Which Historical Example Was One of the First Demonstrations of the Experimenter

question 124

Multiple Choice

Which historical example was one of the first demonstrations of the experimenter expectancy effect?

• A)Mesmer and his magnetized trees
• B)Clever Hans and his mathematical abilities
• C)Prefrontal lobotomy cures for depression
• D)Ancient African voodoo practices

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Definitions:

Peripheral Neuropathy

A condition characterized by damage to the peripheral nerves, often causing weakness, numbness, and pain, typically in the hands and feet.

Local Heat Application

A therapeutic method used to relieve pain or accelerate healing wherein heat is applied to a specific area of the body.

Vasodilatation

The widening of blood vessels, which decreases blood pressure and increases blood flow to certain areas of the body.

Piloerection

The involuntary erection or standing up of hairs on the skin due to cold, fear, or emotional stimuli, commonly known as goosebumps.