The question,"do our conclusions about a demonstrated experimental relationship truly imply causality?" is addressed by degree of _____ associated with the experiment in question.
A) internal validity
B) external validity
C) reliability
D) statistical significance
E) substantive significance

Question

Quizplus · Accepted Answer

Internal validity refers to how accurately the experiment measures the relationship between two variables without interference from extraneous factors. If an experiment has high internal validity, then the conclusion about the demonstrated experimental relationship implies causality, whereas low internal validity indicates that causality cannot be inferred.

The Question,"do Our Conclusions About a Demonstrated Experimental Relationship Truly