When the results of a study can be generalized to other subject populations, the study is said to have?

If the result of a study can be generalized to other subject population, it is said to have an External Validity. Validity, in scientific research, refers to the approximate truth of the results or conclusion of your research. Thus, external validity being always related to generalization, is the approximate truth of the conclusion of a research that applies to other people, places, and time.