Anova Output

8/2/2019 Anova Output

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SPSS Help 1

Test of Interaction Effect

Ho: There is no interaction between the Hemisphere effect and lesion size

Ha: There is a significant interaction between Hemisphere effect and lesion size

p-value: 0.281

Test statistic and value: 1.305

Test of Hemisphere Effect

Ho: There is no significant difference in unawareness score between the sides of hemisphere effect

Ha: There is significant difference in unawareness score between the sides of hemisphere effect

p-value: 0.421

Test statistic and value: 0.659

Test of Lesion Size

Ho: There is no significant difference in unawareness score between lesion sizes

Ha: is significant difference in unawareness score between lesion sizes

p-value: 0.014

Test statistic and value:4.662

UNIANOVA Unawareness_score BY Hemisphere Lesion_size /METHOD=SSTYPE(3)

/INTERCEPT=INCLUDE /CRITERIA=ALPHA(0.05) /DESIGN=Hemisphere Lesion_sizeHemisphere*Lesion_size.

Univariate Analysis of Variance


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SPSS Help 2

Notes

Output Created 22-Mar-2012 12:43:53

Comments

Input Active Dataset DataSet0

Filter

Weight

Split File

N of Rows in Working Data File 54

Missing Value Handling Definition of Missing User-defined missing values are treated as missing.

Cases Used Statistics are based on all cases with valid data for

all variables in the model.

Syntax UNIANOVA Unawareness_score BY Hemisphere

Lesion_size

/METHOD=SSTYPE(3)

/INTERCEPT=INCLUDE

/CRITERIA=ALPHA(0.05)

/DESIGN=Hemisphere Lesion_size

Hemisphere*Lesion_size.

Resources Processor Time 0:00:00.015

Elapsed Time 0:00:00.029

[DataSet0]

Between-Subjects Factors

N

Hemisphere 1 19

2 35

Lesion_size 2 23

3 14

4 17


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SPSS Help 4

Notes

Output Created 22-Mar-2012 14:16:40

Comments

Input Active Dataset DataSet0

Filter

Weight

Split File

N of Rows in Working Data File 54

Missing Value Handling Definition of Missing User-defined missing values are treated as missing.

Cases Used Statistics are based on all cases with valid data for

all variables in the model.

Syntax UNIANOVA Unawareness_score BY Hemisphere

Lesion_size

/METHOD=SSTYPE(3)

/INTERCEPT=INCLUDE

/POSTHOC=Lesion_size(TUKEY)

/PRINT=ETASQ DESCRIPTIVE

/CRITERIA=ALPHA(.05)

/DESIGN=Hemisphere Lesion_size

Hemisphere*Lesion_size.

Resources Processor Time 0:00:00.046

Elapsed Time 0:00:00.067

[DataSet0]

Between-Subjects Factors

N

Hemisphere 1 19

2 35

Lesion_size 2 23

3 14

4 17


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SPSS Help 5

Descriptive Statistics

Dependent Variable:Unawareness_score

Hemisphe

re

Lesion_siz

e Mean Std. Deviation N

1 2 10.11 1.453 9

3 10.20 1.789 5

4 13.00 1.225 5

Total 10.89 1.912 19

2 2 9.93 1.542 14

3 10.78 1.641 9

4 11.17 3.099 12

Total 10.57 2.227 35

Total 2 10.00 1.477 23

3 10.57 1.651 14

4 11.71 2.779 17

Total 10.69 2.109 54

Tests of Between-Subjects Effects

Dependent Variable:Unawareness_score

Source Type III Sum of Squares df Mean Square F Sig.

Part

Squ

Corrected Model 41.808a 5 8.362 2.071 .085

Intercept 5468.542 1 5468.542 1354.160 .000

Hemisphere 2.662 1 2.662 .659 .421

Lesion_size 37.651 2 18.826 4.662 .014

Hemisphere * Lesion_size 10.540 2 5.270 1.305 .281

Error 193.840 48 4.038

Total 6401.000 54

Corrected Total 235.648 53

a. R Squared = .177 (Adjusted R Squared = .092)


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SPSS Help 6

Post Hoc Tests

Lesion_size

Multiple Comparisons

Unawareness_score

Tukey HSD

(I)

Lesion_siz

e

(J)

Lesion_siz

e Mean Difference (I-J) Std. Error Sig.

95% Confidence Interval

Lower Bound Upper Bound

2 3 -.57 .681 .681 -2.22 1.08

4 -1.71* .643 .028 -3.26 -.15

3 2 .57 .681 .681 -1.08 2.22

4 -1.13 .725 .271 -2.89 .62

4 2 1.71* .643 .028 .15 3.26

3 1.13 .725 .271 -.62 2.89

Based on observed means.

The error term is Mean Square(Error) = 4.038.

*. The mean difference is significant at the .05 level.

Homogeneous Subsets


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SPSS Help 7

Unawareness_score

Tukey HSDa,,b,,c

Lesion_siz

e N

Subset

1 2

2 23 10.00

3 14 10.57 10.57

4 17 11.71

Sig. .683 .231

Means for groups in homogeneous subsets are displayed.

Based on observed means.

The error term is Mean Square(Error) = 4.038.

a. Uses Harmonic Mean Sample Size = 17.268.

b. The group sizes are unequal. The harmonic mean of the

group sizes is used. Type I error levels are not guaranteed.

c. Alpha = .05.

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Anova Output