An FMRI Can Detect Brain Activity Because

question 106

Multiple Choice

An fMRI can detect brain activity because

• A) oxygenated blood is more prominent in areas that are active.
• B) sodium is prominent in areas that are less active.
• C) parts of the hindbrain are more magnetic during low activity.
• D) parts of the midbrain are more magnetic during high activity.

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Definitions:

Internal Consistency Reliability

A measure of the extent to which all parts or items of a survey or test contribute equally to the overall score, often assessed with Cronbach's alpha.

Parallel Forms Reliability

A measure of reliability used to assess the consistency of the results of two tests constructed in the same way from the same content domain.

Test-Retest Reliability

The consistency of measurements or scores when the same test is administered to the same participants under the same conditions at different times.

True Scores

Theoretical values that accurately reflect the actual attribute or ability measured, devoid of any measurement error or bias.