Final answer:
The individual has internalized the beliefs of the animal rights group through adopting a vegan diet.
Explanation:
Internalization has occurred when someone joins an animal rights group and adopts a vegan diet. Internalization is the deepest type of conformity where individuals accept the beliefs or behaviors of a group both publicly and privately. In this case, the individual has integrated the values of animal rights and veganism into their own belief system.
Learn more about types of conformity in social groups here:
https://brainly.com/question/16049257
