Dr. Paul found that college students between the ages of 18 and 23 performed better on a cognitive task in a low-noise condition than in a high-noise condition. Dr. Ben wants to repeat Dr. Paul's study by adding age as a variable-18-23 and 65-74. He predicts an interaction between the age and noise variables. In this case, Dr. Ben is questioning the _____ validity of the original study.
A)statistical
B)external
C)internal
D)interactional

Question

Quizplus · Accepted Answer

Dr. Ben is questioning the external validity of the original study by examining whether its findings can be generalized to a broader population, in this case, by including an older age group. External validity refers to the extent to which the results of a study can be generalized to other situations and to other people.

Dr Paul Found That College Students Between the Ages of 18