a) Which variable is the IV (factor) Which is the DV b) What is your research hypothesis (i e , which group do you think is more extroverted and why) c) Examine the means and standard deviations, does it appear that there are group differences Who appears to be more extroverted d) What is the sig or p value of Levene's test Is there a violation of the homogeneity of variance assumption e) What is the result of the omnibus ANOVA test Report the F, df, and p values f) What is the value of eta squared and interpret what it means g) Interpret the F test result Can you reject the null hypothesis base on the p (sig) value Should you interpret the post hoc comparisons Why or why not If yes, what are the results of the post hoc test Descriptives Social Extroversion 95 Confidence Interval for Mean N Mean Std Deviation Std Error Lower Bound Upper Bound Minimum Maximum Blond 6 5 17 2 787 1 138 2 24 8 09 2 10 Brunet 6 3 67 1 211 494 2 40 4 94 2 5 Redhead 6 2 33 1 033 422 1 25 3 42 Total 18 3 72 2 109 497 2 67 4 77 1 10 Tests of Homogeneity of Variances Levene Statistic df1 df2 Sig Social Extroversion Based on Mean 1 520 IN 15 250 Based on Median 1 373 15 283 NN Based on Median and 1 373 7 609 310 with adjusted df Based on trimmed mean 1 388 2 15 280 ANOVA Social Extroversion Sum of Squares df Mean Square F Sig Between Groups 24 111 2 12 056 3 511 056 Within Groups 51 500 15 3 433 Total 75 611 17 ANOVA Effect Sizesa,b Point 95 Confidence Interval Estimate Lower Upper Social Extroversion Eta squared 319 000 546 Epsilon squared 228 133 486 Omega squared Fixed 218 125 471 effect Omega squared 122 059 308 Random effect a Eta squared and Epsilon squared are estimated based on the fixed effect model b Negative but less biased estimates are retained, not rounded to zero Post Hoc Tests Multiple Comparisons Dependent Variable Social Extroversion Mean 95 Confidence Interval Difference (1 (1) Hair Color (J) Hair Color Std Error Sig Lower Bound Upper Bound Tukey HSD Blond Brunet 1 500 1 070 365 1 28 4 28 Redhead 2 833 1 070 045 05 5 61 Brunet Blond 1 500 1 070 365 4 28 1 28 Redhead 1 333 1 070 446 1 45 4 11 Redhead Blond 2 833 1 070 045 5 61 05 Brunet 1 333 1 070 446 4 11 1 45 Dunnett C Blond Brunet 1 500 1 241 2 54 5 54 Redhead 2 833 1 213 1 11 6 78 Brunet Blond 1 500 1 241 5 54 2 54 Redhead 1 333 650 78 3 45 Redhead Blond 2 833 1 213 6 78 1 11 Brunet 1 333 650 3 45 78 The mean difference is significant at the 0 05 level Homogeneous Subsets Social Extroversion Subset for alpha 0 05 Hair Color N 2 Tukey HSDa Redhead 2 33 Brunet 3 67 3 67 Blond 6 5 17 Sig 446 365 Means for groups in homogeneous subsets are displayed a Uses Harmonic Mean Sample Size 6 000

Question

a) Which variable is the IV (factor)  Which is the DV  b) What is your research hypothesis  (i e , which group do you think is more extroverted and why) c) Examine the means and standard deviations, does it appear that there are group differences  Who appears to be more extroverted  d) What is the sig  or p value of Levene's test  Is there a violation of the homogeneity of variance assumption  e) What is the result of the omnibus ANOVA test  Report the F, df, and p values  f) What is the value of eta squared and interpret what it means  g) Interpret the F test result  Can you reject the null hypothesis base on the p (sig) value  Should you interpret the post hoc comparisons  Why or why not  If yes, what are the results of the post hoc test  Descriptives Social Extroversion 95  Confidence Interval for Mean N Mean Std  Deviation Std  Error Lower Bound Upper Bound Minimum Maximum Blond 6 5 17 2 787 1 138 2 24 8 09 2 10 Brunet 6 3 67 1 211 494 2 40 4 94 2 5 Redhead 6 2 33 1 033 422 1 25 3 42 Total 18 3 72 2 109 497 2 67 4 77 1 10 Tests of Homogeneity of Variances Levene Statistic df1 df2 Sig  Social Extroversion Based on Mean 1 520 IN 15 250 Based on Median 1 373 15 283 NN Based on Median and 1 373 7 609 310 with adjusted df Based on trimmed mean 1 388 2 15 280 ANOVA Social Extroversion Sum of Squares df Mean Square F Sig Between Groups 24 111 2 12 056 3 511 056 Within Groups 51 500 15 3 433 Total 75 611 17 ANOVA Effect Sizesa,b Point 95  Confidence Interval Estimate Lower Upper Social Extroversion Eta squared 319 000 546 Epsilon squared  228   133 486 Omega squared Fixed  218  125 471 effect Omega squared 122    059 308 Random effect a  Eta squared and Epsilon squared are estimated based on the fixed effect model  b  Negative but less biased estimates are retained, not rounded to zero Post Hoc Tests Multiple Comparisons Dependent Variable  Social Extroversion Mean 95  Confidence Interval Difference (1  (1) Hair Color (J) Hair Color Std  Error Sig Lower Bound Upper Bound Tukey HSD Blond Brunet 1 500 1 070  365 1 28 4 28 Redhead 2 833 1 070 045  05 5 61 Brunet Blond  1 500 1 070  365 4 28 1 28 Redhead 1 333 1 070 446  1 45 4 11 Redhead Blond 2 833 1 070 045  5 61  05 Brunet  1 333 1 070 446  4 11 1 45 Dunnett C Blond Brunet 1 500 1 241  2 54 5 54 Redhead 2 833 1 213  1 11 6 78 Brunet Blond  1 500 1 241 5 54 2 54 Redhead 1 333 650   78 3 45 Redhead Blond  2 833 1 213 6 78 1 11 Brunet  1 333 650 3 45 78    The mean difference is significant at the 0 05 level  Homogeneous Subsets Social Extroversion Subset for alpha   0 05 Hair Color N 2 Tukey HSDa Redhead 2 33 Brunet 3 67 3 67 Blond 6 5 17 Sig  446  365 Means for groups in homogeneous subsets are displayed  a  Uses Harmonic Mean Sample Size   6 000

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a) Which variable is the IV (factor)? Which is the DV? b) What is your research hypothesis? (i.e., which group do you think is more

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