If Only One of the Independent Variables Has a Measurement

question 15

Multiple Choice

If only one of the independent variables has a measurement error, which of the following is generally true under the classical errors-in-variables (CEV) assumption?

• A)The OLS estimators for coefficients on all other independent variables are also biased towards zero.
• B)The OLS estimators for coefficients on all other independent variables are still unbiased and consistent.
• C)The OLS estimators for coefficients on all other independent variables are also biased and inconsistent.
• D)The OLS estimators for coefficients on all other independent variables are biased but consistent.

---

Definitions:

Foreign Language

A language that is not the native language of the speaker, but that is used in the area where they are living or is commonly studied as a second language.

Memory Fade

The loss or weakening of memory over time, often due to the aging process or lack of mental stimulation.

Levels-Of-Processing Principle

A theory in cognitive psychology suggesting that the depth (shallow to deep) of mental processing affects memory recall, with deeper levels of processing leading to longer-lasting memory retention.

Retroactive Interference

The process by which new information impairs the retrieval of previously learned information.