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ANALISIS MISKONSEPSI PESERTA DIDIK DALAM MEMAHAMI KONSEP KIMIA DENGAN MENGGUNAKAN TES DIAGNOSTIK TTMC Deni Ebit Nugroho; Mohammad Agus Prayitno
Jurnal Education and Development Vol 9 No 1 (2021): Vol.9.No.1.2021
Publisher : Institut Pendidikan Tapanuli Selatan

Miskonsepsi seringkali terjadi pada mata pelajaran yang bersifat abstrak. Beberapa materi yang terdapat pada mata pelajaran Kimia bersifat abstrak, seperti materi bilangan kuantum dan konfigurasi elektron. Salah satu cara yang dilakukan untuk mengetahui tingkat miskonsepsi siswa terhadap materi perlu dilakukan penelitian dengan menggunakan tes diagnostik three tier multiple choice (TTMC). Tes diagnostic TTMC pada materi bilangan kuantum dan konfigurasi elektron belum banyak dikembangkan, sehingga pengembangan tes diagnostik TTMC pada materi bilangan kuantum dan konfigurasi elektron perlu disusun terlebih dahulu. Pengembangan instrumen soal tes diagnostic TTMC pada penelitian ini dilakukan melalui tiga tahap, yaitu pengembangan butir soal, validasi butir soal, dan ujicoba butir soal kepada peserta didik. Hasil penelitian diperoleh 21 butir soal valid dan reliabel dengan nilai CVR 1.00. Miskonsepsi tertinggi pada materi bilangan kuantum dan konfigurasi elektron ditemukan pada sub konsep menentukan seperangkat bilangan kuantum dari suatu orbital. Perbedaan miskonsepsi tertinggi antara kelas X IPA dan X imersi terdapat pada sub konsep menentukan seperangkat bilangan kuantum dari elektron pada tingkat energi tertinggi.

Student's Chemical Bonds Concept: Rasch Model Analysis Sri Mulyanti; Deni Ebit Nugroho; Lenni Khotimah Harahap
IJCER (International Journal of Chemistry Education Research) VOLUME 7, ISSUE 1, April 2023
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijcer.vol7.iss1.art6

This study was conducted to measure students' conceptual understanding of chemical bonds. The test through an online form includes a two-level test—a total of 50 students who have studied chemical bonds as research subjects. The method used is quantitative through analysis with the dichotomous Rasch model. A total of seven sub-concepts of chemical bonds have been tested on students through a two-level test, namely questions, and reasons. The questions given were declared valid and reliable according to the Rasch model. The concept that is considered the most difficult for students is the description of orbitals and molecular hybridization

MISCONCEPTION DIAGNOSTIC IN QUANTUM NUMBER MATERIALS AND ELECTRON CONFIGURATION Mohammad Agus Prayitno; Deni Ebit Nugroho
Jurnal Pendidikan (Teori dan Praktik) Vol 8 No 1 (2023): Vol. 8 No. 1 (2023): Volume 8, Nomor 1, April 2023
Publisher : Fakultas Ilmu Pendidikan Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jp.v8n1.p9-15

The purpose of this research is to design a four-tier diagnostic test instrument on electron configurations and quantum numbers that can be used to analyze misconceptions. The four-level diagnostic test instrument is an assessment instrument that functions to assess students' conceptual comprehension in understanding a subject matter. The four tier test has four levels, namely knowledge questions, confidence questions in completing questions, reasons for answering questions, and confidence in giving reasons. This study uses a descriptive qualitative method with the stages of analyzing the problem, collecting data, product design, validating the design, and conducting instrument trials. The results showed that the designed diagnostic instruments were feasible and reliable. Instrument test results indicate that indicator a) determines the magnitude of the four quantum numbers (n,ℓ,mℓ, ms) in an orbital; b) identify the characteristics and functions of the azimuth quantum number (ℓ); c) determine the spin magnetic quantum number (ms) of the electron in the orbital; and d) determine the spin magnetic quantum number (ms) of a single electron in an orbital, which is the most misunderstood.

