The results of Dr. Koopman's study failed to reach statistical significance, so he replicated the study using a better research design and twice as many participants. He has _____ to avoid the possibility of a Type II error.

Question

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By increasing the number of participants and using a better research design, Dr. Koopman has increased the power of his study, which reduces the risk of a Type II error (failing to reject a false null hypothesis). Simply increasing the level of statistical significance (B) would not necessarily address the root cause of the lack of significance in the original study. Decreasing the power of the study (C) or skewing the data (D) would not be appropriate actions to address a lack of statistical significance.

The Results of Dr