Multiple Choice
Dr.Salt found that college students (ages 18-23) performed better on a cognitive task when tested under a low noise condition than a high noise condition.Dr.Aludard wants to repeat the study by adding age as a variable (18-23 and 65-74) .Dr.Aludard predicts an interaction between the age and noise variables.Dr.Aludard is questioning the _____ validity of the original study.
A) statistical
B) external
C) internal
D) interactional
Correct Answer:
Verified
Correct Answer:
Verified
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