PSYCH 3204Q2 - PSYCH 3204 CHAPTER 14 QUIZ 1 In an...

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Unformatted text preview: PSYCH 3204 CHAPTER 14 QUIZ 1. In an experiment using the independent groups design, there are 10 subjects in one group and 12 subjects in the other group. The sampling distribution of t that is appropriate for that experiment is identical to the t distribution that is appropriate for a single sample design with ____ subjects. 21 2. Assuming large between subject variability, which of the following tests is usually the most sensitive ( N held constant)? t test for correlated groups 3. Student's t test for correlated groups really reduces to ____. student's t test for single samples using difference scores 4. In employing a correlated groups design, one possible drawback is ____. reduction in the degrees of freedom Exhibit 14-2 A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month . The following data are recorded. Subject 1 2 3 4 5 6 7 8 After Film 28 29 25 30 25 27 28 24 Baseline 25 28 22 30 26 24 25 22 5. Refer to Exhibit 14-2. The obtained value of the appropriate statistic is ____. 3.13 6. Refer to Exhibit 14-2. The df for determining t crit equal ____. 7 7. Refer to Exhibit 14-2. Using = .05 2 tail , t crit = ____....
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PSYCH 3204Q2 - PSYCH 3204 CHAPTER 14 QUIZ 1 In an...

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