Efektivitas Pendekatan Ilmiah Dalam Meningkatkan Kemampuan Berpikir Orisinil Pada Materi Larutan Penyangga

The purpose of this study was to describe the effectiveness of a scientific approach in increasing original thinking ability on buffered solutions topic. This research population was all of students in the 11th grade of MIA at SMA Negeri 1 Bangunrejo for 2014/2015 academic year. This study used quasi experiment method with non equivalent control group design. The 11th grade of MIA2 and MIA3 were used as the sample classes of this research which were obtained by using purposive sampling technique. The result of this research showed that the average n-Gain of original thinking ability in the control class was 0.603 and in the experimental was class was 0.763. Based on t test the average of n-Gain both the research classes were different significantly. It could be concluded that learning by using scientific approach was effective in increasing original thinking ability on buffered solutions topic. Tujuan penelitian ini adalah untuk mendeskripsikan efektivitas pendekatan ilmiah dalam meningkatkan kemampuan berpikir orisinil siswa pada materi larutan penyangga. Populasi penelitian ini yaitu seluruh kelas XI MIA SMA Negeri 1 Bangunrejo tahun pelajaran 2014/2015. Penelitian ini menggunakan metode kuasi eksperimen dengan desain non equivalent control group. Hasil penelitian menunjukkan bahwa nilai rata-rata n-Gain kemampuan berpikir orisinil pada kelas kontrol sebesar 0,603 dan eksperimen sebesar 0,763. Berdasarkan uji t nilai rata-rata n-Gain kedua kelas penelitian berbeda secara signifikan. Berdasarkan hal tersebut dapat disimpulkan bahwa pembelajaran menggunakan pendekatan ilmiah efektif dalam meningkatkan kemampuan berpikir orisinil pada materi larutan penyangga

Analisis Keterampilan Berpikir Lancar Pada Materi Larutan Elektrolit Nonelektrolit Menggunakan Inkuiri Terbimbing

This research aimed to describe fluency thinking skill in electrolyte nonelectrolyte subject matter by using guided inquiry learning model for high, intermediate and low groups of student. The subject were students of class X1 SMA Negeri 2 Metro. This research used the pre-experimental method, a one-shot case study design, and data analysis using statistic descriptive. The results showed that fluency thinking skill in high level group 57,14% were excellent, 28,57% were good, and 14,29% were enough. In the intermediate level group, 17,65% were excellent, 70,59% were good, and 11,76% students were enough. In the low level group, 14,29% were excellent, 28,57% were good, and 57,14% students were enough. Penelitian ini bertujuan untuk mendeskripsikan keterampilan berpikir lancar pada materi larutan elektrolit nonelektrolit menggunakan model pembelajaran inkuiri terbimbing untuk siswa kelompok tinggi, sedang, dan rendah. Subyek penelitian ini adalah siswa kelas X1 SMA Negeri 2 Metro. Penelitian ini menggunakan metode pre-eksperimen, desain one shot case study, dan analisis data menggunakan statistik deskriptif. Hasil penelitian menunjukkan bahwa keterampilan siswa dalam berpikir lancar pada kelompok tinggi 57,14 % siswa berkriteria sangat baik, 28,57% siswa berkriteria baik dan 14,29% berkriteria cukup. Pada kelompok sedang 17,65% siswa berkriteria sangat baik, 70,59% siswa berkriteria baik, 11,76% siswa lainnya berkriteria cukup. Pada kelompok rendah 14,29% siswa berkriteria sangat baik, 28,57% siswa berkriteria baik, dan 57,14% siswa lainnya berkriteria cukup.

Keterampilan Mengelompokkan Dan Iinferensi Pada Materi Redoks Di Sman 16 Bandar Lampung

