Which of the Following Statements Is True

question 19

Multiple Choice

Which of the following statements is true?

• A)Fixed effects estimation is not suitable when the unobserved cluster effect is correlated with one or more explanatory variables.
• B)Fixed effects approach is not applicable if the key explanatory variables change only at the level of the cluster.
• C)The ordinary least squares standard errors are incorrect when there is cluster effect.
• D)Random effects estimation can be applied to a cluster sample only if the unobserved cluster effect is correlated with one or more explanatory variables.

---

Definitions:

Distributed Across

Spread out or dispersed over a wide area or among many individuals or entities.

Hippocampus

A region of the brain that is associated with memory formation, navigation, and spatial orientation.

Declarative Long-Term Memories

Declarative long-term memories are memories that can be consciously recalled, such as facts and events.

Procedural Memory

A type of long-term memory for how to perform different actions and skills.