When Constructing a Confidence Interval, the "Margin of Error" Means

question 33

Multiple Choice

When constructing a confidence interval, the "margin of error" means that if there is no bias:

• A) every sample taken will come at least this close to the truth.
• B) about half of the samples taken will come at least this close to the truth.
• C) about 95 percent of all samples taken will come at least this close to the truth.
• D) the sampling method is biased. Otherwise, the poll would always give the correct answer.
• E) there are serious nonsampling errors. Otherwise, the poll would always give the correct answer.

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Definitions:

Systematic Desensitization

A behavioral therapy technique used to gradually expose a patient to a feared stimulus to reduce the anxiety response.

Control Group

In an experiment, the group not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment

Exposure Therapies

Psychological treatments involving repeated exposure to feared stimuli to reduce the fear response.

Client-centered Therapists

Therapists who practice a form of psychotherapy that emphasizes the importance of the therapeutic relationship and the client's potential for self-directed growth.