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Journal : Jurnal Pengajaran MIPA

PENGEMBANGAN CD PEMBELAJARAN INTERAKTIF KIMIA SMA BERBASIS INTERTEKSTUALITAS ILMU KIMIA SEBAGAI ALTERNATIF MODEL PEMBELAJARAN Anwar, Sjaeful
Jurnal Pengajaran MIPA Vol 15, No 1 (2010): JPMIPA: Volume 15, Issue 1, 2010
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v15i1.35989

Abstract

Chemistry learning based on the intertextuality of chemistry demands relationship among chemistry representsation on three levels, which are macrocospic, microscopic, and symbol level with the daily experience of students and the social interaction developed by teachers. Through the research entitled “Pengembangan CD Pembelajaran Interaktif Kimia SMA Berbasis Intertekstualitas sebagai Alternatif Model Pembelajaran”, we will have a learning CD for teachers using competency standard and basic competency; concepts and indicators; the representation of chemistry materials on three levels macroscopic, microscopic, and symbol; learning description; and student work sheet. Before making the learning model, we will execute a standard analysis on the content of KTSP 2006, so we will get the concepts and indicators; potray the learning process of teachers in class and analyse the reference books both text books and hig school books. The data source for this research is the table of according to concept and indicators with competency standard and basic competency; the observation of learning process in class; the analysis table of three levels; hydrolysis materials from text books in high school and university; and the descriptive table of hydrolysis concept learning. The supporting instruments used are quistionaires to know the students expereince and essay texts to know the concept understanding the students have after the learning process. From the standard analysis of the content of KTSP 2006, we have three concepts and eight indicators. The first concept is classifying salt according to the forming compounds with the indicators (1) explain salt coming from strong acid and strong base; (2) explain salt coming from strong acid and weak base; (3) explain salt coming from weak acid and strong base; (4) explaining salt coming from weak acid and weak base. The second concept: hydrolysis is the ions reaction with water molecul producing ion H+ and or OHwith indicators (1) describe salt hydrolysis and (2) explain various kinds of salt hydrolysis. The third concept is salt undergoing hydrolysis can be acid base, or neutral with indicators (1) measure qualitatively the characteristic of acid, base, and neutral of salt by using some indicators and (2) count the ph of hydrolysied salt condensation. The observation result will be recorded on video then transcribed into text and smoothed to be a basic text. After that, we will do propotition degradation to gain global structure. Then, this data will be classified based on the intertextuality of chemistry. From the result of the data analysis we can conclude that the model teacher has not used the learning based on the intertextuality chemistry yet. The learning process of the model teacher is dominated by the symbol level and the social interaction developed by the teacher is not optimal; besides, there is no aspect of daily experience discussed in the learning process. The development of learning model based on intertextuality begins by making hydrolysis material representation in three levels. The compilation of hydrolysis material representation is executed in three steps: analysing high school books and university; making representation device; conducting validation to experts and practitioners; and final revision. In macroscopic level we do demonstration of the condensation and litmus test on soaps, alum, and salt and also the determination pH of the salt by using pH meter. In microscopic level we demonstrate pictures of species salt solution before and after hydrolysis process. Then in symbolic level we demonstrate the formula of salt molecul, ionisation reaction equation and hydrolysis on salt, and mathematic formula in determining the concentration H+ and OHto count pH and pOH. Later on, we make a description of the learning process equiped with learning media; clarify the demonstrations; present the model in front of experts and practitioners; record it in a learning CD. Meanwhile, the application of the learning CD in class will be conducted in the next research in the second year.
PENGEMBANGAN INSTRUMEN PENILAIAN KINERJA PADA PEMBELAJARAN TITRASI ASAM BASA DENGAN METODE PRAKTIKUM Nahadi, Nahadi; Anwar, Sjaeful; Pertiwi, Hanifah Ratih
Jurnal Pengajaran MIPA Vol 21, No 1 (2016): JPMIPA: Volume 21, Issue 1, 2016
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v21i1.36253

