A researcher stands near an intersection and writes down the time it takes for the lead driver to start up after the light turns green. The researcher records the gender and approximate age of the driver. This research is most likely engaged in

Naturalistic Observation

Explanation:

Naturalistic Observation -

It is a type of research method, in which observation is done on a particular object in their own natural surrounding, is referred to as naturalistic observation.

this method is basically employed by social scientists and psychologists.

Hence, from the given scenario of the question, the correct term for the given information of the question is naturalistic observation.