Suppose That a Particular Pattern of Responses on a Personality

question 165

Multiple Choice

Suppose that a particular pattern of responses on a personality test is characteristic of 95 percent of people with some rare psychological disorder,and 5 percent of normal people.Would it be appropriate to use this test to identify people with that disorder? If not,why not?

• A)Yes, this test would be a valid way to diagnose that disorder.
• B)No. The test will apply the diagnosis to more normal people than people with the disorder.
• C)No. A clinician should be more than 95 percent confident before making a diagnosis.
• D)No. Test results should be used only for research, not for diagnosis.

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Definitions:

Neurotransmitters

Chemicals released by neurons that transmit signals across a chemical synapse, such as from a neuron to a muscle.

Isometric Contraction

A form of muscle contraction where tension is produced without an observable change in muscle length.

Wave Summation

A phenomenon where muscle fiber contractions become stronger and more frequent, leading to a stronger overall muscle contraction.

Effort

The physical or mental energy exerted towards achieving a goal or task.