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Aplia: Student Question s| | | ? + https i' courses.aplia.com/af/serviet/quiz"quiz action-takeQuiz&quiz.probGuld-QNAPC0A8010100000041; Aplia: Student Question News Article Critique: Shanley Codd Do No Harm: 16 Attempts: 1. Comparing and contrasting single-sample and two-condition designs Which of the following experiments describes a single sample experiment? Aa Aa O You want to compare the mean SAT score of students who take a new SAT preparation course to that of students who don't take an SAT preparation course. So you compare the mean SAT score of a randomly selected group of students who took a new SAT preparation course to selected group of students who didn't take an SAT preparation course. the mean SAT score of a randomly O You want to compare the mean number of years lived by chimpanzees that are raised in captivity and fed a strict vegan diet to nonvegan chimpanzees that are also raised in captivity. So you compare the mean number of years lived by a sample of chimpanzees that are raised in captivity and fed a strict vegan diet to the mean number of years lived by the vegan chimpanzees' siblings, that are also raised in captivity but not fed a strict vegan diet O You want to compare the pean SAT scores of students before and after they complete a new SAT preparation course. So you compare the mean SAT scores of a randomly selected group of students before and after they completed a new SAT preparation course. O You want to compare the mean first-month weight gain of a random sample of premature babies to the known u.S. average first-month weight gain for all newborn babies. Which of the following describes an advantage of using a two-condition design over a single sample design? O A two-condition design requires fewer suibjects for the same degrees of freedom than a single sample design O A two-condition design does not require that the researcher specify the value of a population parameter for comparison prior to conducting the experiment. cBookA 2 3 4 5

Explanation / Answer

1. The experiment stated in the 4th option describes a single sample experiment, because we will be taking a random sample of premature babies and compare their weight gain with the well-known US national value of weight gain.

2. The 2nd option states the advantage of using a two-condition design in place of the single sample design.

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