Which System Is Composed of the Brain and Spinal Cord

question 66

Multiple Choice

Which system is composed of the brain and spinal cord?

• A) Central nervous system
• B) Peripheral nervous system
• C) Sympathetic nervous system
• D) Parasympathetic nervous system

---

Definitions:

Internal Reliability

A measure of consistency within a psychological test, indicating how closely related the items in the test are as a group.

Mean

The average score on a scale, calculated by adding everyone’s scores and dividing by the number of scores.

Descriptive Statistics

Numbers such as the mean, median, and mode.

Discriminant Validity

When a scale does not correlate with unrelated scales.