User Satisfaction Analysis

Ease of Use

One Way ANOVA

Summary

Group

 N Sum Mean Variance 95% CI
Palm Pilot 18 108 6 4.35 6±0.96
Rocket Book 18 131 7.28 1.74 7.28±0.61
Laptop 18 125 6.94 3.47 6.94±0.86

ANOVA

Source SS df MS F P Fcrit
Between-groups 15.81 2 7.91 2.48 0.09 3.18
Within-groups 162.56 51 3.19      
Total 178.37 53        

Overall Difficulty

One Way ANOVA

Summary

Group

 N Sum Mean Variance 95% CI
Palm Pilot 18 110 6.11 4.22 6.11±0.95
Rocket Book 18 132 7.33 2.35 7.33±0.71
Laptop 18 134 7.44 1.79 7.44±0.62

ANOVA

Source SS df MS F P Fcrit
Between-groups 19.70 2 9.85 3.53 0.04 3.18
Within-groups 142.22 51 2.79      
Total 161.93 53        

T-test

Group Mean   Group Mean   Group Mean
Palm Pilot 6.11   Palm Pilot 6.11   Rocket Book 7.33
Rocket Book 7.33   Laptop 7.44   Laptop 7.44
               
T -2.02   T -2.31   T -0.23
df 34   df 34   df 34
T0 2.03   T0 2.03   T0 2.03
P 0.051   P 0.03   P 0.82

Scroll Diffculty

One Way ANOVA

Summary

Group

 N Sum Mean Variance 95% CI
Palm Pilot 18 119 6.61 4.49 6.61±0.98
Rocket Book 18 144 8 1.65 8±0.59
Laptop 18 117 6.5 5.68 6.5±1.10

ANOVA

Source SS df MS F P Fcrit
Between-groups 25.15 2 12.57 3.19 0.05 3.18
Within-groups 200.78 51 3.94      
Total 225.93 53        

T-test

Group Mean   Group Mean   Group Mean
Palm Pilot 6.61   Palm Pilot 6.61   Rocket Book 8.00
Rocket Book 8.00   Laptop 6.50   Laptop 6.50
               
T -2.38   T 0.15   T 2.35
df 34   df 34   df 34
T0 2.03   T0 2.03   T0 2.03
P 0.02   P 0.88   P 0.02

Screen Size

One Way ANOVA

Summary

Group

 N Sum Mean Variance 95% CI
Palm Pilot 18 77 4.28 3.39 4.28±0.85
Rocket Book 18 123 6.83 2.26 6.83±0.70
Laptop 18 147 8.17 0.97 8.17±0.46

ANOVA

Source SS df MS F P Fcrit
Between-groups 140.59 2 70.30 31.84 0.00 3.18
Within-groups 112.61 51 2.21      
Total 253.20 53        

T-test

Group Mean   Group Mean   Group Mean
Palm Pilot 4.28   Palm Pilot 4.28   Rocket Book 6.83
Rocket Book 6.83   Laptop 8.17   Laptop 8.17
               
T -4.56   T -7.90   T -3.14
df 34   df 34   df 34
T0 2.03   T0 2.03   T0 2.03
P 0.00   P 0.00   P 0.0034

Font Readability

One Way ANOVA

Summary

Group

 N Sum Mean Variance 95% CI
Palm Pilot 18 84 4.67 3.41 4.67±0.85
Rocket Book 18 135 7.50 1.56 7.50±0.58
Laptop 18 150 8.33 0.59 8.33±0.35

ANOVA

Source SS df MS F P Fcrit
Between-groups 133 2 66.50 35.89 0.00 3.18
Within-groups 94.5 51 1.85      
Total 227.5 53        

T-test

Group Mean   Group Mean   Group Mean
Palm Pilot 4.67   Palm Pilot 4.67   Rocket Book 7.50
Rocket Book 7.50   Laptop 8.33   Laptop 8.33
               
T -5.39   T -7.77   T -2.41
df 34   df 34   df 34
T0 2.03   T0 2.03   T0 2.03
P 0.00   P 0.00   P 0.021

Portability

One Way ANOVA

Summary

Group

 N Sum Mean Variance 95% CI
Palm Pilot 18 153 8.50 2.15 8.50±0.68
Rocket Book 18 112 6.22 2.77 6.22±0.77
Laptop 18 85 4.72 3.86 4.72±0.91

ANOVA

Source SS df MS F P Fcrit
Between-groups 130.26 2 65.13 22.26 0.00 3.18
Within-groups 149.22 51 2.93      
Total 279.48 53        

T-test

Group Mean   Group Mean   Group Mean
Palm Pilot 8.50   Palm Pilot 8.50   Rocket Book 6.22
Rocket Book 6.22   Laptop 4.72   Laptop 4.72
               
T 4.36   T 6.54   T 2.47
df 34   df 34   df 34
T0 2.03   T0 2.03   T0 2.03
P 0.00   P 0.00   P 0.02