1. A psychologist is interested in learning more about how children interact with each other during the school day. The psychologist is particularly interested in discovering the ways in which children behave when they think they are not being watched. What research method would be best used to conduct this type of research

situational research

Explanation:

Situational research: In psychological research, the term "situational research" is described as a collection of different methods that are being used by researcher or investigator to analyze the external and internal factors responsible for a person to behave in certain ways. The research can further involve oneself in the part of the group he or she wants to examine or else he or she can provide the children with a specific situation to evaluate and analyze their response towards the same.

In the question above, the given statement represents situational factors.