Answer:
external validity
Explanation:
External validity: In research methods and statistics, the term "external validity" is described as a phenomenon that involves a specific degree to which the conclusions from a particular research study is being generalized related to the individuals who doesn't belong a study.
Generally, there are three basic types of external validity's generalization including:
1. Population,
2. Environmental,
3. Temporal.
In the question above, the given statement signifies the "external validity".