We Are About to Test a Hypothesis Using Data from a Well-Designed

question 645

Multiple Choice

We are about to test a hypothesis using data from a well-designed study. Which is true?
I. A small P-value would be strong evidence against the null hypothesis.
II. We can set a higher standard of proof by choosing α = 10% instead of 5%.
III. If we reduce the alpha level, we reduce the power of the test.

• A) none of these
• B) I and III only
• C) I only
• D) III only
• E) II only

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Definitions:

Lateral Geniculate Nuclei

A pair of thalamic nuclei in the brain that act as primary relay centers for visual information received from the retina to the visual cortex.

The Elderly

A term used to describe individuals who are significantly above the typical age of retirement, often considered to be ages 65 and older.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, reduced sensory activity, inhibition of nearly all voluntary muscles, and decreased interactions with surroundings.

Babies

Young infants or very young children, at the earliest stage of their lives.