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...

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. Compare the mathematics skills for 9th grade boys versus...