This research is aimed to describe grouping and inference skills of redoks material through problem solving model for student cognitive group.The subject is 30 students of X6 SMAN 16 Bandar Lampung. The method of this research is preexperiment with one shot case study design and statiktif descriptive. This research will show problem solving model appliction of redoks material for: (1)grouping skill: high category 100% are excellent skill; in medium 77,78% are excellent skill, 5,56% are good skill and 16,66% are enough skill; in low category 60% are excellent skill, 20% are good skill, and 20% are enough skill. (2)inference skill: For high category 85,71% are excellent skill and 14,29 % are good skill. for medium category 61,11% are excellent skill, 22,22% are good skill and 16,67% are enough skill; for low category 60% are excellent skill, 40% are good.Penelitian ini bertujuan untuk mendeskripsikan keterampilan mengelompokkan dan inferensi pada materi redoks dengan model pembelajaran problem solving untuk kelompok kognitif siswa. Subyek penelitian ini adalah siswa kelas X6 SMAN 16 Bandar Lampung berjumlah 30 siswa. Metode penelitian ini adalah pre experimental dengan one-shot case study. Analisis data menggunakan statiktif deskriptif. Hasil penelitian menunjukkan bahwa : (1) keterampilan mengelompokkan, untuk kelompok tinggi 100% berkriteria sangat baik; untuk kelompok sedang 77,78% berkriteria sangat baik; 5,56% baik; dan 16,66% cukup; untuk kelompok rendah 60% sangat baik; 20% baik; dan 20% cukup. (2) keterampilan menginferensi, untuk kelompok tinggi yaitu 85,71% berkriteria sangat baik; 14,29% berkriteria baik; untuk kelompok sedang 61,11 % berkriteria sangat baik; dan 22,22% baik; dan 16, 67% cukup; untuk kelompok rendah 60% berkriteria sangat baik; dan 40% baik

Perbandingan Simayang Tipe-ii Dengan Pbl Terhadap Kemampuan Metakognisi Dan Efikasi Diri

The quasi experiment research had been done in SMAN 10 Bandar Lampung for the purpose to compare of SiMaYang type II learning model with Problem Based Learning(PBL)in improving students\u27 metacognition ability and self efficacy on topic of electrolyte-non electrolyte. This research used control group pretest-posttest design with the 10th grade-2 and the 10th grade-8 as sample classes which they were obtained by using cluster random sampling. Data research was analyzed descriptively and the results showed that SiMaYang type II learning model has higher value than PBL. It can be concluded that SiMaYang type II learning model is better than PBL in improving students\u27 metacognition ability and self efficacy. Penelitian kuasi eksperimen telah dilakukan di SMAN 10 Bandar Lampung yang bertujuan untuk membandingkan model pembelajaran SiMaYang tipe II dengan PBL dalam meningkatkan kemampuan metakognisi dan efikasi diri siswa. Penelitian ini menggunakan desain control group pretest-posttest dengan kelas X2 dan kelas X8 sebagai kelas sampel yang diperoleh menggunakan teknik cluster random sampling. Analisis data penelitian adalah analisis deskriptif dan hasil penelitian menunjukkan bahwa model pembelajaran SiMaYang tipe II memiliki nilai yang lebih tinggi dari PBL. Hal ini dapat disimpulkan bahwa model pembelajaran SiMaYang tipe II lebih baik dibandingkan model pembelajaran PBL dalam meningkatkan kemampuan metakognisi dan efikasi diri pada materi larutan elektrolit dan non-elektrolit

The Enhancement of Communication Skills and Mastery of Concepts in Solubility and Solubility Product Lesson by Learning Model of Guided Inquiry

The objective of this research is to describe effectiveness of the learning model of guided inquiry in improving communication skills and mastery of concepts in solubility and solubility product lesson. Samples in this research were students of State Senior High School 1 Tumijajar of classes XI Sciences 3 and XI Sciences 4 even semester School Year 2011-2012 that have equal academic abilities. This research used a quasi experiment method with Nonequivalent Control Group Design. Effectiveness of the learning model of guided inquiry was measured by significant differences in control class and experiment class, shown by significant gain. Based on the results of this research, average value of N-gain for communication skills in control and experiment class were 0,59 and 0,66; and the average value of N-gain for mastery of concepts in control and experiment class were 0,39 and 0,55. Hypothesis testing in this research used test two average different with t-test. The hypothesis result test show that class that used learning model of guided inquiry had higher communication skills and mastery of concepts than class with conventional learning model. This indicated that learning model of guided inquiry was effective to improving communication skills and mastery of concepts in solubility and solubility product lesson.

