The Components of Internal Validity Are A $R ^ { 2 }$

question 28

Short Answer

The components of internal validity are a. a large sample, and BLUE property of the estimator.
b. a regression $R ^ { 2 }$ above $0.75$ and serially uncorrelated errors.
c. unbiasedness and consistency of the estimator, and desired significance level of hypothesis testing.
d. nonstochastic explanatory variables, and prediction intervals close to the sample mean.

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Definitions:

Variables

Elements or factors that can be changed and measured within a scientific experiment.

Negative Correlation

A statistical relationship between two variables such that as one variable increases, the other decreases.

Psychological Disorder

Deviant, distressful, and dysfunctional patterns of thoughts, feelings, and actions.

Degree of Wealth

A measure of the amount of financial assets or resources that an individual, family, or organization possesses.