Table 3.
Results compariosn between text- and graphic-based experiements.
| Measure | Mean | Minimum | Maximum | SD | F | P | |
| Average response time |
|
|
23.94 | .001 | |||
|
|
Text-based | 14.04 | 6.60 | 20.50 | 4.98 |
|
|
|
|
Graphic-based | 12.89 | 5.90 | 19.50 | 4.49 |
|
|
| Average elapsed time per question |
|
5.48 | .047 | ||||
|
|
Text-based | 53.81 | 9.30 | 186.00 | 54.67 |
|
|
|
|
Graphic-based | 34.84 | 9.30 | 82.50 | 25.21 |
|
|
| Correct answer score |
|
|
26.87 | <.001 | |||
|
|
Text-based | 7.60 | 4.00 | 10.00 | 2.32 |
|
|
|
|
Graphic-based | 8.30 | 6.00 | 10.00 | 1.70 |
|
|
| Posttask questionnaire score |
|
7.69 | .02 | ||||
|
|
Text-based | 5.80 | 4.50 | 7.00 | 0.89 |
|
|
|
|
Graphic-based | 6.00 | 4.50 | 7.00 | 1.03 |
|
|
| NASA-TLX a |
|
|
|
|
104.44 | <.001 | |
|
|
Text-based | 31.50 | 10.00 | 48.00 | 14.77 |
|
|
|
|
Graphic-based | 27.20 | 10.00 | 40.00 | 10.64 |
|
|
aNational Aeronautics and Space Administration task load index