Descriptives WAIS-R full scale IQ 95% Confidence Interval for Mean Post Hoc Tests Std. Deviation Std. Error Lower Bound Upper Bound N Mean Minimum Maximum 5-25 Years 185 107.15 11.946 878 105.41 108. 88 77 146 26-59 Years 380 108.40 12.840 109.70 150 Multiple Comparisons 659 107.11 73 60-92 Years 185 112.40 12.052 886 110.65 114.15 81 143 Dependent Variable: WAIS-R full scale 1Q Total 750 109.08 12.572 459 108.18 109.98 73 150 LSD Mean Difference (I- J) 95% Confidence Interval ANOVA (J) Subjects age in years Si. Lower Bound Upper Bound WAIS-R full scale 1Q (1) Subjects age in years Std. Error Sum of 5-25 Years 26-59 Years -1.257 1.115 260 -3.44 93 Squares s df Mean Square Sig -5.254 60-92 Years 1.293 <.001 -7.79 -2.72 Between Groups 2905.502 2 1452.751 9.398 <01 26-59 Years 5-25 Years 1.257 1.115 260 -.93 3.44 Within Groups 115472.857 747 154.582 60-92 Years -3.997 1.115 <.001 -6.19 -1.81 Total 118378.359 749 60-92 Years 5-25 Years 5.254 1.293 < 001 2.72 7.79 ANOVA Effect Sizes" 26-59 Years 3.997 1.115 <.001 1.81 6.19 Point 95% Confidence Interval * The mean difference is significant at the 0.05 level. Estimate Lower Upper WAIS-R full scale 10 Eta-squared .025 006 .049 Epsilon-squared 022 .004 046 Omega-squared Fixed- effect 022 .004 046 Omega-squared Random-effect .011 .002 024 a. Eta-squared and Epsilon-squared are estimated based on the fixed-effect model.
Descriptives WAIS-R full scale IQ 95% Confidence Interval for Mean Post Hoc Tests Std. Deviation Std. Error Lower Bound Upper Bound N Mean Minimum Maximum 5-25 Years 185 107.15 11.946 878 105.41 108. 88 77 146 26-59 Years 380 108.40 12.840 109.70 150 Multiple Comparisons 659 107.11 73 60-92 Years 185 112.40 12.052 886 110.65 114.15 81 143 Dependent Variable: WAIS-R full scale 1Q Total 750 109.08 12.572 459 108.18 109.98 73 150 LSD Mean Difference (I- J) 95% Confidence Interval ANOVA (J) Subjects age in years Si. Lower Bound Upper Bound WAIS-R full scale 1Q (1) Subjects age in years Std. Error Sum of 5-25 Years 26-59 Years -1.257 1.115 260 -3.44 93 Squares s df Mean Square Sig -5.254 60-92 Years 1.293 <.001 -7.79 -2.72 Between Groups 2905.502 2 1452.751 9.398 <01 26-59 Years 5-25 Years 1.257 1.115 260 -.93 3.44 Within Groups 115472.857 747 154.582 60-92 Years -3.997 1.115 <.001 -6.19 -1.81 Total 118378.359 749 60-92 Years 5-25 Years 5.254 1.293 < 001 2.72 7.79 ANOVA Effect Sizes" 26-59 Years 3.997 1.115 <.001 1.81 6.19 Point 95% Confidence Interval * The mean difference is significant at the 0.05 level. Estimate Lower Upper WAIS-R full scale 10 Eta-squared .025 006 .049 Epsilon-squared 022 .004 046 Omega-squared Fixed- effect 022 .004 046 Omega-squared Random-effect .011 .002 024 a. Eta-squared and Epsilon-squared are estimated based on the fixed-effect model.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Groups: 1 = 5-25 years, 2 = 26-59 years, 3 = 60-92 years
What does LSD testing reveal about Group 2?
Group of answer choices:
1. Group 2 has significantly lower FIQ than Group 1
2. Group 2 has significantly lower FIQ than Groups 1 or 3
3. Group 2 has significantly lower FIQ than Group 3
4. Group 2 does not differ in FIQ from Groups 1 or 3
5. Group 2 does not differ in FIQ from Group 1
6. a and c
7. b and d
8. c and e
![### Analysis of Variance (ANOVA) for WAIS-R Full Scale IQ
#### Descriptive Statistics
- **Age Groups**:
- **5-25 Years**:
- N = 185
- Mean = 107.15
- Std. Deviation = 11.946
- 95% Confidence Interval for Mean: [105.41, 108.88]
- Score Range: 77 to 146
- **26-59 Years**:
- N = 380
- Mean = 108.40
- Std. Deviation = 12.480
- 95% Confidence Interval for Mean: [106.44, 110.37]
- Score Range: 73 to 150
- **60-92 Years**:
- N = 185
- Mean = 111.55
- Std. Deviation = 14.191
- 95% Confidence Interval for Mean: [109.54, 114.15]
- Score Range: 81 to 150
- **Total**:
- N = 750
- Mean = 109.08
- Std. Deviation = 12.572
#### ANOVA Results
- **Sum of Squares**:
- Between Groups = 2905.502
- Within Groups = 115472.857
- Total = 118378.359
- **df**:
- Between Groups = 2
- Within Groups = 747
- Total = 749
- **Mean Square**:
- Between Groups = 1452.751
- **F Statistic** = 9.398
- **Significance (Sig.)** = <.001, indicating a significant difference between group means.
#### ANOVA Effect Sizes
- **Eta-squared**:
- Point Estimate = .025
- Confidence Interval [0.009, 0.049]
- **Epsilon-squared**:
- Point Estimate = .022
- Confidence Interval [0.004, 0.046]
- **Omega-squared (Fixed-effect)**:
- Point Estimate = .022
- Confidence Interval [0.009, 0.044]
- **Omega-squared](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe35994fe-d8c0-45c7-9118-90ec9be42bc8%2Fbd6a7b23-74d8-445f-9d67-050ef21c654b%2Fslpl7l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Analysis of Variance (ANOVA) for WAIS-R Full Scale IQ
#### Descriptive Statistics
- **Age Groups**:
- **5-25 Years**:
- N = 185
- Mean = 107.15
- Std. Deviation = 11.946
- 95% Confidence Interval for Mean: [105.41, 108.88]
- Score Range: 77 to 146
- **26-59 Years**:
- N = 380
- Mean = 108.40
- Std. Deviation = 12.480
- 95% Confidence Interval for Mean: [106.44, 110.37]
- Score Range: 73 to 150
- **60-92 Years**:
- N = 185
- Mean = 111.55
- Std. Deviation = 14.191
- 95% Confidence Interval for Mean: [109.54, 114.15]
- Score Range: 81 to 150
- **Total**:
- N = 750
- Mean = 109.08
- Std. Deviation = 12.572
#### ANOVA Results
- **Sum of Squares**:
- Between Groups = 2905.502
- Within Groups = 115472.857
- Total = 118378.359
- **df**:
- Between Groups = 2
- Within Groups = 747
- Total = 749
- **Mean Square**:
- Between Groups = 1452.751
- **F Statistic** = 9.398
- **Significance (Sig.)** = <.001, indicating a significant difference between group means.
#### ANOVA Effect Sizes
- **Eta-squared**:
- Point Estimate = .025
- Confidence Interval [0.009, 0.049]
- **Epsilon-squared**:
- Point Estimate = .022
- Confidence Interval [0.004, 0.046]
- **Omega-squared (Fixed-effect)**:
- Point Estimate = .022
- Confidence Interval [0.009, 0.044]
- **Omega-squared
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