Dr. Martell is conducting research on a new medication. The results of the study found that participants who used the medication were less depressed
Using systematic replication in another study with a different design and a different set of participants, researchers came up with the same
results.
How do the two studies show external validity?
They show that the results of the test are inaccurate,
They show that the test measured what it was supposed to measure.
They show that the results of the test can be applied to other populations.
They show that the results of the test cannot be replicated.