Which threat to the validity of outcome research is correctly matched with its definition
A)placebo effects - people improve simply because they expect to get better
B)nonspecific treatment effects - people improve over time simply by attending therapy
C)natural improvement - people might get better over time, even without treatment
D)All of these are correctly matched.

Question

Quizplus · Accepted Answer

All the options (A, B, C) are correctly matched with their definitions, indicating various threats to the validity of outcome research.

Which Threat to the Validity of Outcome Research Is Correctly