The Appropriate Correlation Coefficient to Use When One Variable Is

question 16

Multiple Choice

The appropriate correlation coefficient to use when one variable is dichotomous and one is measured on an interval or ratio scale is:

• A)Alpha Coefficient.
• B)Pearson Product-Moment Correlation.
• C)Point-Biserial Correlation.
• D)Spearman Rank-Difference Correlation.

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Definitions:

Sulci

Grooves or furrows on the surface of the brain.

Brain Matter

Tissue making up the brain, categorized into gray matter (neuron cell bodies and dendrites) and white matter (myelinated axon tracts).

Neuroglial Cells

Specialized cells in the nervous system that provide support, protection, and nutrition to neurons, ensuring their proper function.

Myelin Sheath

A fatty layer that surrounds the axons of some nerve cells, providing electrical insulation and improving the speed of nerve impulse transmission.