Hasiah Mohamed and Azizah Jaafar
Usability of educational computer game, critical usability problems, interface, playability, multimedia
Playability Heuristic Evaluation for Educational Computer Games (PHEG) has been developed to evaluate educational computer games during the iterative process. There are five heuristics involved; interface, educational elements, content, playability and multimedia. Involvement of expert evaluators shows promising result in identifying usability problems of educational computer games. The problems found need to be rated based on the severity scale provided. In order to analyze the critical problems found, a new analysis approach was introduced. A function to calculate the critical usability problems and the presentation of the result in percentage appears to be valuable for developers to grasp the problems that occur with educational computer games that are still in the development process. Result shows the most critical problems found was from Educational Elements heuristics and the percentage value was 85.71%. The least critical problems found were in Playability heuristic and the value was 45.45%. Mean value (68.43%) of the overall analysis can be used as an indicator for overall critical usability problems found in educational computer games.
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