Which of the following is TRUE?
A)External validity is concerned with the issue of whether or not the specific treatment in which the researchers are interested has actually brought about the effect they have observed.
B)A consumer good purchase experiment conducted in a mock-up store is more externally valid than the same experiment in a real store setting.
C)External validity deals with the problem of projecting one's results from the experimental setting to the real world.
D)Both a and c.
E)a,b,and c.

Question

Quizplus · Accepted Answer

External validity is concerned with the generalizability of research findings to real-world settings. This choice accurately describes this concept. A is incorrect because it refers to treatment validity, which is concerned with whether the manipulation of the independent variable actually causes the observed effects. B is incorrect because a real store setting is generally more externally valid than a mock-up store since it more closely resembles real-world conditions. D and E are incorrect for the reasons stated above.

Which of the Following Is TRUE