The 21st century learning system demands the use of technology in learning instruction. This research focuses on the comparison between the use of android-based-game and blended learning in the Chemistry subject on the hydrocarbon lesson toward students’ self-efficacy and achievement. A quasi-experiment with post-test only design was adopted in this research. A number of 143 eleventh graders from two public senior high schools in Purworejo Regency, Indonesia were selected in a cluster random sampling as the research sample. The sample was classified into three groups depending on the media used, i.e. android-based-game only on face-to-face learning (ABG-FTFL), blended learning only (BL), and both android-based-game and blended learning (ABG-BL). Self-Efficacy Scale (SES) was used to obtain the data of students’ self-efficacy while the hydrocarbon test was used to obtain students’ achievement. One-way Analysis of Variance, Kruskal Wallis test, and descriptive quantity technique were performed in the data analysis, and it is found that the use of these technologies has a significant effect on the students’ self-efficacy and achievement. The use of ABG-BL is better in improving students’ self-efficacy while BL is better in enhancing students’ achievement. Therefore, the use of android-based-game and blended learning can be emphasized as media in chemistry learning to gain better self-efficacy and achievement among students.

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This research aimed to analyse the use of chemistry-on-android (chemondro) game and blended learning that combine the online and face-to-face learning, as the implementation of technology on hydrocarbon topics toward students' selfregulated learning. The online phase of blended learning was conducted using video conference and Learning Management System (LMS). A comparative study has employed in this research. There were three groups of students with a total of 143 students represents from all of the eleventh graders in Purworejo Regency, Indonesia. These three groups of students applied different technology as the media on its learning process. A group which applying 'chemondro' game, a group with blended learning and the last group with the combination between the two. A Self-Regulated Learning Scale (SRLS) was administrated to obtain the data of students' self-regulated learning. These data of students' self-regulated learning were classified into five categories, from excellent to very poor category following the criteria of mean and ideal standard deviation. In addition, one-way ANOVA was used to confirm the results of those analysis. The results of the analysis showed that the profile of students' self-regulated learning on the group that used the 'chemondro' game only as the media was better compared to the other two student groups. This research suggests that the educational game should be widely use in chemistry learning to promote students' self-regulated learning.

Designing learning environment that leads on the improvement of students' motivation becomes crucial for chemistry teachers. The objective of this research was to investigate the effects of collaborative learning-based Science, Technology, Society, and Environment (STSE) towards students' motivation in acid base chemistry lesson. A pre-test post-test non-equivalent control group design was adopted in this quasi-experimental research. Two classes who enrolled in science programme from a public senior high school in Sleman Regency, Yogyakarta, Indonesia were used as the research sample of this study. Through cluster random sampling, one group was devoted as experimental class (N=30) receiving collaborative learning based STSE while the other one as control class (N=32) taught by traditional teaching. A Chemistry Motivation Scale (CMS) was administered as data collection tool of students' motivation before and after the teaching intervention. These data were analysed using descriptive statistics, Mann Whitney U, Kruskal Wallis, and Wilcoxon tests. The findings of this research revealed that there was significantly difference of students' motivation among experimental and control classes. This difference was occurred in favour of experimental class. Moreover, the data of students' motivation on experimental class signified a higher improvement than the control class. Thus, it can be highlighted that collaborative learning based STSE has an effect in improving students' motivation. The result of this study recommends to implement collaborative learning based STSE since it is promising in order to promote students' motivation in learning chemistry.