Suppose a researcher conducts an experiment to test a hypothesis. If she doubles her sample size, which of the following will increase? I. The power of the hypothesis test. II. The effect size of the hypothesis test. III. The probability of making a Type II error. (A) I only (B) II only (C) III only (D) All of the above (E) None of the above Please explain your answering showing how you solved it.

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