Question: Suppose that we use a correctly conducted randomized experiment to test the effect of a treatment. Results indicated that the p-value was p=0.02 for a

Suppose that we use a correctly conducted randomized experiment to test the effect of a treatment. Results indicated that the p-value was p=0.02 for a test of the null hypothesis that the treatment had no effect. Of the following choices, which is the best characterization of the results from this experiment?

Hint: p-values are measures of evidence against the null hypothesis. A p-value of 1 indicates no evidence against the null hypothesis, and smaller p-values indicate more evidence against the null hypothesis, with a p-value of 0 indicating infinitely strong evidence against the null hypothesis. The conventional p-value threshold in political science is p=0.05.

Group of answer choices

A. The experiment provided no evidence the treatment had an effect.

B. The experiment provided some evidence the treatment had an effect.

C. The experiment provided sufficient evidence that the treatment had an effect.

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