Which of the following research situations would be most likely to use an independent-measures design? a. Examine the long-term effectiveness of a stop-smoking treatment by interviewing subjects 2 months and 6 months after the treatment ends. b. Examine the development of vocabulary as a group of children mature from age 2 to age 3. 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.
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Step 1: Identify the research situations that would use an independent-measures design: - Comparing the mathematics skills of 1st grade boys versus 8th grade girls. Show more…
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