Answer: Contact
Step-by-step explanation:
The contact hypothesis is one of the type of psychology theory that helps in explain the dispute between the member of the group and it also describe about the various types of ways so that we can improve the given situation.
The contact hypothesis situation an be reduce hen the members in the group are properly interact with each other and discuss the given scenario.
According to the given question, the given approach is basically support the contact hypothesis as Adam choose he contact hypothesis method for reducing the potential prejudice in the class.
Therefore, Contact hypothesis is the correct answer.