A researcher plans to conduct a research study comparing two treatment conditions with a total of 20 participants. Which of the following designs would produce 20 scores in each treatment? -A...

A researcher plans to conduct a research study comparing two treatment conditions with a total of 20 participants. Which of the following designs would produce 20 scores in each treatment?

-A repeated-measures design

-All of the given options would produce 20 scores in each treatment.

-An independent-measures design

-None of the other options would produce 20 scores in each treatment.

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

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

-Examine the long-term effectiveness of a stop-smoking treatment by interviewing subjects 2 months and 6 months after the treatment ends.

-Compare the blood-pressure readings before medication and after medication for a group a patients with high blood pressure.

-Examine the development of vocabulary as a group of children mature from age 2 to age 3.

11. The attached image is the t-statistic equation for:

-independent samples t-test

-dependent (paired) samples t-test

-one sample t-test

-can be used for all of the above

Extracted text: (М — Ma) — (и - на) M2) – (41 – H2) t S(M1 – M2)

Jun 11, 2022

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