Would an Independent-Samples T Test Be Appropriate When Using Three

question 60

Multiple Choice

Would an independent-samples t test be appropriate when using three groups (a control group and two experimental groups) to compare differences on an IQ test? Explain.

• A) Yes; IQ test scores is a scale variable.
• B) Yes; the participants belong to different groups.
• C) No; there are more than two groups.
• D) No; the independent variable should be a scale variable.

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Definitions:

Accidental Brain Injury

Trauma to the brain caused by an unexpected or unintentional external force, leading to temporary or permanent impairment.

Visual Cortex

The part of the cerebral cortex responsible for processing visual information, located in the occipital lobe of the brain.

Occipital Lobes

The rearmost lobe in each cerebral hemisphere of the brain, primarily responsible for processing visual information.

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A condition resulting from surgery that isolates the brain’s two hemispheres by cutting the fibers (mainly those of the corpus callosum) connecting them.