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Development of Alkane-based Derivative Compound Modules Augmented Reality to Improve Students^ Spatial Ability and Mastery of Concepts 1Pendidikan IPA Program Pasca Sarjana, Universitas Pakuan, Bogor, Indonesia Abstract Students often have difficulty understanding complex and abstract chemical concepts, especially at the submicroscopic level. This study aims to produce the application of StaAR (Alkane Derivative Compounds Augmented Reality) on the concept of alkane derived compounds to improve students^ spatial abilities and mastery of concepts. The StaAR application was developed using the Research and Development method with an Analysis, Design, Development, Implementation and Evaluation (ADDIE) design. Spatial ability is measured using multiple choice tests and descriptive tests which cover aspects of spatial relationships, spatial orientation and visual spatial. Improved spatial ability and mastery of concepts were tested using a one-group pretest-posttest design with a sample size of 60 students. Data was collected using assessment sheets on the StaAR modules and applications, spatial ability tests, concept mastery tests and learning effectiveness. The data obtained were analyzed descriptively quantitatively. The results of the StaAR application validation test were suitable for use with a value of 3.05 by material experts, very feasible with a value of 3.64 by media experts and 0.97 for CVI scores by teachers. The test results in learning show that the StaAR application is able to improve spatial abilities in the high category with an N-Gain value of 0.87 and in the medium category with an N-Gain value of 0.59 for mastery of concepts. Student response was also measured through a questionnaire and was considered quite good with 81.55% giving a positive response. Keywords: Augmented Reality, Spatial Ability, Mastery of Concepts Topic: Education for sustainable development |
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