Advances in Human-Computer Interaction / 2014 / Article / Tab 4

Research Article

User-Centric Design for Mathematical Web Services

Table 4

Descriptive statistical analysis.

QuestionsMedianModeRangeStandard deviation
MATWSAEPLTMATWSAEPLTMATWSAEPLTMATWSAEPLT

Easy to use4343240.791.04
Buttons access4.5353240.60.97
Efficiency4444240.751.1
Visual appearance5353240.691.07
Easy recovery from errors4.5353240.751.1