Understanding the Placebo Effect

What is a placebo primarily known for?

• Its use in surgical procedures

• Its high therapeutic value

• Its ability to cure all diseases

• Its magical healing power

What treatment did Mr. Martin initially receive for his back pain?

• Surgery

• Physiotherapy

• Vertebroplasty

• Painkillers

Which theory suggests that symptoms naturally improve over time?

• Mirror neurons

• Confirmation bias

• Regression to the mean

• Classical conditioning

What is the role of mirror neurons in the placebo effect?

• They enhance confirmation bias

• They cause regression to the mean

• They release endorphins

• They mirror behavior and change brain structure

What must new pain medications demonstrate in clinical trials?

• They have no side effects

• They are cheaper than existing treatments

• They are more popular than placebos

• They work better than a placebo

What is a medical reversal?

• A reversal of symptoms after treatment

• A placebo study proving a standard procedure ineffective

• A treatment that causes side effects

• A new treatment that replaces an old one

How are honest placebo studies conducted?

• By using hidden robot pumps

• By deceiving patients about the treatment

• By informing patients they are receiving a placebo

• By comparing two active treatments

What was the outcome of the Harvard Medical School experiment on honest placebos?

• Improvement rate was halved compared to the control group

• No improvement was observed

• Improvement rate doubled compared to the control group

• Improvement was the same as the control group

What ethical concern is associated with traditional placebo studies?

• They are too expensive

• They involve deception

• They require too many participants

• They are not scientifically valid

What does the Latin word 'placebo' mean?

• I will heal

• I will please

• I will treat

• I will cure