Descriptives Crashes N Mean Std Deviation Std Error 95 Confidence Interval for Mean Minimum Maximum Lower Bound Upper Bound Adolescents (14 18 years old) 12 6 67 2 839 820 4 86 8 47 1 10 Young Adults (19 22 years old) 12 4 58 1 379 398 3 71 5 46 1 6 Adults (24 29 years old) 12 3 67 2 015 582 2 39 4 95 0 7 Total 36 4 97 2 455 409 4 14 5 80 0 10 Test of Homogeneity of Variances Levene Statistic df1 df2 Sig Crashes Based on Mean 2 792 2 33 076 Based on Median 2 362 2 33 110 Based on Median and with adjusted df 2 362 2 28 480 112 Based on trimmed mean 2 678 2 33 084 ANOVA Crashes Sum of Squares df Mean Square F Sig Between Groups 56 722 2 28 361 6 068 006 Within Groups 154 250 33 4 674 Total 210 972 35 Robust Tests of Equality of Means Crashes Statistic a df1 df2 Sig Welch 4 324 2 20 385 027 Brown Forsythe 6 068 2 25 424 007 a Asymptotically F distributed Multiple Comparisons Dependent Variable Crashes Tukey HSD (I) Developmental Age Group (J) Developmental Age Group Mean Difference (I J) Std Error Sig 95 Confidence Interval Lower Bound Upper Bound Adolescents (14 18 years old) Young Adults (19 22 years old) 2 083 883 061 08 4 25 Adults (24 29 years old) 3 000 883 005 83 5 17 Young Adults (19 22 years old) Adolescents (14 18 years old) 2 083 883 061 4 25 08 Adults (24 29 years old) 917 883 558 1 25 3 08 Adults (24 29 years old) Adolescents (14 18 years old) 3 000 883 005 5 17 83 Young Adults (19 22 years old) 917 883 558 3 08 1 25 The mean difference is significant at the 0 05 level Crashes Tukey HSD a Developmental Age Group N Subset for alpha 0 05 1 2 Adults (24 29 years old) 12 3 67 Young Adults (19 22 years old) 12 4 58 4 58 Adolescents (14 18 years old) 12 6 67 Sig 558 061 Means for groups in homogeneous subsets are displayed a Uses Harmonic Mean Sample Size 12 000 Answer the following questions 1 Interpret the results of the Tukey HSD post hoc test In your response, indicate which developmental groups are significantly different from each and explain how they are different from one another 2 Write a brief one paragraph report in APA Style summarizing the results of the study in Part 1 of your assignment Report the ANOVA results in correct statistical notation, include a measure of effect size, and interpret the post hoc test results Finally, provide at least one sentence interpreting the findings (i e Do the results show that adolescents engage in more risky driving behaviors when a peer is present than young adults or adults )

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Descriptives Crashes N Mean Std. Deviation Std. Error 95% Confidence Interval for Mean Minimum Maximum Lower Bound Upper Bound Adolescents (14-18 years old) 12 6.67

Descriptives
Crashes
	N	Mean	Std. Deviation	Std. Error	95% Confidence Interval for Mean	Minimum	Maximum
Lower Bound	Upper Bound
Adolescents (14-18 years old)	12	6.67	2.839	.820	4.86	8.47	1	10
Young Adults (19-22 years old)	12	4.58	1.379	.398	3.71	5.46	1	6
Adults (24-29 years old)	12	3.67	2.015	.582	2.39	4.95	0	7
Total	36	4.97	2.455	.409	4.14	5.80	0	10

Test of Homogeneity of Variances
	Levene Statistic	df1	df2	Sig.
Crashes	Based on Mean	2.792	2	33	.076
Based on Median	2.362	2	33	.110
Based on Median and with adjusted df	2.362	2	28.480	.112
Based on trimmed mean	2.678	2	33	.084

ANOVA
Crashes
	Sum of Squares	df	Mean Square	F	Sig.
Between Groups	56.722	2	28.361	6.068	.006
Within Groups	154.250	33	4.674
Total	210.972	35

Robust Tests of Equality of Means
Crashes
	Statistic^a	df1	df2	Sig.
Welch	4.324	2	20.385	.027
Brown-Forsythe	6.068	2	25.424	.007
a. Asymptotically F distributed.

Multiple Comparisons
Dependent Variable: Crashes
Tukey HSD
(I) Developmental Age Group	(J) Developmental Age Group	Mean Difference (I-J)	Std. Error	Sig.	95% Confidence Interval
Lower Bound	Upper Bound
Adolescents (14-18 years old)	Young Adults (19-22 years old)	2.083	.883	.061	-.08	4.25
Adults (24-29 years old)	3.000^*	.883	.005	.83	5.17
Young Adults (19-22 years old)	Adolescents (14-18 years old)	-2.083	.883	.061	-4.25	.08
Adults (24-29 years old)	.917	.883	.558	-1.25	3.08
Adults (24-29 years old)	Adolescents (14-18 years old)	-3.000^*	.883	.005	-5.17	-.83
Young Adults (19-22 years old)	-.917	.883	.558	-3.08	1.25
*. The mean difference is significant at the 0.05 level.

Crashes
Tukey HSD^a
Developmental Age Group	N	Subset for alpha = 0.05
1	2
Adults (24-29 years old)	12	3.67
Young Adults (19-22 years old)	12	4.58	4.58
Adolescents (14-18 years old)	12		6.67
Sig.		.558	.061
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 12.000.

Answer the following questions

1. Interpret the results of the Tukey HSD post hoc test. In your response, indicate which developmental groups are significantly different from each and explain how they are different from one another.

2. Write a brief one-paragraph report in APA Style summarizing the results of the study in Part 1 of your assignment. Report the ANOVA results in correct statistical notation, include a measure of effect size, and interpret the post hoc test results. Finally, provide at least one sentence interpreting the findings (i.e. Do the results show that adolescents engage in more risky driving behaviors when a peer is present than young adults or adults?)