After a study showed a significant effect, the researchers believed it would be best to repeat or replicate the study so asto have greater confidence that the effect was real and reliable.They are doing this in order to guard against the possibility that:

Question

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Replicating or repeating a study is done in order to guard against the possibility that a Type I error occurred in the original study. This means that the effect found in the original study may have been due to chance or some other factor, and not actually a real effect. By replicating the study, researchers can ensure that the effect is real and reliable. A Type II error would occur if the original study failed to find a real effect that actually exists, and this is not a concern in this situation. The power of the original study is also not a concern, as the decision to replicate the study is based on the significant effect that was found, indicating that the study had sufficient power to find the effect. The idea of a spurious effect due to too much power is also not relevant in this situation.

After a Study Showed a Significant Effect, the Researchers Believed