In the Crum and Langer Hotel Experiment

question 505

Multiple Choice

In the Crum and Langer hotel experiment:

• A) all the participants were told that the experimenters were interested in getting information on their health so that they could study ways to improve it.
• B) half the participants were given the health supplement ginkgo biloba and the other half were given a placebo.
• C) all the participants were told that the experimenters were interested in getting information on the working conditions at hotels so that they could study ways to improve safety and reduce injuries.
• D) half the participants were led to believe they were in "poor" physical condition and half were led to believe they were in "excellent" physical condition.

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Definitions:

Stimuli

Any external or internal event or object that influences reactions or responses from a biological organism or system.

Tone Sensitivity

The ability to distinguish different frequencies of sound or musical notes.

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time.

Difference Threshold

The minimum difference between two stimuli required for detection 50 percent of the time. We experience the difference threshold as a just noticeable difference (or jnd).