Author Question: Which of the following research situations would be most likely to use an independent-measures ... (Read 23 times)

daltonest1984 · **on:** Jun 20, 2018

Which of the following research situations would be most likely to use an independent-measures design?

a. Examine the development of vocabulary as a group of children mature from age 2 to age 3.
b. Examine the long-term effectiveness of a stop-smoking treatment by interviewing subjects 2 months and 6 months after the treatment ends.
c. Compare the mathematics skills for 9th-grade boys versus 9th-grade girls.
d. Compare the blood-pressure readings before medication and after medication for a group a patients with high blood pressure.

Question 2

If the 90 confidence interval for is from 40 to 50, then the sample mean is M = 45.

Indicate whether the statement is true or false