In a general sense, external validity is concerned with whether research findings from one study can be
a. exhaustingly conclusive
b. reproduced in another study, often under different conditions
c. reproduced in another study, often under the same conditions
d. validated by the National Academy to Advance Scientific Learning
Question 2
Regarding nomothetic explanation, which of the following specific criteria for causality do researchers consider?
a. Two variables must vary togetherthey must be empirically correlated.
b. The cause must occur before the effect.
c. The empirical correlation between cause and effect is not due to some other factor.
d. all of the above