During a clinical study, an investigator tests a new drug for the treatment of breast cancer. A population of 10,000 pat

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During a clinical study, an investigator tests a new drug for the treatment of breast cancer. A population of 10,000 patients with breast cancer is recruited and randomized into a treatment group and control group. Analysis of the data shows a p-value of 0.1 and no significant difference in the treatment outcomes between the experimental group and the control group When repeating this study, which of the following is most likely to decrease the likelihood of making a beta error?

A) Add a second treatment group
B) Conduct the study for a shorter duration
C) Decrease the alpha level
D) Enroll participants with a different type of cancer
E) Increase the sample size