Emmawaty Sofya
University of Lampung

Published : 44 Documents
Articles

Pengaruh Metode Eksperimen Terhadap Peningkatan Kemampuan Mengkomunikasikan dan Penguasaan Konsep Termokimia Nabilla, Jihan Rifka; Efkar, Tasviri; Sofya, Emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 7, No 3 (2018): Jurnal Pendidikan & Pembelajaran Kimia
Publisher : Universitas Lampung

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Abstract

This research purpose is to described experiment method effect in increasing ability to communicate and thermochemistry concept mastery. This research is using quasi experiment method with pretest-posttest non equivalent control group design. This research population is the students of high school grade XI science in Bandar Lampung. Sampling is using cluster random sampling method, gotten from XI science 1 and 2 as experiment class and control class. The effectiveness of experiment method proved by n-Gain value, and supported with effect size test. The result showing that students value after they done learning with experiment method are increasing and also appropriate with calculation showing that experiment class n-Gain value higher than student value in control class. The calculation also showing that effect size test experiment class is 0,85 including in “big” category. Based on that result, experiment method effective in increasing ability to communicate and students concept mastery on thermochemistry.Keyword: communication, experiment method, concept mastery, thermochemistryPenelitian ini bertujuan untuk mendeskripsikan  pengaruh metode eksperimen dalam meningkatkan kemampuan mengkomunikasikan dan penguasaan konsep termokimia. Penelitian ini menggunakan metode quasi experiment dengan desain pretest-posttest non equivalent control group. Populasi penelitian ini adalah siswa kelas XI IPA di Bandar Lampung. Penentuan sampel menggunakan cluster random sampling, diperoleh kelas XI IPA 1 sebagai kelas eksperimen dan XI IPA 2 sebagai kelas kontrol. Pengaruh metode eksperimen dibuktikan dengan besarnya nilai n-Gain, serta didukung uji ukuran pengaruh. Hasil penelitian menunjukan nilai siswa setelah dilakukan pembelajaran dengan metode eksperimen meningkat, juga sesuai dengan perhitungan yang menunjukan bahwa nilai n-Gain kelas ekperimen lebih tinggi daripada nilai siswa di kelas kontrol. Hasil perhitungan menunjukan bahwa hasil uji pengaruh kelas eksperimen sebesar 0,85 yang termasuk kategori “besar”. Berdasarkan hasil tersebut, metode eksperimen berpengaruh dalam meningkatkan kemampuan mengkomunikasikan dan penguasaan konsep siswa pada materi termokimia.Kata kunci: mengkomunikasikan, metode eksperimen, penguasaan konsep, termokimia
PERBEDAAN PENGUASAAN KONSEP HIDROKARBON ANTARA MODEL PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SHARE DENGAN TIPE NUMBER HEAD TOGETHER SISWA MAN PRINGSEWU 2011/2012 Ningrum, Yayuk Novita; Sofya, Emmawaty; Rosilawati, Ila
Jurnal Pendidikan dan Pembelajaran Kimia Vol 1, No 1 (2012): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

The purpose of this study was (1) to describe the existence of hydrocarbon material difference between the mastery of concepts Cooperative Learning with NHT type and TPS type MAN Pringsewu students and (2) the average mastery of concepts which higher hydrocarbons between Cooperative Learning with NHT type and TPS type. The population in this study were all students of class X MAN Pringsewu academic year 2011/2012. Samples were taken using purposive sampling technique. Retrieved class X. 2 as a class experiment I conducted NHT cooperative learning model type, and class X. 4 as a class II experiments conducted cooperative learning model TPS type. The research design using a design-Only Matching Posttest-Only Control Group Design. Analysis of data using normality test, homogeneity of the two variances, and differences in the two trials showed average. The results showed (1) There is a difference between students mastery of concepts Hydrocarbons who received NHT and Cooperative Learning TPS type. (2) Average Hydrocarbon between student mastery of concepts that use Cooperative Learning TPS type higher than students who use learning NHT type. Keywords: Mastery of the concept, model type NHT Cooperative Learning, Cooperative Learning Model SMT type.
ENHANCING THE SKILLS ENHANCEMENT OF HYDROCARBON BY GUIDED CYCLE 3E LEARNING MODEL Fadlin, Ika Eni; Rudibyani, Ratu Betta; Sofya, Emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 1, No 1 (2012): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

