The Matrix Below Describes What Kind of Covariance Structure in a Multilevel

question 13

Multiple Choice

The matrix below describes what kind of covariance structure in a multilevel model?
$\left( \begin{array} { c c c c } \sigma _ { 1 } ^ { 2 } & \sigma _ { 21 } & \sigma _ { 31 } & \sigma _ { 41 } \\\sigma _ { 21 } & \sigma _ { 2 } ^ { 2 } & \sigma _ { 32 } & \sigma _ { 42 } \\\sigma _ { 31 } & \sigma _ { 32 } & \sigma _ { 3 } ^ { 2 } & \sigma _ { 43 } \\\sigma _ { 41 } & \sigma _ { 42 } & \sigma _ { 43 } & \sigma _ { 4 } ^ { 2 }\end{array} \right)$

• A)Variance components
• B)Diagonal
• C)Unstructured
• D)AR(1)

---

Definitions:

Gender

The range of characteristics pertaining to, and differentiating between, masculinity and femininity, largely culturally and socially constructed.

Sexual Activity

Behaviors involving the genitals aimed at deriving erotic pleasure, including intercourse and masturbation, among others.

Perceived Level

An individual's subjective evaluation or estimation of something, such as their own skills or qualities.

Hormonal Levels

Refers to the concentration of hormones in the bloodstream, which can influence physical functions, behaviors, and emotional states.