The researcher is questioning the generalizability of the research.
Step-by-step explanation:
Generalizability is defined as the measure of usability of the result to the group of people or situation. It is also defined as the extension of research analysis and conclusions from a study conducted on a particular population to everyone. Researchers use the term generalizability to define whether their research is useful to everyone.
The results obtained by the scientist after conducting the exploration should be in such a way that it should help all the people in the world and it should not be restricted to the people involved in the study.