Question

A researcher conducts a study with participants who are college students. The researcher then repeats the study using the same procedures but with members of the general population (i.e., adults) as participants. The results are similar for both samples. The research has established _______________ through ________________.

Answer 1

External validity through replication.

Step-by-step explanation:

External validity refers to the degree to which the results of a study can be generalized to other people, settings or times. If that generalization fails, it can be due to chance variation, but replication can reduce that possibility. Internal validity is established through control, whereas external validity is guaranteed by replication.