You are on an Institutional Animal Care and Use Committee (IACUC) at your school. You receive a ...

You are on an Institutional Animal Care and Use Committee (IACUC) at your school. You receive a request to run an animal study where the power will be .40. Do you approve the study?
 
  a. Yes; this indicates the study has a 60 chance of obtaining a significant result
  b. No; this indicates the study has only a 40 chance of obtaining a significant result.
  c. Yes; this indicates the results will be incorrect only 40 of the time.
  d. No; this indicates the study has a 40 chance of missing the significant result.

Question 2

What is the easiest way to increase power?
 
  a. redesign the study
  b. decrease the error variance
  c. use different statistical tests
  d. increase the sample size

Question 3

The probability of rejecting a false null hypothesis is called
 
  a. statistics.
  b. power.
  c. statistical significance.
  d. prediction.

Question 4

Power is defined as the
 
  a. probability of rejecting a true null hypothesis.
  b. probability of accepting a false null hypothesis.
  c. probability of rejecting a false null hypothesis.
  d. Power is not related directly to the null hypothesis.