Evelyn, a psychology graduate, watches parent child interactions in a park. she simply record what she sees, and does not make a change in the situation. the method she uses is known as

I believe the answer is:  naturalistic observation

naturalistic observation conducted in a natural habitat of the subject without any intervention from the researchers. The purpose of naturalistic observation is to obtain the closest representation of what actually happen and get the information regarding the factors that might influence the subjects.

answer; 5% is your answer; ///good luck