This is a research area aimed at scientific understanding of human mind and behavior . How are the senses and perceptions born when you see, hear and touch things And what is the information processing process of memory and thinking that remembers and thinks about it Why do you experience certain feelings when you meet someone you like or dislike Why is one friend trustworthy but cannot trust another friend There are many more questions that will be dealt with empirically in psychology majors. We challenge this kind of problem using an experiment method, but even if it is an experiment, it can actually give a variety of answers