Show all relevant work; use the equation editor in Microsoft Word when necessary. Use the computation formulas for the various sums of squares and summarize results with an ANOVA table.

Show all relevant work; use the equation editor in Microsoft Word when necessary. Use the computation formulas for the various sums of squares and summarize results with an ANOVA table.

1. Chapter 16, numbers 16.9, 16.10, 16.12 and 16.14

2. Chapter 17, numbers 17.6, 17.7, and 17.8

3. Chapter 18, numbers 18.8, 18.11, and 18.12

16.9 Given the aggression scores below for Outcome A of the sleep deprivation experiment, verify that, as suggested earlier, these mean differences shouldn’t be taken seriously by testing the null hypothesis at the .05 level of signal cance. Use the computation formulas for the various sums of squares and summarize results with an ANOVA table.

*16.10 Another psychologist conducts a sleep deprivation experiment. For rea-sons beyond his control, unequal numbers of subjects occupy the differ-ent groups. (Therefore, when calculating in SS between and SS within, you must adjust the denominator term, n, to refl ect the unequal numbers of subjects in the group totals.) (a) Summarize the results with an ANOVA table. You need not do a step-by-step hypothesis test procedure.

(b) If appropriate, estimate the effect size with h2.

(c) If appropriate, use Tukey’s HSD test (with –n 5 4 for the sample size, n) to identify pairs of means that contribute to the signal cant F, given that –X0 5 2.60, –X24 5 5.33, and –X48 5 9.50.

(d) If appropriate, estimate effect sizes with Cohen’s d.

(e) Indicate how all of the above results would be reported in the literature, given sample standard deviations of s 0 5 2.07, s 24 5 1.53, and s 48 5 2.08.

*16.12 For some experiment imagine four possible outcomes, as described in the following ANOVA table.

Explanation & Answer

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