Using An $\alpha$ = 004 a Confidence Interval for a Population Proportion Is Determined

question 5

Multiple Choice

Using an $\alpha$ = 0.04 a confidence interval for a population proportion is determined to be 0.65 to 0.75. If the level of significance is decreased, the interval for the population proportion

• A)becomes narrower
• B)becomes wider
• C)does not change
• D)remains the same

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Definitions:

Placebo Effect

A beneficial effect produced by a placebo drug or treatment, which cannot be attributed to the properties of the placebo itself, and must therefore be due to the patient's belief in it.

Experimenter Effect

The influence that the experimenter's behavior, expectations, or personality may have on the outcomes of a psychological experiment.

Critical Thinking

The process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and evaluating information to reach an answer or conclusion.

Authority

The power or right to give orders, make decisions, and enforce obedience, often held by figures or institutions in leadership positions.