The answer is all of the above
Answer:Structuralism/functionalism
Explanation: Structuralism and functionalism are considered the first school of thought in psychology. Structuralism deals the study of human mind and the basic units that can be identified through introspection. Functionalism pays more objective forms of study and argues that it's important to study various aspects of the mind and behavior in terms of function
Answer:
He has increased his knowledge
A couple days I rlly don't know the exact sorry I think it is around three from what I heard but I will research more and let u know