MISCONCEPTION DIAGNOSTIC IN QUANTUM NUMBER MATERIALS AND ELECTRON CONFIGURATION Mohammad Agus Prayitno; Deni Ebit Nugroho
Jurnal Pendidikan (Teori dan Praktik) Vol 8 No 1 (2023): Vol. 8 No. 1 (2023): Volume 8, Nomor 1, April 2023
Publisher : Fakultas Ilmu Pendidikan Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jp.v8n1.p9-15

The purpose of this research is to design a four-tier diagnostic test instrument on electron configurations and quantum numbers that can be used to analyze misconceptions. The four-level diagnostic test instrument is an assessment instrument that functions to assess students' conceptual comprehension in understanding a subject matter. The four tier test has four levels, namely knowledge questions, confidence questions in completing questions, reasons for answering questions, and confidence in giving reasons. This study uses a descriptive qualitative method with the stages of analyzing the problem, collecting data, product design, validating the design, and conducting instrument trials. The results showed that the designed diagnostic instruments were feasible and reliable. Instrument test results indicate that indicator a) determines the magnitude of the four quantum numbers (n,ℓ,mℓ, ms) in an orbital; b) identify the characteristics and functions of the azimuth quantum number (ℓ); c) determine the spin magnetic quantum number (ms) of the electron in the orbital; and d) determine the spin magnetic quantum number (ms) of a single electron in an orbital, which is the most misunderstood.

Development of Communication and Creativity Competency Assessment Instruments in The Chempreneurship Course Mohammad Agus Prayitno; Ani Rusilowati; Wiwi Isnaeni; Deni Ebit Nugroho
Journal of Educational Chemistry (JEC) Vol 5, No 1 (2023)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.1.15223

This study aims to develop and produce an instrument for assessing students' communication skills and creativity in the Chempreneurship course. This research is a development research that uses the 4D model. This assessment instrument contains a theoretical description, a lattice of communication and creativity skills assessment instruments and communication and creativity skills assessment sheets that have been validated by experts and tested. The results of this study are a communication skills and creativity research instrument that is feasible to use, valid, and reliable. The instrument is declared fit for use if the results of the expert appraisal test with CVI obtain a score of ≥ 0.8. The results of the expert appraisal test for communication instruments with CVI obtained a score of 0.88 and a creativity instrument of 0.90. The results of the development testing of the communication skills instrument obtained 16 items, which were declared valid and reliable with a reliability value of 0.891. The results of the development testing of the creativity instrument show that all items are declared valid and reliable with a reliability value of 0.854. The result of the development instrument is feasible to measure communication skills and creativity.

The Influence of Steam Project-Based Chemistry Learning with the Assistance of Chemsketch on Learning Outcomes and Creative Thinking Ability on Macromolecular Materials Miftahun Nafiul Ummah; Deni Ebit Nugroho
Social, Humanities, and Educational Studies (SHES): Conference Series Vol 6, No 4 (2023): Social, Humanities, and Educational Studies (SHEs): Conference Series
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/shes.v6i4.80876

This research aims to determine the effect of STEAM Project-based chemistry learning assisted by ChemSketch on the learning outcomes and creative thinking abilities of students at SMA N 1 Kendal. This research is quantitative research using the Quasi Experimental method. The quasi experimental design in this research is nonequivalent control group design. Samples were taken using cluster random sampling technique. The population of this study was all students in class XII MIPA SMA N 1 Kendal. Chemistry learning using the STEAM Project approach has a moderate effect in improving student learning outcomes as evidenced by the t-test value of the difference between two average learning outcomes of 0.031 (sig. (2 tailed) < 0.05) which means Ha is accepted and the Effect Size test of 0.53. Meanwhile, the STEAM Project approach in this research had no effect on students' creative thinking abilities due to the lack of variety of questions and limited time during learning. This is proven by the t-test, the difference between the two average creative thinking abilities is 0.109 (sig. (2 tailed) > 0.05).

The Effect of Using Devlabs Learning Media on Improving Students' Understanding of Concepts on Buffer Solution Materials Deni Ebit Nugroho; Rania Nurul Khasanah
Social, Humanities, and Educational Studies (SHES): Conference Series Vol 6, No 4 (2023): Social, Humanities, and Educational Studies (SHEs): Conference Series
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/shes.v6i4.81282

Media pembelajaran belum dimanfaatkan secara optimal menjadi salah satu penyebab rendahnya pemahaman konseptual siswa. Salah satu media pembelajaran yang dapat digunakan untuk membantu mengoptimalkan kemampuan dalam mengingat dan memahami suatu materi yaitu media develabs. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan media pembelajaran devlabs terhadap peningkatan pemahaman konsep siswa pada materi larutan penyangga. Penelitian ini merupakan jenis penelitian quasi ekperimental research dengan desain non-equivalent control group design. Penelitian ini dilakukan di SMA N 1 Kaliwungu Kendal, sampel pada penelitian ini adalah siswa kelas XI MIPA 3 dan XI MIPA 5. Teknik sampling yang digunakan yaitu claster random sampling. Teknik analisis data pada penelitian ini yaitu analisis pemahaman konsep, uji perbedaan dua rata-rata, uji pihak kanan, dan uji effect size. Hasil penelitian menunjukkan terjadi peningkatan pemahaman konsep siswa setelah menggunakan media pembelajaran devlabs dengan uji independent sampel t-test yaitu 0,000 < 0,05. Hasil uji effect size sebesar 3,80% dengan Kategori “tinggi”.

