TABLE VI

Summary of Variation
For Arithmetical Ability

SOURCE SUM OF
SQUARES		 DEGREES OF
FREEDOM		 MEAN
SQUARES		 F

Ages

23.36

1

23.36

None

Educations

8.03

1

8.03

None

Therapies

25.39

2

12.70

None

A x E

12.25

1

12.25

None

A x T

77.06

2

38.53

None

E x T

126.39

2

63.20

1.70*

Residual

171.16

2

85.58

2.31*

TOTAL BETWEEN

443.64

11

40.33

None

Random Sequence

16.73

2

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Residual

1001.61

22

45.53

1.07*
TOTAL WITHIN

1018.34

24

42.43

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GRAND TOTAL

1461.98

35

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* Non-significant difference