If We Use Spearman Rank Coefficient Correlation, What Are the Levels

question 27

Multiple Choice

If we use Spearman rank coefficient correlation, what are the levels of measurement for both independent and dependent variables?

• A)nominal and nominal
• B)nominal and ordinal
• C)ordinal and ordinal
• D)interval and interval

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Definitions:

Raphe Nuclei

A group of nuclei found in the brain stem involved in the regulation of sleep and mood, among other functions.

Neurotransmitters

Neurotransmitters are chemical messengers that transmit signals across a chemical synapse, from one neuron to another target neuron, muscle cell, or gland cell.

Serotonin

A neurotransmitter in the brain involved in regulating mood, appetite, and sleep among other functions.

Acetylcholine

A neurotransmitter involved in many functions including muscle movement, heart rate, memory, and also acts as a neuromodulator in the central and peripheral nervous systems.