How Does Conducting a Double-Blind Study Attempt to Remedy the Expectancy

question 54

Multiple Choice

How does conducting a double-blind study attempt to remedy the expectancy bias?

• A) The experimenter does not know, but the participant does know, what condition the participant is assigned to.
• B) The experimenter and the participant both know what condition the participant is assigned to.
• C) The experimenter knows, but the participant does not know, what condition the participant is assigned to.
• D) Neither the experimenter nor the participant knows what condition the participant is assigned to.
• E) Neither the experimenter nor the participant knows that deception has been used in the study.

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Definitions:

Retrograde Pyelography

A diagnostic imaging test where dye is injected into the bladder and travels up the ureters to the kidneys, used to detect abnormalities.

Specific Gravity

A measure of the density of a substance compared to the density of water.

Urine

A liquid waste product filtered from the blood by the kidneys, excreted through the urethra.

High-Frequency Sound Waves

Sound waves that have a frequency higher than the upper limit of human hearing, used in applications like ultrasound imaging.