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Journal : Edukimia

Pengembangan Aplikasi Media Pembelajaran Berbasis Android pada Materi Larutan Elektrolit dan Nonelektrolit Robiatul Adawiyah; Fajriah Azra
Edukimia Vol 4, No 1 (2022): Edukimia - Vol. 04, Issue 01
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ekj.v4.i1.a333

Abstract

The purpose of this study is to develop the Melonit applications an Android-based learning media on electrolyte and non-electrolyte solutions, and disclose the level of validity of the developed product regarding the validity of the content, construct and media. This type of research is Educational Design Research applying the Plomp development model, which consists of three stages, namely preliminary research, prototyping stage and assessment stage. The research instruments used were in the form of content validity questionnaires, constructs and media and one to one evaluation interview sheets. The results of processing the content and construct validity data were obtained at 0,89 with a valid category. Meanwhile, the validity of the media was obtained at 0,94 with a valid category. Research on android-based learning media applications that have been developed is valid, so that further research can be carried out on the practicality and effectiveness of the applications that have been developed.
Pengembangan Permainan Scrabble Kimia Sebagai Media Pembelajaran Pada Materi Termokimia Kelas XI SMA atau MA Silvinia Humaira; Fajriah Azra
Edukimia Vol 3, No 1 (2021): Edukimia - Vol. 03, Issue 01
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ekj.v3.i1.a230

Abstract

The chemical scrabble game is a variety of learning media in doing practices. This type of research is Research and Development (R and D) with a 4-D model. This research is up to the developing stage with validity and practicality tests. The instrument used was a validity and practicality questionnaire. The validity test was carried out by five validators, while the practicality test was carried out by two chemistry teachers and 20 class XII students. The data analysis techniques used were the Aiken V formula and descriptive statistics. The results of the data analysis show that the chemical scrabble media has a validity of 0.81 showing a valid category, the practicality of the teacher is 89.93 percent belonging to a very practical category and the practicality of students is 83.80 percent belonging to a very practical category, so that the availability of the developed thermochemical scrabble game chemicals can be used as a medium of learning.
Pengembangan Permainan Kartu Domino Kimia sebagai Media Pembelajaran pada Materi Sistem Koloid Kelas XI SMA/MA Riri Wahyuni; Fajriah Azra
Edukimia Vol 4, No 2 (2022): Edukimia - Vol. 04, Issue 02 (July 2022)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ekj.v4.i2.a350

Abstract

The chemistry domino card game is one of learning media variations is useful for strengthening colloid system material for students. The purpose of this Research is determine the level of validity based on the function of the media. The type of this research used is Research and Development (R and D) which uses a 4-D development model, that consist of some stages namely the define, design, develop, and disseminate stage. Validation questionnaire were given to UNP chemistry lecturer and chemistry teacher at SMAN 1 Bonjol. The data analysis technique used Aikens V. The result of data analysis showed that the chemical domino card game as a learning media for colloid system material had a validity level of 0,89 with valid criteria. The result showed that the chemical domino card game developed was a valid.
Deskripsi Model Mental Peserta Didik Menggunakan Tes Diagnostik Four-Tier pada Materi Hidrolisis Garam di SMAN 1 Lengayang Jelita, Nabilah Putri; Azra, Fajriah
Edukimia Vol 6, No 3 (2024): Edukimia - Vol. 06, Issue 03
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ekj.v6.i3.a566

Abstract

Model mental peserta didik sangat penting untuk diidentifikasi, karena dapat mempengaruhi cara berpikir dan bertindak peserta didik dalam menyelesaikan permasalahan terhadap konsep yang diberikan. Model mental juga erat kaitannya dengan pemahaman dalam menghubungkan tiga level representasi kimia. Penelitian ini bertujuan untuk mendeskripsikan model mental peserta didik pada materi hidrolisis garam di SMAN 1 Lengayang. Jenis penelitian ini merupakan penelitian deskriptif dengan pendekatan kualitatif. Sampel yang diambil menggunakan teknik purposive sampling. Instrumen yang digunakan  yaitu tes diagnostik four-tier yang berbasis multirepresentasi kimia. Data yang diperoleh berupa deskripsi model mental peserta didik. Hasil analisis diperoleh bahwa model mental peserta didik sangat beragam, secara keseluruhan untuk tujuan pembelajaran persentase rata-rata model mental peserta didik yaitu Scientific Model, sebanyak 9,72%, Synthesis-Partial Understanding A sebanyak 9,15%, Synthesis-Partial Understanding B sebanyak 31,48%, Synthesis Misconception sebanyak 25,23%,, dan Initial Model sebanyak 24,42%. Persentase rata-rata secara keseluruhan kesesuaian hasil tes diagnostik dengan wawancara peserta didik adalah 89,58%.
Pengembangan Instrumen Tes Diagnostik Four-Tier Hukum Dasar Kimia untuk Mengidentifikasi Model Mental Peserta Didik Fadhillah, Trisa; Azra, Fajriah
Edukimia Vol 6, No 3 (2024): Edukimia - Vol. 06, Issue 03
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ekj.v6.i3.a568

Abstract

Pemahaman Memahami konsep kimia, terutama hukum dasar kimia, sangat penting untuk keberhasilan siswa. Model mental dapat digunakan untuk menggambarkan pemahaman tersebut. Tujuan penelitian ini adalah untuk membuat alat tes diagnostik empat tingkat untuk mengidentifikasi model mental siswa pada materi hukum dasar kimia. Selain itu, mereka juga ingin menguji instrumen tersebut apakah valid atau tidak. Untuk penelitian ini, metode Research and Development (RD) digunakan bersama dengan model pengembangan Treagust. Penelitian ini melibatkan tiga dosen kimia FMIPA UNP, dua guru, dan tiga puluh siswa kelas X Fase E di MAN 2 Kota Padang. Hasil penelitian menunjukkan bahwa instrumen tes diagnostik telah valid dan memenuhi kriteria instrumen, dengan nilai validitas logis rata-rata 0,96, dan reliabilitas pada tingkat pertama dan ketiga masing-masing 0,89 dan 0,86 masing-masing, yang dianggap sangat tinggi.