Analysis of Groundwater Quality in Rental Flats use Physical and Chemical Parameters Mohammad Agus Prayitno; Putut Marwoto; Sigit Priyatmoko; Deni Ebit Nugroho
Jurnal Penelitian Pendidikan IPA Vol. 9 No. 11 (2023): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i11.3452

The purpose of this study was to determine the physical and chemical quality of the groundwater in the Jerakah flats area and to determine the feasibility of the water as drinking water. This research was physically carried out by analyzing groundwater samples from the rented flats of the Jerakah sub-district based on the physical parameters of the air, including taste, color, smell, temperature, turbidity, and dissolved solids (TDS) as well as chemical parameters consisting of the degree of acidity. (pH), Nitrate Content (NO3-), Nitrite (NO2-), Hardness (CaCO3), Iron (Fe), Lead (Pb), Manganese (Mn), Zinc (Zn), Sulfate (SO42-), Cadmium (Cd), and Chromium (Cr). The results showed that the groundwater in the Jerakah flats had a normal pH, colorless, tasteless, odorless, low turbidity, and high dissolved solids (TDS). The levels of iron (Fe), manganese (Mn), chromium (Cr), zinc (Zn), cadmium (Cd), lead (Pb), and hardness are below the maximum hygienic sanitary limits. Manganese (Mn), Cadmium (Mn), Lead (Pb) levels exceed the maximum limit for drinking water. The groundwater in the Jerakah flat is suitable for use for hygienic sanitation, such as bathing and washing, but not suitable for drinking.

Analysis of Groundwater Quality in Rental Flats use Physical and Chemical Parameters Mohammad Agus Prayitno; Putut Marwoto; Sigit Priyatmoko; Deni Ebit Nugroho
Jurnal Penelitian Pendidikan IPA Vol 9 No 11 (2023): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i11.3452

The purpose of this study was to determine the physical and chemical quality of the groundwater in the Jerakah flats area and to determine the feasibility of the water as drinking water. This research was physically carried out by analyzing groundwater samples from the rented flats of the Jerakah sub-district based on the physical parameters of the air, including taste, color, smell, temperature, turbidity, and dissolved solids (TDS) as well as chemical parameters consisting of the degree of acidity. (pH), Nitrate Content (NO3-), Nitrite (NO2-), Hardness (CaCO3), Iron (Fe), Lead (Pb), Manganese (Mn), Zinc (Zn), Sulfate (SO42-), Cadmium (Cd), and Chromium (Cr). The results showed that the groundwater in the Jerakah flats had a normal pH, colorless, tasteless, odorless, low turbidity, and high dissolved solids (TDS). The levels of iron (Fe), manganese (Mn), chromium (Cr), zinc (Zn), cadmium (Cd), lead (Pb), and hardness are below the maximum hygienic sanitary limits. Manganese (Mn), Cadmium (Mn), Lead (Pb) levels exceed the maximum limit for drinking water. The groundwater in the Jerakah flat is suitable for use for hygienic sanitation, such as bathing and washing, but not suitable for drinking.

Pengembangan Media Pembelajaran Mobile Learning Terintegrasi Augmented Reality dan Unity of Sciences Materi Stoikiometri Lenni Khotimah Harahap; Deni Ebit Nugroho
Journal of The Indonesian Society of Integrated Chemistry Vol. 14 No. 1 (2022): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v14i1.15962

Development of the Mobile Learning Based on Augmented Reality and Unity of Sciences at Stoichiometry Lessons Penelitian ini merupakan penelitian pengembangan dengan model ADDIE (analysis, design, development, implementation, evaluation). Tujuan penelitian ini adalah untuk mengetahui kelayakan dari media pembelajaran yang dikembangkan. Pada penelitian pengembangan ini, materi stoikiometri diintegrasikan dengan Augmented Reality dan Unity of Sciences. Untuk menguji kelayakan dilakukan oleh 3 validator yakni ahli materi dan ahli media. Instrumen yang digunakan adalah angket. Angket tersebut meliputi angket kelayakaan dari segi media dan angket kelayakan dari segi materi. Berdasarkan hasil penelitian diperoleh bahwa presentase untuk aspek tampilan yakni 81,94%, presentase aspek pemrograman yakni 80,00% dan presentase pada aspek keterpaduan isi materi yakni 82,77%. Sehingga rata-rata persentase kelayakan baik dari penilaian aspek media dan materi adalah 81,77% dengan kategori sangat layak.

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