A definition of internal validity is
A)the estimator of the causal effect being unbiased and consistent
B)the estimator of the causal effect being efficient
C)inferences and conclusions being generalized from the population to other populations
D)OLS estimation being available in your statistical package

Question

Quizplus · Accepted Answer

Internal validity refers to the extent to which an experiment or study measures what it is supposed to measure. In this case, choice A refers to the unbiased and consistent measurement of the causal effect, which is a key aspect of internal validity. Choices B, C, and D do not directly relate to internal validity.

A Definition of Internal Validity Is