Question

What is Internal Validity? Which one is correct?

a. It is making sure that the conclusions about a causal inference of a study are actually due to the connection between the independent variable and the dependent variable and not due to other variables.

b. When we design studies, we should think of them as they relate tow we see external relationship to internal relationships and vice versa

c. It is the level of a theory’s generalizability to other situations similar to those of the study. In a sense, it is that findings of a study can offer understanding to other similar situations.

Answer 1

Internal Validity defines the degree of confidence to which an experimental evidence supports any claim for a research study.

Which one is correct?

Answer - It is making sure that the conclusions about a causal inference of a study are actually due to the connection between the independent variable and the dependent variable and not due to other variables.

Reason - Within the boundaries of the study, internal Validity ensures that the relationship between cause and effect are proved.