# The iv is sex men vs women the dv is compliance vs

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The IV is sex (men vs. women); the DV is compliance vs. noncompliance with a medication regimen The IV is infant birthweight (low birthweight vs. normal birthweight); the DV is number of days absent from school in first grade
10 points QUESTION 5 For which of the following situations is the dependent groups t-test (paired t-test) appropriate?
10 points QUESTION 6 Suppose we wanted to test the hypothesis that a control group of cancer patients (Group 1) would report higher mean pain ratings than an experimental group receiving special massage treatments (Group 2). Assume that the pooled SD for the two groups is 6.39. Calculate the value of d (effect size). o M1 = 78.5 SD 1 2 = 42.1 n1 =25 o M2 = 72.1 SD 2 2 = 39.7 n2 =25 (Keep 2 decimal places)
10 points QUESTION 7 An effect size of 1.00 is considered...
10 points QUESTION 8 For a post hoc power analysis, d = .60, α = .05 for a two-tailed t test, and the number of people in each of two groups = 30, the power of the t- test is approximately 0.61. What was the risk of a Type II error? 6 points QUESTION 9 For a post hoc power analysis, d = .60, α = .05 for a two-tailed t test, and the number of people in each of two groups = 30, the power of the t- test is approximately 0.61. Approximately what n per group would be needed to achieve power = 0.80? (Hint: table B1) 10 points QUESTION 10
t = 2.40, df = 25, α = .01 The t is statistically significant for a two-tailed test, at the specified alpha
10 points QUESTION 11 t = 2.40, df = 25, α = .05 The t is statistically significant for a two-tailed test, at the specified alpha 2. True 3. False
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