Develompment of Web-Based Interactive e-Module to Improve the Ability of Symbolic Representation of Chemical Bonding Material
Abstract
Abstract: Develompment Of Web-Based Interactive E-Module to Improve The Ability to Symbolically Represent on Chemical Bonding Materials. Chemical bonds are one of the abstract chemistry materials in high school. This is because when studying chemical bonds, students cannot observe directly how the original forms of ions, atoms and bonds occur. Students can understand chemical bond material when they have symbolic representation abilities, so teaching materials are needed that can support students symbolic representation abilities, one of which is e-modules. The purpose of this study is to describe the feasibility of the e-module. This study used the Research & Development model with data analysis techniques, descriptive analysis and the Wilcoxon test. The results of the expert validation show that nine indicators on content validity, eleven indicators on construct validity, and seven indicators on the readability test all get valid categories. the practicality of the module reached a value of 95.5%, while the analysis of the effectiveness of the e-module used the Wilcoxon test because the data was not normally distributed, the Asymp.Sig.(2-tailed) value was 0.005. The conclusion is that this web-based interactive e-module on chemical bond material can be said to be feasible.
Keywords: e-module, web, symbolic representations.
Abstrak:Pengembangan E-Modul Berbasis Web untuk Meningkatkan Representasi Simbolik pada Materi Ikatan Kimia. Ikatan kimia merupakan salah satu materi kimia di SMA yang bersifat abstrak. Hal ini dikarenakan ketika mempelajari ikatan kimia, peserta didik tidak dapat mengamati secara langsung bagaimana bentuk asli ion, atom, dan ikatan yang terjadi. Peserta didik dapat memahami materi ikatan kimia ketika memiliki kemampuan representasi simbolik, maka diperlukanlah bahan ajar yang dapat menunjang kemampuan representasi simbolik bagi peserta didik, salah satunya adalah e-modul. Tujuan dari penelitian ini adalah untuk mendeskripsikan kelayakan e-modul. Penelitian ini menggunakan model Research & Development dengan teknik analisis data modus, analisis deskriptif dan uji wilcoxon. Hasil validasi ahli menunjukkan sembilan indikator pada validitas isi, sebelas indikator pada validitas konstruk, dan tujuh indikator pada uji keterbacaan semuanya mendapatkan kategori valid. kepraktisan modul mencapai nilai 95.5%, sedangkan analisis keefektifan e-modul digunakan uji wilcoxon karena data tidak berdistribusi normal didapatkan nilai Asymp.Sig.(2-tailed) 0,005. Kesimpulannya adalah e-modul interaktif berbasis web pada materi ikatan kimia ini dapat dikatakan layak.
Kata kunci: e-modul, web, representasi simbolik..
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