Research Article
A Mobile Application That Allows Children in the Early Childhood to Program Robots
Table 6
Usability goal outcomes.
| Usability attribute | Usability goal | Usability outcome |
| Learnability | Average time to complete a challenge the first time = 10.9 minutes (between 10 and 30 minutes) | Successful
| Average time of training = 43.7 minutes (between 30 and 60 minutes) | Successful | Efficiency | Percentage of successful challenges = 88% (>70%) | Successful | Average time to complete one challenge = 18 minutes (between 10 and 20 minutes) | Successful | Memorability | Percentage of correct answers about the application = 100% (>80%) | Successful | Errors | Average of errors = 3.4 (between 5 and 10 errors) | Successful | Average recovery errors = 2.3, 69% of total errors (>60%) | Successful | Satisfaction | Like = 100% (>65) | Successful | Easy = 83% (>65) | Successful |
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