Abstract

ABSTRAKPenelitian Research and development (RD) ini bertujuan untuk mengembangkan instrumen penilaian kinerja berupa tugas (task) dan rubrik (rubric) untuk menilai kinerja siswa pada praktikum titrasi asam basa. Subjek penelitian adalah siswa kelas XI IPA di salah satu SMA di Kota Bandung. Instrumen penelitian berupa lembar validasi, format observasi dan pedoman wawancara. Uji validasi dan reliabilitas menunjukan bahwa instrumen penilaian kinerja yang dikembangkan memiliki validitas dan reliabilitas sebesar 0,84 dan 0,91. Hasil penggunaan instrumen penilaian kinerja ini menunjukkan bahwa instrumen ini dapat mengungkap kinerja siswa dalam praktikum titrasi asam basa sehingga kinerja dapat dikategorikan menjadi sangat baik, baik, kurang, atau tidak melakukan setiap tahapan praktikum. Dapat disimpulkan bahwa instrumen penilaian kinerja yang dikembangkan memenuhi syarat sebagai alat evaluasi yang baik untuk menilai kinerja siswa pada praktikum titrasi asam basa.ABSTRACTThe aim of this Research and Development (RD) study was to develop performance assesment instrument in a form of task and rubric to evaluate students’ performance in acid-base titration practicum. Subjects were eleventh-grader science students in one of senior high schools in Bandung. Instruments were validation sheets, observation format, and interview guidelines. Validation and reliability test showed that the performance assesment instrument validity and reliability score were 0.84 and 0.91, respectively. The application of the instrument showed that students’ performance can be uncovered in which it can be categorized as excellent, good, poor, or did not carry out every practicum steps. It can be concluded that the performance assesment instrument can be used as a good assessment tools in evaluating students’ performance in acid-base titration practicum.
THE DEVELOPMENT OF INTERACTIVE LEARNING CD IN CHEMISTRY FOR HIGH SCHOOLS BASED ON INTERTEXTUALITY AS A LEARNING MODEL ALTERNATIVE Anwar, Sjaeful; Sonjaya, Yaya; Wiji, Wiji
Jurnal Pengajaran MIPA Vol 16, No 2 (2011): JPMIPA: Volume 16, Issue 2, 2011
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v16i2.36044

Abstract

ABSTRACT The study application of intertextuality learning model using the CD learning has been conducted in 3 high schools, SMA A, SMA B, and SMA C, during on May 2010. Selection of these three schools are expected to represent the school with low quality to high quality. During the process of learning trials take place, students can actively follow by providing a good response. From the displays are given, students can grasp the concepts of salt hydrolysis on the material well, although sometimes these views should be given back and forth for three levels of representation can link. In general, students responded well to the implementation of this intertextual learning strategy because it was interested in the learning process is done and easy to understand the concepts provided in a systematic and always connects with concepts already learned. The response of teachers towards the implementation of this intertextual learning model provides a positive outlook, in this case because the learning process undertaken to facilitate teachers to deliver material salt hydrolysis systematically arranged through third-level engagement representations and packaged in a multimedia form so that the concepts presented to received by students in one piece and easy. Application of learning models on material intertextual salt hydrolysis was able to improve the mastery of the concepts in the material. Increasing students' mastery of the concept of material obtained by hydrolysis salt N-gain value calculation, the overall values obtained N-gain of 0.67 which means the implementation of learning strategy on material intertextual hydrolysis of this salt can enhance the mastery of concepts with high criteria. This data also supported students' mental models for dissolution process of various salts. This model was also to increase student motivation in learning. Increased student motivation most high school students owned by C, which in most low pretest value compared other high school.Keyword : intertextuality learning modelABSTRAK Studi aplikasi model pembelajaran intertekstual menggunakan CD pembelajaran telah dilakukan di 3 SMA, yaitu SMA A, SMA B dan SMA C selama bulan Mei 2010. Pemilihan tiga sekolah ini diharapkan dapat mewakili sekolah dengan kualitas rendah sampai kualitas tinggi. Selama proses ujicoba pembelajaran berlangsung, siswa dapat mengikuti secara aktif dengan memberikan respon yang baik. Dari tampilan-tampilan yang diberikan, siswa bisa memahami konsep-konsep pada materi hidrolisis garam dengan baik meskipun terkadang tampilan tersebut harus diberikan secara bolakbalik untuk dapat mempertautkan ketiga level representasi. Secara umum, siswa merespon dengan baik terhadap implementasi strategi pembelajaran intertekstual ini karena merasa tertarik dengan proses pembelajaran yang dilakukan dan memudahkan untuk memahami konsep-konsep yang diberikan secara sistematis dan selalu menghubungkan dengan konsep-konsep yang sudah dipelajari. Tanggapan guru terhadap implementasi strategi pembelajaran intertekstual ini memberikan pandangan yang positif, hal tersebut dikarenakan dengan proses pembelajaran yang dilakukan dapat memudahkan guru untuk menyampaikan materi hidrolisis garam yang disusun secara sistematis melalui pertautan ketiga level representasi dan dikemas dalam bentuk multimedia sehingga konsepkonsep yang disampaikan dapat diterima oleh siswa dengan utuh dan mudah. Aplikasi model pembelajaran intertekstual pada materi hidrolisis garam ternyata mampu meningkatkan penguasaan konsep-konsep pada materi tersebut. Peningkatan penguasaan konsep siswa terhadap materi hidrolisis garam diperoleh berdasarkan perhitungan nilai N-gain, secara keseluruhan diperoleh nilai N-gain sebesar 0,67 yang berarti implementasi strategi pembelajaran intertekstual pada materi hidrolisis garam ini dapat meningkatkan penguasaan konsep dengan kriteria tinggi. Hal ini didukung juga data model mental siswa untuk proses pelarutan berbagai garam. Model ini ternyata juga dapat meningkatkan motivasi siswa dalam pembelajaran. Peningkatan motivasi siswa paling tinggi dimiliki oleh siswa SMA C, yang dalam nilai pretes paling rendah dibandingan SMA lainnya.Kata kunci : model pembelajaran intertekstualitas