When a researcher determines that the outcome of a randomized controlled treatment study on schizophrenia is associated with reduction in negative symptoms,he or she is referring to the ________ of the treatment.

Question

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Efficacy refers to the extent to which a treatment works in controlled research conditions, such as a randomized controlled trial. In this case, the researcher found that the treatment was associated with a reduction in negative symptoms, indicating that the treatment was efficacious. Effectiveness, on the other hand, refers to the extent to which a treatment works in real-world settings, which may differ from controlled research conditions. Positive effects are a more general term and may refer to any positive outcomes associated with the treatment, while grant-funded nature has no relevance in this context.

When a Researcher Determines That the Outcome of a Randomized