Lks Berbasis Multipel Representasi Menggunakan Model Simayang Pada Materi Larutan Asam Basa

This research used Research and Development method. The research aimed to describe: (1) the eligibilityof the student worksheets which was measured by the results of expert validation; (2) the practicality of the student worksheets which was measured by feasibility of assessment, the teacher, and students\u27 responses; (3) the effectivity of the student worksheets where it was measured by assessment of students activity, the self-efficacy, and increasing of the concepts mastery. The results showed that the student worksheet based on multiple representations using SiMaYang Type II model in acid base solution topic is feasible, practicable, and effective to be used increase the self-efficacy and the concepts mastery of students.Penelitian ini menggunakan metode Penelitian dan Pengembangan. Penelitian ini bertujuan untuk mendeskripsikan: (1) kelayakan LKS yang diukur dari hasil validasi ahli; (2) kepraktisan LKS yang diukur dari penilaian keterlaksanaan, guru, serta respon siswa; dan (3) keefektivan LKS diukur dari hasil penilaian aktivitas siswa, efikasi diri, dan peningkatan penguasaan konsep. Hasil penelitian menunjukkan bahwa LKS berbasis multipel representasi dengan menggunakan model pembelajaran SiMa­Yang Tipe II pada materi larutan asam basa layak, praktis, dan efektif digunakan untuk meningkatkan efikasi diri dan penguasaan konsep siswa

Efektivitas LKS Problem Solving Dalam Meningkatkan Keterampilan Mengkomunikasikan Pada Materi Asam Basa

This research was conducted to describe the effectiveness of problem-solving student worksheet in improving communicating skills on acid-base topic. Population in this research was all student of 11th grade of science in public senior high school 13 Bandarlampung with class 11th Science 1 and 11th Science 4 as research samples with purposive sampling technique. This research used quasi experimental method with Non-Equivalent Pretest-Posttest Control Group Design. The effectiveness of this worksheet was indicated by the significant n-gain differences between the control class and the experimental. The results showed that the average score of n-gain communicating skills was 0.76 for experimental class and 0.59 for control class. Based on the t-test result, it found that the average score of n-gain experimental class was significantly different with control class. This problem-solving student worksheet is effective in improving student\u27s communicating skills on acid-base topic. Penelitian ini bertujuan untuk mendeskripsikan efektivitas LKS problem solving dalam meningkatkan keterampilan mengko­mu­ni­kasikan pada materi asam basa. Populasi dalam penelitian ini adalah seluruh siswa kelas XI IPA SMA Negeri 13 Bandarlampung dengan kelas XI IPA 1 dan XI IPA 4 sebagai sampel penelitian menggunakan teknik purposive sampling. Penelitian ini menggunakan metode kuasi eksperimen dengan Non-Equivalent Pretest-Posttest Control Group Design. Efektivitas LKS ini ditunjukkan dengan adanya perbedaan n-gain yang signifikan antara kelas kontrol dengan eksperimen. Hasil penelitian me­nun­jukkan nilai rata-rata n-gain keterampilan mengkomunikasikan pada kelas eks­­­­perimen 0,76 dan pada kelas kontrol 0,59. Berdasarkan uji-t nilai rata-rata n-gain kelas eksperimen berbeda signifikan dengan kelas kontrol. Hal ini menunjukkan bahwa LKS problem solving efektif dalam mening­katkan keterampilan mengko­munika­si­­kan siswa pada materi asam basa

Differences Between Hydrocarbon Control Concepts Stad Type Cooperative Learning Model Accompanying Problem Posing with Strategy Conventional Learning

The study aims to describe (1) the existence of the average difference between the value of mastery of concepts hydrocarbon type STAD cooperative learning model along with problem posing strategies with conventional learning, (2) the average value of mastery of concepts which higher hydrocarbons between cooperative learning model types STAD with problem posing strategies with conventional learning. The population in this study were all students of class X SMAN 13 Bandar Lampung academic year 2011/2012. Sampling was done by purposive sampling. The samples in this study were 30 students of class X1 as a class experiment 1 and 30 X7-class students as a class experiment 2. The study design used was The Matching-Only Posttest-Only Control Group Design. The results showed that (1) there is a difference between the students 'mastery of concepts Hydrocarbon type STAD cooperative learning strategies with problem posing and conventional learning and (2) the average students' mastery of concepts Hydrocarbons using STAD cooperative learning model type with problem posing strategy is higher than the average student mastery of concepts in hydrocarbon material using conventional learning