Virtual World is a new technology which offers an advantage for educational field and research area. Educational courseware can be developed in this new emerging technology such as in Second Life program. How to evaluate the effectiveness of the courseware in this immerse program become a challenge. Thus this report suggests a way of evaluating a course module presentation in Virtual World. Summative and formative researches are combined in this research. In formative research, an observation,

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... ilot student's questionnaire and comments from subject matter expert is used during development of the courseware. For summative research, test and student's questionnaire are used. The questionnaire evaluation includes several criteria such as demographic, user knowledge and abilities, usability, aesthetic, efficacy, presence, problems and recommendations.