Mobile Information Systems / 2016 / Article / Tab 5

Research Article

A Mobile Application That Allows Children in the Early Childhood to Program Robots

Table 5

Usability goal outcomes.

Usability attributeUsability goalUsability outcome

LearnabilityAverage time to complete a challenge the first time = 11.7 minutes (between 10 and 30 minutes)Successful
Average time of training = 30 minutes (between 30 and 60 minutes)Successful
EfficiencyPercentage of successful challenges = 33% (>70%)Unsuccessful
Average time to complete one challenge = 11.6 minutes (between 10 and 20 minutes)Successful
MemorabilityPercentage of correct answers about the application = 93% (>80%)Successful
ErrorsAverage of errors = 4.3 (between 5 and 10 errors)Successful
Average recovery errors = 0.7, 16% of total errors (>60%)Unsuccessful
SatisfactionLike = 100% (>65)Successful
Easy = 64% (>65)Unsuccessful

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