This research aimed to describe the LC 3E learning model effectiviness in improving the communication skills of students in the subject matter of hydrocarbons.  The samples in this study were students of SMAN 7 Bandar Lampung class X4 and X5  Academic Year 2011-2012 Even Half that taken by porposive sampling technique.  This research was a quasi-experimental research design Non Equivalent (Pretest-Posttest) Control Group Design.  Hypothesis test used is the t-test.  Based on the result of the study, found that the avarage N-gain communication skills using learning model LC 3E is higher than that using conventional learning.  This implies that the  LC 3E learning model effective in improving student’s communication skills in the subject matter of hydrocarbons.Keyword: LC 3E models, communication skills, and effectiviness
ENHANCING THE SKILLS INFERENCE AND A MASTERY THE CONCEPT OF HYDROCARBON BY GUIDED INQUIRY LEARNING MODEL vianni, dita winda; kadaritna, nina; sofya, emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 1, No 1 (2012): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

The aim of this research is enhancing the skills inference and a mastery the concept in guided inquiry model. Population in this research is all the students class X MA N 1 Bandar Lampung first half of the academic year 2011-2012 class X.7 and X.8as a sample. A method of this research is a quasi of his experiments with non equivalent control group design. The effectiveness of learning is measured based on comparative the difference in value pretest and posttest to within the maximum value by the aceh-nias pretes. The result showed the value of average n-gain skill inference for class control and experimentation is -0,65 and 0.61. While the value of average n-gain mastery of the concept of to a class of control and experimentation is 0.18 and 0,55. Based on the testing of hypotheses, it is concluded that the classroom with a model of learning inkuiri terbimbing have the skills inference and a mastery the concept of higher than the classroom with vote was taken.It showed that the model of inquiri terbimbing on any material hydrocarbon more effective in increasing skill inference and a mastery concept students learning than conventionalKeyword: Guided Inquiry Learning, skill inference, mastery concept
PENINGKATAN KETERAMPILAN INFERENSI DAN PENGUASAAN KONSEP LAJU REAKSI MELALUI LEARNING CYCLE 5E Sari, Esti Nunggal; Rudibyani, Ratu Betta; Sofya, Emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 2, No 1 (2013): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

The aim of this research is to know effectiveness of the model 5E learning cycle (LC5E) in enhancing inferring skill and mastery of concepts in reaction rate material. Populations were all students of Grade XI science in MAN in Central Lampung academic year 2012-2013. The samples were 34 students in classroom XI science one and 34 students in classroom XI science two that have equal academic abilities. This was a quasi experiment research using non equivalent control group design.  Effectiveness  LC5E  model was measured based on significant gain enhancement.  The result showed that average values of  N-gain of inferring skill in experiment and control classrooms were 0.67 and 0.44 respectively and average values of  N-gain for mastery of concepts in experiment and control classrooms were 0.58 and 0.46 respectively. The hypothesis result test showed that classroom that used LC5E  model had higher skill in inferring and mastery of concepts than with conventional learning model.Tujuan penelitian ini untuk mendeskripsikan efektivitas model learning cycle 5E ( LC 5E) dalam meningkatkan keterampilan inferensi dan penguasaan konsep laju reaksi.  Populasi dalam penelitian ini adalah seluruh siswa kelas XI IPA MAN Poncowati  tahun pelajaran 2012/2013.  Sampel terdiri dari 34 siswa kelas XI Ipa 1 dan 34 siswa XI Ipa 2 yang mempunyai kemampuan yang sama.  Jenis penelitian ini menggunakan kuasi eksperimen dengan Non Equivalent Control Group Design.  Efektivitas mo­del LC 5E ditunjukkan dengan adanya peningkatan yang signifikan.  Hasil penelitian menunjukkan bahwa rata-rata N-gain keterampilan inferensi kelas eksperimen dan kelas kontrol yaitu 0,67 dan 0,44 dan rata-rata N-gain penguasaan konsep kelas eksperimen dan kelas kontrol yaitu 0,58 dan 0,46.  Dengan demikian didapat bahwa keterampilan inferensi dan penguasaan konsep laju reaksi yang diterapkan model LC 5E lebih tinggi daripada pembelajaran konvensional.Kata kunci : keterampilan inferensi, model pembelajaran LC5E, penguasaan konsep
PENINGKATAN KETERAMPILAN MEMPREDIKSI DAN PENGUASAAN KONSEP SISWA MELALUI MODEL PEMBELAJARAN PREDICT-OBSERVE-EXPLAN Handayani, Nia; Rosilawati, Ila; Sofya, Emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 2, No 2 (2013): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

