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Is the design between-subjects or within-subjects the


AT) The dataset ADHD Treatment has four scores per subject.
a. Is the design between-subjects or within-subjects? The design is within-subjects.
b. Create an ANOVA summary table.
Ho: there is no significant difference between the means of the four groups.
H1: there is significant difference between the means of the four groups.
Anova: Single Factor
SUMMARY
Groups
Count
Sum
Average
Variance
D0
24
954
39.75
128.0217
D15
24
952
39.66667
83.44928
D30
24
1064
44.33333
138.5797
D60
24
1073
44.70833
151.7808
ANOVA
Source of Variation
SS
df
MS
F
P-value
F crit
Between Groups
557.6146
3
185.8715
1.481545
0.224747
2.703594
Within Groups
11542.13
92
125.4579
Total
12099.74
95

Since, p-value = 0.224747 which is greater than alpha (0.05), I don't

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Anonymous user

2/6/2016 6:34:07 AM

This assignment is based on the dataset ADHD Treatment has four scores per subject. a. Can be the design between-subjects or within-subjects? The design is within-subjects. b. Generate an ANOVA summary table. Ho: there is no important dissimilarity between the means of the four groups. H1: there is important dissimilarity between the means of the 4 groups.