In a T-Test to Determine Whether Analgesia or a Placebo

question 22

Multiple Choice

In a t-test to determine whether analgesia or a placebo provide pain relief, the t-value obtained for the two-tailed probability p is found to be a low number at p = .042. What can be deduced about this result?

• A) There is a 4.2% chance that the null hypothesis will be true.
• B) There is a 2.1% chance that the null hypothesis will be true.
• C) There is a 4.2% chance that the null hypothesis will be false.
• D) There is a 2.1% chance that the null hypothesis will be false.

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