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

question 19

Multiple Choice

The matrix below describes what kind of covariance structure in a multilevel model?
$\left( \begin{array} { c c c c } \sigma _ { 1 } ^ { 2 } & 0 & 0 & 0 \\0 & \sigma _ { 2 } ^ { 2 } & 0 & 0 \\0 & 0 & \sigma _ { 3 } ^ { 2 } & 0 \\0 & 0 & 0 & \sigma _ { 4 } ^ { 2 }\end{array} \right)$

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

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Definitions:

Federal Agency

An administrative unit of the U.S. government that has been created by the Congress to perform specific functions.

Negligence Theory

A legal principle that holds parties liable for harm resulting from their failure to act with the care that a reasonably prudent person would have exercised under similar circumstances.

Nuisance Theory

Nuisance theory refers to a legal principle used to address harm or annoyance caused by one party to another, which can involve both private nuisances between individuals and public nuisances affecting the community.

Strict Liability Theory

A legal doctrine holding an individual or entity liable for damages or harm, regardless of fault or intent.