Practice Placebos and Blinding - 6.3.3 | Chapter 6: Measurement and Evaluation of Human Performance | IB 12 Physical and Health Education (SEHS)
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Placebos and Blinding

6.3.3 - Placebos and Blinding

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a placebo?

💡 Hint: Think about treatments that are not real.

Question 2 Easy

Define blinding in research.

💡 Hint: It relates to keeping secrets in experiments.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the placebo effect?

A real physiological change
A psychological phenomenon
An unethical practice

💡 Hint: Think about mind over matter.

Question 2

True or False: Blinding prevents any and all biases in research.

True
False

💡 Hint: Consider how bias can still appear.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a case study where a fitness coach introduces a new training regime. Discuss how they could implement placebos and blinding to assess the regime's effectiveness.

💡 Hint: Think about how beliefs can influence their performance.

Challenge 2 Hard

How would you critique a study that didn't employ blinding or a placebo when assessing a new dietary supplement's effects on performance?

💡 Hint: Reflect on how expectations might skew results.

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