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Repeated Measures Anova

See also, ANOVA, Factorial ANOVA
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1. Repeated Measures ANOVA

Headache Analysis
base treatment average per case
ser w1 w2 w3 w4 w5 avePerCase
1 21 22 8 6 6 12.6
2 20 19 10 4 9 12.4
3 7 5 5 4 5 5.2
4 25 30 13 12 4 16.8
5 30 33 10 8 6 17.4
6 19 27 8 7 4 13
7 26 16 5 2 5 10.8
8 13 4 8 1 5 6.2
9 26 24 14 8 17 17.8
avePerW 20.78 20.00 9.00 5.78 6.78 12.47

Stats
Mean Total 12.47
$\Sigma{X_i}$ 561
$\Sigma{{X_i}^2}$ 10483
# of week 5
# of case (n) 9

SStotal = $\Sigma{(X-\overline{X})^2} $ = 3489.2
SSparticipants = $w\Sigma{(\overline{X}_{participants}-\overline{X})}$ = 833.6
SSweeks = $n\Sigma{(\overline{X}_{week} - \overline{X})}$ = 1934.5
SSresidual
= SSerror
= SStotal - SSparticipants - SSweeks
= 721.1

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2. ie

시각적 인지점수
참가자 No visual distraction Visual distraction Sound Distraction
A 47 22 41
B 57 31 52
C 38 18 40
D 45 32 43



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3. reference

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