Notes for Effectiveness of Treatments - IB | RevisionDojo
Effectiveness of Treatments Notes
Types of Evaluations
Empirical Evidence:
Randomized controlled trials (RCTs) are the gold standard for testing treatment effectiveness.
Patient Outcomes:
Success is measured by symptom reduction and improved quality of life.
Cost-Effectiveness:
Balances treatment costs with long-term benefits.
Supporting Study
Case study
Elkin et al. (1989) - Depression Treatments
Aim: To compare the effectiveness of different treatments for depression.
Method: Randomized controlled trial.
Procedure:
Participants with major depression were assigned to four groups: CBT, interpersonal therapy, antidepressants, or placebo.
Treatment outcomes were measured over 16 weeks.
Results:
All active treatments outperformed placebo.
No significant differences were found between CBT, interpersonal therapy, and antidepressants.
Conclusion: Multiple treatment approaches are effective, and patient preferences should guide selection.
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Questions
Recap questions
1 of 5
Question 1
Recap question
A clinic must choose between two depression treatments: Treatment A reduces symptoms rapidly but costs $2000 per patient, while Treatment B reduces symptoms more slowly but costs $500 and yields similar long-term improvements in quality of life. Which evaluation criterion is most relevant when deciding which treatment to offer?
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What factors influence the effectiveness of treatments?
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Note
The effectiveness of treatments in psychology is influenced by several factors, including the type of therapy, the severity of the disorder, and individual differences like personality or cultural background.
Evaluating treatment effectiveness often involves analyzing empirical evidence, such as clinical trials, as well as patient outcomes like symptom reduction and improved quality of life.
Cost-benefit analyses are also crucial, as they weigh the financial costs of treatment against its long-term benefits.
ExampleFor instance, cognitive-behavioral therapy (CBT) might work well for mild anxiety, but severe cases may require a combination of therapy and medication.AnalogyThink of treatment effectiveness like choosing the right tool for a job: a hammer works for nails, but you’d need a screwdriver for screws. Similarly, different treatments work better for different disorders and individuals.
