Development and Usability of ‘Gravigame’ in Kepler’s Law Among Physics Trainee Teacher

Abstract

This study aimed to develop a ‘Gravigame’ in Kepler’s law and to evaluate its usability among physics trainee teachers at one of the public universities in Malaysia. This study uses a developmental research design by applying the ADDIE model. The research sample consisted of 30 trainee physics teachers who were randomly selected from seven and eight semesters’ students. Two research instruments were used, namely the expert validation form and usability questionnaire adapted from the USE Questionnaire. Data from the usability questionnaire were analysed descriptively using mean and standard deviation (s.d). Data showed that the developed game has a high validity with 94% of expert agreement. The usability data analyses showed that the ‘Gravigame’ has an overall of mean score 3.81 (s.d = 0.282). The three constructs that represent usability namely usefulness, ease of use and satisfaction are at a good level with the mean score of 3.80, 3.76 and 3.86 respectively. In conclusion, the research has successfully developed a validated ‘Gravigame’ that can be used as a teaching aid. For implication, the ‘Gravigame’ game is suitable for classroom learning, making it easier for teachers to assess students and helping students understand the subtopic of Kepler’s law.