According to Hartmann, Pelzel, and Abbott, internal validity refers to the _____:
A) Inferences about the causal connections of independent and dependent variables
B) Appropriateness of inferences made from statistical tests
C) Degree to which variables represent intended constructs
D) Generalizability of study results to other settings, populations, and contexts

Question

Quizplus · Accepted Answer

Internal validity refers to the degree to which a study provides evidence for causality between independent and dependent variables. It is about the accuracy of inferences regarding causal relationships within the study itself. Choice B refers to statistical conclusion validity, choice C refers to construct validity, and choice D refers to external validity.

According to Hartmann, Pelzel, and Abbott, Internal Validity Refers to the _____