Understanding the Placebo Effect

What is the primary purpose of using a placebo in drug experiments?

• To provide a real treatment to all participants

• To compare the effects of the drug with the power of expectation

• To eliminate the need for a control group

• To ensure all participants receive some form of medication

Who was the first philosopher to mention a concept similar to the placebo effect?

• René Descartes

• Sigmund Freud

• Michael de Montaigne

• John Hagerth

What was John Hagerth's experiment with the Perkins Tractor meant to demonstrate?

• The superiority of wooden tools over metal

• The power of expectation in perceived healing

• The ineffectiveness of all medical treatments

• The effectiveness of metal rods in healing

How do fake crosswalk buttons serve as a modern-day placebo?

• They are connected to a central system

• They actually control the traffic lights

• They give people a false sense of control

• They are used to test new traffic systems

Why might businesses choose to use placebos like fake elevator buttons?

• To increase the speed of elevators

• To comply with safety regulations

• To save costs while maintaining customer satisfaction

• To ensure all buttons are functional