Abstract
The purpose of this study was to develop teaching materials for Organic Chemistry 2 by using an android-based STEM approach, analyze the readability of teaching materials and determine student learning outcomes. This research belongs to the R&D type of the Borg and Gall model. This research was starting from the research and information gathering stage, planning, developing the initial product format, validation testing, initial product revision, field testing, product revision of field test results. The research subjects were undergraduate students of Chemistry Education who took organic chemistry courses 2. The instruments in this research were a material expert validation questionnaire, media expert validation and evaluation test sheets. The results showed that the teaching materials developed were considered feasible by the material expert validators with a percentage score of 93.33% and media experts 95.67%. The data from the readability test of teaching materials averaged 92.38 with a very good category. Student learning outcomes pretest and posttest scores increased from 55.56 to 78.61, the N-gain value was 0.51875 in the medium category. Based on this, it can be concluded that organic chemistry 2 teaching materials using an android-based STEM approach are very feasible and can improve student learning outcomes.
Highlights
Seat of learning, especially the Faculty of Teacher Training and Education (FKIP) as educational institutions that produce teachers are responsible for preparing quality human resources
The results of the interviews show that the lecturers have never made and used teaching materials such as modules or e-books, lecturers still use power point and use several applications in learning such as e-learning, WhatsApp Group (WAG) and google classroom
Based on the results of the feasibility test analysis by a number of experts, organic lipid chemistry teaching materials are included in the category of teaching materials that are very feasible to use with an average of 93.33 or the validity criteria are very valid. These results indicate that teaching materials can be used for the stage
Summary
Especially the Faculty of Teacher Training and Education (FKIP) as educational institutions that produce teachers are responsible for preparing quality human resources. FKIP in this case the Chemistry Education Study Program must be able to prepare qualified graduates, able to compete globally and able to master the latest technological developments. Infrastructure is indispensable to support learning, especially in the industrial era 4.0 which requires information technology, big data analysis, product digitization, so it is expected to be able to produce graduates who are skilled in aspects of data literacy, technological literacy and human literacy. The latest innovation breakthroughs are able to increase industrial productivity and give rise to many companies based on digital technology [1]. The development of teaching materials that carried out will be tried on organic chemistry courses in digital form using an approach/model, so as to increase motivation, learning outcomes and student’s digital literacy skills. It is necessary to apply several approaches, media and methods in learning in accordance with previous research which states that there is a correlation between variations in methods, media and learning resources on student competencies/learning outcomes [2]
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