In a test of a new medication for schizophrenia, doctors allow patients to decide if they want to take the new medication or stick with their current medication. This is problematic because it creates an issue with
A) frequency distributions.
B) effect size.
C) informed consent.
D) group equivalence.

Question

Quizplus · Accepted Answer

Allowing patients to choose their medication can lead to differences between the groups that are not related to the medication's effectiveness, compromising group equivalence. This can introduce biases and confounding variables, making it difficult to attribute differences in outcomes directly to the medication being tested.

In a Test of a New Medication for Schizophrenia, Doctors