Naturalistic observation is a form of research that involves studying participants in their natural environment using systematic observation.

Qualitative

Explanation:

Naturalistic observation: In psychological research, the term naturalistic observation is defined as a type of observation which is considered as non-experimental and therefore is a qualitative method of research whereby organism including human beings or animal are being studied in their natural surrounding or environment.

In naturalistic observation method, manipulation of the environment is not being involved by the experimenter. The experimenter just writes down whatever he or she notices about the organisms involved in the research or the study.