Using the Descriptives, ANOVA, and multiple comparisons tables, which of the following statements s true of Group 1's mean FIQ score? Group 1's mean FIQ score is higher than Group 2's mean FIQ score Group 1's mean FIQ score is higher than the mean FIQ scores for Groups 2 and 3 Group 2's mean FIQ score is lower than Group 1's mean FIQ score Group 2's mean FIQ score is higher than the mean FIQ scores for Groups 1 and 3 Group 3's mean FIQ score is higher than the mean FIQ scores for Groups 1 and 2 O None of the above

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Group 1: (5-25 years)

Group 2: (26-59 Years)

Group 3: (60-92 Years)

 

Using the Descriptives, ANOVA, and multiple comparisons tables, which of the following statements
is true of Group 1's mean FIQ score?
Group 1's mean FIQ score is higher than Group 2's mean FIQ score
O Group 1's mean FIQ score is higher than the mean FIQ scores for Groups 2 and 3
Group 2's mean FIQ score is lower than Group 1's mean FIQ score
Group 2's mean FlQ score is higher than the mean FIQ scores for Groups 1 and 3
Group 3's mean FIQ score is higher than the mean FIQ scores for Groups 1 and 2
O None of the above
Transcribed Image Text:Using the Descriptives, ANOVA, and multiple comparisons tables, which of the following statements is true of Group 1's mean FIQ score? Group 1's mean FIQ score is higher than Group 2's mean FIQ score O Group 1's mean FIQ score is higher than the mean FIQ scores for Groups 2 and 3 Group 2's mean FIQ score is lower than Group 1's mean FIQ score Group 2's mean FlQ score is higher than the mean FIQ scores for Groups 1 and 3 Group 3's mean FIQ score is higher than the mean FIQ scores for Groups 1 and 2 O None of the above
Oneway
Post Hoc Tests
Descriptives
Multiple Comparisons
WAIS-R full scale IQ
Dependent Variable: WAIS-R full scale IQ
95% Confidence Interval for
Tukey HSD
Mean
Mean
Difference (I-
J)
95% Confidence Interval
Mean
Std. Deviation
Std. Error
Lower Bound
Upper Bound
Minimum
Maximum
5-25 Years
185
107.15
11.946
.878
105.41
108.88
77
146
(1) Subjects age in years
(J) Subiects age in years
Std. Error
Sig.
Lower Bound
Upper Bound
26-59 Years
380
108.40
12.840
.659
107.11
109.70
73
150
5-25 Years
26-59 Years
-1.257
1.115
.497
-3.87
1.36
60-92 Years
185
112.40
12.052
.886
110.65
114.15
81
143
60-92 Years
-5.254
1.293
<.001
-8.29
-2.22
Total
750
109.08
12.572
.459
108.18
109.98
73
150
26-59 Years
5-25 Years
1.257
1.115
.497
-1.36
3.87
60-92 Years
-3.997"
1.115
.001
-6.61
-1.38
60-92 Years
5-25 Years
5.254
1.293
<.001
2.22
8.29
ANOVA
26-59 Years
3.997
1.115
.001
1.38
6.61
WAIS-R full scale IQ
*. The mean difference is significant at the 0.05 level.
Sum of
Squares
df
Mean Square
F
Sig.
Between Groups
2905.502
2
1452.751
9.398
<.001
Homogeneous Subsets
Within Groups
115472.857
747
154.582
Total
118378.359
749
WAIS-R full scale IQ
Tukey HSDa.b
ANOVA Effect Sizes
Subset for alpha = 0.05
Subjects age in years
N
1
2
95% Confidence Interval
Point
Estimate
Lower
Upper
5-25 Years
185
107.15
WAIS-R full scale IQ Eta-squared
108.40
26-59 Years
380
.025
.006
.049
60-92 Years
185
112.40
Epsilon-squared
.022
.004
.046
Omega-squared Fixed-
.022
.004
.046
Sig.
.534
1.000
effect
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 223.175.
Omega-squared
Random-effect
.011
.002
.024
b. The group sizes are unequal. The harmonic mean of
the group sizes is used. Type I error levels are not
guaranteed.
a. Eta-squared and Epsilon-squared are estimated based on the fixed-effect model.
Transcribed Image Text:Oneway Post Hoc Tests Descriptives Multiple Comparisons WAIS-R full scale IQ Dependent Variable: WAIS-R full scale IQ 95% Confidence Interval for Tukey HSD Mean Mean Difference (I- J) 95% Confidence Interval Mean Std. Deviation Std. Error Lower Bound Upper Bound Minimum Maximum 5-25 Years 185 107.15 11.946 .878 105.41 108.88 77 146 (1) Subjects age in years (J) Subiects age in years Std. Error Sig. Lower Bound Upper Bound 26-59 Years 380 108.40 12.840 .659 107.11 109.70 73 150 5-25 Years 26-59 Years -1.257 1.115 .497 -3.87 1.36 60-92 Years 185 112.40 12.052 .886 110.65 114.15 81 143 60-92 Years -5.254 1.293 <.001 -8.29 -2.22 Total 750 109.08 12.572 .459 108.18 109.98 73 150 26-59 Years 5-25 Years 1.257 1.115 .497 -1.36 3.87 60-92 Years -3.997" 1.115 .001 -6.61 -1.38 60-92 Years 5-25 Years 5.254 1.293 <.001 2.22 8.29 ANOVA 26-59 Years 3.997 1.115 .001 1.38 6.61 WAIS-R full scale IQ *. The mean difference is significant at the 0.05 level. Sum of Squares df Mean Square F Sig. Between Groups 2905.502 2 1452.751 9.398 <.001 Homogeneous Subsets Within Groups 115472.857 747 154.582 Total 118378.359 749 WAIS-R full scale IQ Tukey HSDa.b ANOVA Effect Sizes Subset for alpha = 0.05 Subjects age in years N 1 2 95% Confidence Interval Point Estimate Lower Upper 5-25 Years 185 107.15 WAIS-R full scale IQ Eta-squared 108.40 26-59 Years 380 .025 .006 .049 60-92 Years 185 112.40 Epsilon-squared .022 .004 .046 Omega-squared Fixed- .022 .004 .046 Sig. .534 1.000 effect Means for groups in homogeneous subsets are displayed. a. Uses Harmonic Mean Sample Size = 223.175. Omega-squared Random-effect .011 .002 .024 b. The group sizes are unequal. The harmonic mean of the group sizes is used. Type I error levels are not guaranteed. a. Eta-squared and Epsilon-squared are estimated based on the fixed-effect model.
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