psyc 210 exam 2 review

psyc 210 exam 2 review - 1. Which of the following is an...

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1. Which of the following is an example of a situation in which you could conduct a t test for independent means? a. A comparison of the SAT scores of a group of 10 students who completed a special SAT preparation course compared to how people do on the SAT in general. b. A comparison of scores of participants in a memory study in which one group is assigned to learn the words in alphabetical order and another group is assigned to read the words in order of length of the word. c. A comparison of participants’ scores on a skills test before and after attending a training session suspected to improve the skill. d. None of the above are suitable for a t test for independent means. 2. In the formula s diffbtwMeans = M 1 2 s + M 2 2 s = s p 2 N 1 + s p 2 N 2 , what is M 1 2 s ? a. the estimated mean of the distribution of variances of Population 1. b. the variance of the difference scores for Population 1. c. the estimated variance of Population 1.ß d. the variance of the distribution of means for Population 1. 3. Which of the following is different for a
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psyc 210 exam 2 review - 1. Which of the following is an...

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