All else being equal, a study with higher statistical power will produce narrower 95% confidence limits for the cumulative incidence difference than a similar study with less power.
a. true
b. false

True

Explanation:

Hello! The statement is true. A study with more capacity to influence the public because of his power will have more chances to be successful than a study who can be similar but not promote because the incidence will be low, even if it was a good or similar study.

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i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.