External Validity Refers to the Degree to Which

External validity refers to the degree to which

A) there can be reasonable certainty that the independent variables in an experiment caused the observed effects on the dependent variables.
B) there can be reasonable confidence that the same results would be obtained for other people and in other situations.
C) participants were assigned to the various conditions on the basis of representative criteria.
D) the experimental situation engages participants and leads them to behave naturally and spontaneously.