This study aims to determine the effectiveness of POE learning model on non-electrolyte and electrolyte material in improving predicting skills and  students concepts mastery. Subjects of this study was class X1 SMA Negeri 1 Negerikaton. This research uses a pre-experimental method with One Group Pretest Posstest Design. Research data was  predicting skills and students concepts mastery. Data analysis was using the percentage of mastery learning (KKM ) and n-Gain. The results showed that persentage of mastery learning predict skills who achieved by 97,75% and n-Gain predict skills 0.70 (medium of category). And than who achieved  KKM 87,50% and n-Gain students concepts mastery 0.60 (medium of category).  The conclusion of this research showed that the POE learning model of non-electrolyte and electrolyte solution material is effective in improving the predict skills and students concepts mastery for class X1 SMA Negeri 1 Negerikaton.Tujuan penelitian ini adalah mendeskripsikan efektivitas model pembelajaran POE pada materi larutan non-elektrolit dan elektrolit dalam meningkatkan ke-terampilan memprediksi dan penguasaan konsep siswa.  Subjek penelitian ini yaitu siswa kelas X1 SMA Negeri 1 Negerikaton.  Penelitian ini menggunakan metode Pre-eksperimental dengan One-group pretest-poss-test Design.  Data pe­neliti­an adalah keterampilan memprediksi dan penguasaan konsep siswa.  Analisis data menggunakan persentase ketuntasan belajar (KKM) dan n-Gain.  Hasil penelitian menunjukkan bahwa persentase ketuntasan belajar keterampilan memprediksi  mencapai KKM yaitu 97,75% dan n-Gain sebesar 0,70 (kategori sedang).  Sedangkan penguasaan konsep siswa yang men­capai KKM yaitu 87,50% dan n-Gain sebesar  0,60 (kategori sedang).  Kesimpulan penelitian ini menunjuk­kan bahwa pembelajaran dengan model POE pada materi larutan non-lektrolit dan elektrolit efektif dalam me­ningkat­kan keterampilan memprediksi dan penguaasaan konsep siswa kelas X1 SMA Negeri 1 Negerikaton. Kata kunci:   keterampilan  memprediksi, larutan non-elektrolit dan elektrolit,  model POE, penguasaan konsep siswa.
EFEKTIVITAS DISCOVERY LEARNING DALAM MENINGKATKAN PENGUASAAN KONSEP DAN KEMAMPUAN MENYIMPULKAN Wulan Sari, Putri Ayu; Rudibyani, Ratu Betta; Sofya, Emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 3, No 2 (2014): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

This research aims to describe discovery learning model in increasing the concept mastery and inferring ability on basic postulates of chemistry. Sampel in this research was experiment class (X2) and control class (X1) in SMA Utama 2 Bandar Lampung. This research used quasi-experiment method with Non Equivalent (Pretest and Posttest) Control Group Design. The effectivity of discovery learning model was measured based on significant n-Gain differentiation between experiment class and control class, use two average differentiate test. The result of this research showed by n-Gain average of concept mastery with 0,66 for experiment class and 0,45 for control class and n-Gain average of inferring ability was 0,68 for experiment class and 0,52 for control class. Based on hypothesis testing with two mean difference test ( t-test ), it concluded that discovery learning model was effective in increasing concept mastery and inferring ability on Basic Postulates of Chemistry.Penelitian ini bertujuan untuk mendeskripsikan model discovery learning dalam meningkatkan penguasaan konsep dan kemampuan menyimpulkan pada materi hukum-hukum dasar kimia. Populasi dalam penelitian ini adalah seluruh siswa kelas X SMA Utama 2 Bandar Lampung semester ganjil Tahun 2013-2014 dengan kelas X2 dan kelas X1 sebagai sampel. Metode penelitian ini adalah kuasi eksperimen melalui Non Equivalent Control Group Design. Efektivitas model discovery learning ditunjukkan adanya perbedaan rata-rata n-Gain yang signifikan antara kelas eksperimen dan kelas kontrol. Hasil penelitian menunjukkan rata-rata n-Gain penguasaan konsep kelas eksperimen dan kontrol sebesar 0,66 dan 0,45 sedangkan rata-rata n-Gain kemampuan menyimpulkan kelas eksperimen dan kelas kontrol sebesar 0,68 dan 0,52. Berdasarkan pengujian hipotesis dengan uji perbedaan dua rata-rata (uji-t), disimpulkan bahwa model discovery learning efektif dalam meningkatkan penguasaan konsep dan kemampuan menyimpulkan pada materi hukum-hukum dasar kimia.Kata kunci: kemampuan meyimpulkan, model discovery learning, penguasaan konsep
ANALISIS KEMAMPUAN MENYIMPULKAN PADA MATERI HUKUM-HUKUM DASAR KIMIA DENGAN INKUIRI TERBIMBING Ermalinda, Yosi; Rudibyani, Ratu Betta; Sofya, Emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 3, No 3 (2014): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

