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Author Question: One can optimize and strengthen the power of a t test in all of the following ways, EXCEPT a. by ... (Read 10 times)

ec501234

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on: Jun 20, 2018
One can optimize and strengthen the power of a t test in all of the following ways, EXCEPT
 
  a. by using stronger treatments to drive the means of the two groups farther apart.
  b. by decreasing the effect size of the study.
  c. by decreasing the variability within groups.
  d. by increasing the total size of the study.

Question 2

Rather than personally reading the research instructions to each subject, an investigator has the subjects listen to a tape recording of the research instructions. In this case, the researcher is trying to optimize t by
 
  a. driving the means further apart.
  b. decreasing the variability of response within groups.
  c. using a paired t test rather than an independent t test.
  d. increasing the total size of the study.


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AISCAMPING

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Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

b


ec501234

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

cici

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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