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 9^th-grade boys versus 9^th-grade girls D)Compare the blood-pressure readings before medication and after medication for a group a patients with high blood pressure

Question

Quizplus · Accepted Answer

An independent-measures design involves comparing two separate groups, such as boys versus girls in this case, rather than measuring the same group at different time points (A), comparing the same group before and after treatment (D), or interviewing the same subjects at different time points (B).

Which of the Following Research Situations Would Be Most Likely