Appendix: ANOVA (RBF-22): Task x Interface - Performance

SPSS Output

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20 cases accepted.

0 cases rejected because of out-of-range factor values.

1 case rejected because of missing data.

1 non-empty cell.

1 design will be processed.

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* * * * * * A n a l y s i s o f V a r i a n c e -- design 1 * * * * * *

Tests of Between-Subjects Effects.

Tests of Significance for T1 using UNIQUE sums of squares

Source of Variation SS DF MS F Sig of F
WITHIN+RESIDUAL 4935.24 19 259.75
CONSTANT 419196.01 1 419196.01 1613.85 .000

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Tests involving 'TASKS' Within-Subject Effect.

Tests of Significance for T2 using UNIQUE sums of squares

Source of Variation SS DF MS F Sig of F
WITHIN+RESIDUAL 6189.74 19 325.78
TASKS 46.51 1 46.51 .14 .710

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Tests involving 'TOOLS' Within-Subject Effect.

Tests of Significance for T3 using UNIQUE sums of squares

Source of Variation SS DF MS F Sig of F
WITHIN+RESIDUAL 3828.14 19 201.48
TOOLS 108.11 1 108.11 .54 .473

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* * * * * * A n a l y s i s o f V a r i a n c e -- design 1 * * * * * *

Tests involving 'TASKS BY TOOLS' Within-Subject Effect.

Tests of Significance for T4 using UNIQUE sums of squares

Source of Variation SS DF MS F Sig of F
WITHIN+RESIDUAL 1600.64 19 84.24
TASKS BY TOOLS 40.61 1 40.61 .48 .496

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