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Table 3 ANOVA results: model type by dependent variables, all subjects

From: Effectiveness of communication of spatial engineering information through 3D CAD and 3D printed models

Dependent variables

Mean

Overall mean

N

df

F

p

η2

Time to completion (secs)

2D

10.02

10.70

77

74

1.73

0.19

0.045

3D

11.75

Physical

10.33

NASA composite workload (1-100 scale)

2D

33.72

34.26

77

74

0.47

0.63

0.012

3D

36.63

Physical

32.34

Direct work rate (%)

2D

75.55

76.53

77

74

16.77*

<0.00

0.312

3D

66.69

Physical

87.78

Rework rate (%)

2D

3.41

4.38

77

74

0.68

0.51

0.018

3D

5.82

Physical

3.90

  1. *Significant above 95%.