The situation you've described could be best categorized as:
- a defense mechanism.
This is because the student's rationalization that being picked on is a sign of being liked is a way to protect themselves from the negative feelings associated with being bullied. The defense mechanism at play here could also be considered denial or rationalization.
It is not necessarily a coping strategy in a constructive sense because instead of addressing the bullying, the student is downplaying its impact.
It does not typically fit the definitions of a learned emotion or a primary emotion.
So the best option to select is:
- a defense mechanism.