The SPSS Output Below Is from a Multilevel Model

question 17

Multiple Choice

The SPSS output below is from a multilevel model. What does UN(2,1) estimate?

• A)The variance of residuals
• B)The variance of intercepts
• C)The covariance between intercepts and slopes
• D)The variance of slopes

---

Definitions:

Withdrawal Symptoms

Physical or psychological symptoms that occur after stopping or reducing the intake of a substance (such as drugs or alcohol) on which the body has become dependent.

Stimulants

Drugs that increase the functioning of the nervous system.

Nervous System

The complex network of nerves and cells that transmit signals between different parts of the body, enabling coordination, sensation, and response to internal and external environments.

Psychological Dependence

The feeling that a drug is needed to continue a feeling of emotional or psychological well-being.