Applying Statistical Inference: An Example A researcher discovered that antibiotic therapy is more effective in treating chronic ulcer than conventional medication.Since he knows this finding challenges conventional wisdom, he decides to use a strict evaluation criterion.The risk of committing a Type 1 error will be lowest if he chooses
A)p

Question

Applying Statistical Inference: An Example A researcher discovered that antibiotic therapy is more effective in treating chronic ulcer than conventional medication.Since he knows this finding challenges conventional wisdom, he decides to use a strict evaluation criterion.The risk of committing a Type 1 error will be lowest if he chooses
A)p < .01.
B)p < .03.
C)p < .05.
D)p < .10.

Quizplus · Accepted Answer

A stricter evaluation criterion (lower p-value) will reduce the risk of committing a Type 1 error, which in this case would mean rejecting the null hypothesis (that there is no difference between antibiotic therapy and conventional medication in treating chronic ulcer) when it is actually true. Choosing a significance level of p < .01 would be the most cautious approach to ensure that the researcher only rejects the null hypothesis if there is very strong evidence against it.

Applying Statistical Inference: an Example a Researcher Discovered That Antibiotic