Answer:
A playground
Step-by-step explanation:
Naturalistic observation: In psychological research, the term naturalistic observation is defined as a form of research method that is being used by many social scientists and psychologists.
Naturalistic observation involves the process of observing the participants or the subject is their natural settings or environments or surroundings. A person who is conducting the naturalistic observation studies the participant's spontaneous behavior in the natural environment and records whatever he or she observes.
In the question above, the location that would produce the most accurate results is a playground.