal in common with her idol and that they are already friends. This illustrates which defense mechanism

Identification

Explanation:

Identification: In psychology, the term "identification" is described as one of the different defense mechanism that an individual tends to opt-in difficult situations. The process of identification involves an individual or a victim to adapt specific behaviors of some other person who is considered to be more hostile and powerful towards him or her. It was initially developed by "Sandor Ferenczi" and later on by "Anna Freud".

In the question above, the given statement illustrates "identification".

answer; a biased sample;