This research aimed to describe the students conclusions skills on the fundamental laws of chemistry matter by using guided inquiry models for high, intermediate and low groups of student. The subjects were students of class X7 SMA Negeri 13 Bandar Lampung. This research used the pre-experimental method, a one-shot case study design, and descriptive research. The results showed that the skill of draw conclusions in high level group 42.86% were excellent, 42.86% were good, and 14.28% enough. In the intermediate level group 12.5% were excellent, 68.75% were good, and 18.75% were enough. In the low level group 11.11% were excellent, 33.33% were good, and 55.56% were enough.Penelitian ini bertujuan untuk men­deskripsikan kemampuan menyimpulkan siswa pada materi hukum-hukum dasar kimia melalui penerapan model Inkuiri Terbimbing untuk siswa kelompok tinggi, sedang dan rendah.  Subyek penelitian ini adalah siswa kelas X7 SMA Negeri 13 Bandar Lampung yang berjumlah 32 siswa.  Penelitian ini mengunakan metode pre-eksperimen dengan desain penelitian one-shot case study.  Dengan analisis data yaitu menggunakan analisis deskriptif.  Hasil penelitian menun­juk­kan bahwa keterampilan proses sains dalam hal ini kemampuan menyimpulkan pada kelompok tinggi 42,86% berkriteria sangat baik, 42,86% berkriteria baik, dan 14,28%  berkri­teria cukup.  Pada ke­lom­pok sedang 12,5% berkriteria sangat baik, 68,75% berkri­teria baik, dan 18,75% berkriteria cukup.  Pada kelompok rendah 11,11% berkriteria sangat baik, 33,33% berkri­teria baik dan 55,56% lainnya berkri­teria cukup.Kata kunci : hukum-hukum dasar kimia, inkuiri terbimbing, kemampuan menyimpulkan.             
LEARNING EFFECT GUIDED INQUIRY MASTERY OF CONCEPTS ON BASIC MATERIALS COLLOIDAL SYSTEMS Andini, Army Ardhi; Rudibyani, Ratu Betta; Sofya, Emmawaty
Jurnal Pendidikan dan Pembelajaran Kimia Vol 1, No 1 (2012): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

The success of the learning process can be determined from the cognitive and affective aspects. One method involves learning activity of students to discover the concept itself is a method of guided inquiry (guided inquiry). One concept that requires the involvement of students in activities and make students more active is Colloidal Systems. The concept of colloidal systems require reasoning and explanations through reasoning. With such reasoning students can solve the problems and to apply them in everyday life. This study aimed to describe the effect of guided inquiry learning to mastery of concepts in the subject matter of the colloidal system. This type of research is experimental. The population in this study were all students of class XI Science SMAN 7 Bandar Lampung. Research sample class XI IPA 1 and XI IPA 2 selected using purposive sampling technique. The study design used was The Matching-Only Posttest-Only Control Group Design. Based on hypothesis testing, found that the average value of the colloidal system concept mastery class guided inquiry learning model applied is higher than the applicable class of conventional learning models. This shows that the application of the guided inquiry pembelajara affect colloidal systems concept mastery. Keywords: Effects, Guided Inquiry, Concept Mastery, Colloid Systems
PENINGKATAN KETERAMPILAN MENGKOMUNIKASIKAN DAN PENCAPAIAN KOMPETENSI SISWA MENGGUNAKAN MODEL PEMBELAJARAN LEARNING CYCLE 3E Insani, Nurul; Sofya, Emmawaty; Efkar, Tasviri
Jurnal Pendidikan dan Pembelajaran Kimia Vol 2, No 1 (2013): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Program Studi Pendidikan Kimia FKIP Unila

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Abstract

The aim of this research is to describe the effectiveness of learning cycle 3E  learning models is improving the skills of communicating and achievements competence students for reaction chemical equilibrium competence. Learning cycle 3E models is learning through a series of stages (phases of learning) learning phases include: (1) the exploration phase, (2) explanation of the concept phase, and (3) the application of the concept phase. This study used a quasi-experimental method with Non Equivalent (Pretest and Posttest) Control Group Design. Effectiveness of the learning cycle 3E models is measured by an increase in competence by KKM and      n-gain significant.  The results showed an increase in competence for the control and experimental classes respectively 33.3% and 66.7% and the mean n-gain the skills to communicating at experimental classes and control classes respectively 0.41 and 0.56 and the mean n-gain achievements competence for and experimental classes and control classes respectively 0.47 and 0.64  Thus, it can be conclud that the learning cycle 3E learning model on reaction chemical equilibrium material effectives to enhance communicating skill and achievements competence of students in medium category.Kata kunci: learning cycle 3e, keterampilan mengkomunikasikan, pencapaian kompetensi siswa.