This research aims to improve the activities and results of learning mathematics using the discovery learning model. This type of research is a classroom action research conducted in two cycles. Subjects of this study was grade III B SDIT... more
This research aims to improve the activities and results of learning mathematics using the discovery learning model. This type of research is a classroom action research conducted in two cycles. Subjects of this study was grade III B SDIT Generasi Rabbani Bengukulu. The data collection instrument used student activity observation sheets and learning outcomes tests. The data analysis technique uses arithmetic mean and the percentage of learning completeness. The results showed: 1) Teacher activity in the first cycle obtained an average of 3.38 and in the second cycle an average of 3.81, 2) Student activity in the first cycle obtained an average of 3.13 and in the second cycle an average of 3.67, 3) Learning result in the first cycle were obtained an average of 71.43 with learning completeness 64.29 %, an increase in the second cycle obtained an average value of 76.79 with 82.14% completeness learning. The conclusion of this study that the use of the discovery learning model can incre...
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This research is a development research that aims to find out how the development of LKPD based on CTL to improve the ability of mathematical communication and student self-efficacy. This research started from preliminary study,... more
This research is a development research that aims to find out how the development of LKPD based on CTL to improve the ability of mathematical communication and student self-efficacy. This research started from preliminary study, preparation of LKPD, LKPD validation, initial field test, and field test. The subjects of this study are students of class VII-A and VII-C SMP Negeri 1 Abung Tinggi Lesson Year 2016/2017. Preliminary study results indicate the need for the development of LKPDbased CTL approach. The preparation of LKPD begins with drafting the LKPD and all its components based on the guideline for the preparation of LKPD. Validation results indicate that LKPD has met the content and design feasibility standards. Field test results indicate that LKPD is included in either category. The result of field test shows that the improvement of students' mathematical communication ability following learning using LKPD based on CTL is higher than conventional learning and Student Se...
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This quasi experimental research aimed to know the effectiveness of guided-invention learning model viewed by student’s understanding of mathematical concepts. The design which was used was pretest posttest control design with the... more
This quasi experimental research aimed to know the effectiveness of guided-invention learning model viewed by student’s understanding of mathematical concepts. The design which was used was pretest posttest control design with the population was all students of grade eight of SMPN Satu Atap 2 Negerikaton in academic year of 2014/2015 and th e samples were all students in population that were chose n by total sampling. The data of understanding of mathematical concepts were obtained by essay test. Based on the result of this research, it was concluded that the implementation of the guided-invention learning model was effective viewed by student’s understanding of mathematical concepts. Penelitian eksperimen semu ini bertujuan untuk mengetahui efektivitas model pembelajaran penemuan terbimbing ditinjau dari pemahaman konsep matematis siswa. Desain yang digunakan adalah pretest-posttest control design dengan populasi seluruh siswa kelas VII SMP Negeri Satu Atap 2 Negerikaton tahun pela...
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Thi s quasi experimental research aimed to know the effectiveness of the learning model of TPS viewed by students understanding of mathematical concepts. The population of this research was all students of grad e VII of SMPN 20 Bandar... more
Thi s quasi experimental research aimed to know the effectiveness of the learning model of TPS viewed by students understanding of mathematical concepts. The population of this research was all students of grad e VII of SMPN 20 Bandar Lampung in academic year of 2013/2014 as many as 262 students and distributed into 7 classes. The samples of this research were students of VIIB class which w ere taken randomly . This research used one group posttest only design. The i nstrument of this research was test of mathematical conceptual understanding. Based on the analysis of data, the cooperative learning model of TPS type was ineffectiv e viewed by understanding of mathematical concepts of students. Penelitian eksperimen semu ini bertujuan untuk mengetahui efektivitas model pembelajaran TPS ditinjau dari pemahaman konsep matematis siswa. Populasi penelitian ini adalah siswa kelas VII SMPN 20 Bandar Lampung tahun pelajaran 2013/2014 sebanyak 262 siswa dan terdistribusi dalam 7 kelas. Sampe...
Tujuan dalam penelitian ini adalah untuk menelaah kemampuan komunikasi matematis siswa menggunakan pembelajaran soft skills komunikasi dengan pembelajaran biasa. Populasi dalam penelitian ini adalah seluruh siswa kelas XI SMK yang... more
Tujuan dalam penelitian ini adalah untuk menelaah kemampuan komunikasi matematis siswa menggunakan pembelajaran soft skills komunikasi dengan pembelajaran biasa. Populasi dalam penelitian ini adalah seluruh siswa kelas XI SMK yang berkemampuan sedang yang berada di lampng tengah, sedangkan sampelnya dipilih kelas XI yang berjumlah 50 orang dari satu SMK di lampung tengah yang berkemampuan sedang. Instrumen pada penelitian ini berupa tes berbentuk soal uraian untuk tes kemampuan komunikasi matematis. Instrumen yang digunakan sudah memenuhi soal yang baik berdasarkan validitas, reliabilitas, daya pembeda dan indeks kesukaran. Berdasarkan perhitungan menggunakan SPSS 20 didapat hasil sebagai berikut pencapaian dan peningkatan kemampuan komunikasi matematis siswa yang pembelajarannya menggunakan pembelajaran soft skill komunikasi lebih baik dibandingkan pembelajaran biasa
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This quasi experimental research aimed to find out the influence of the contextual collaborative learning towards the increasing of student’s ability of understanding of mathematical concept. The population of this research was all... more
This quasi experimental research aimed to find out the influence of the contextual collaborative learning towards the increasing of student’s ability of understanding of mathematical concept. The population of this research was all students of grade VII of SMP Negeri 1 Natar in academic year of 2015/2016 which were distributed into thirteen classes. The sampling of this research was done by purposive sampling technique and it was chosen students of class VII-B and VII-D as the research sample. The design of this research was pretest-posttest control group design. The data of this research were taken by pretest and posttest in essay test. The result of hypotesis test showed that the contextual collaborative learning influences towards the increasing of ability of understanding of mathematical concept. Penelitian eksperimen semu ini bertujuan untuk mengetahui pengaruh pembelajaran kolaboratif kontekstual terhadap peningkatan kemampuan pemahaman konsep matematis siswa. Populasi peneli...
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This quasi experimental research aimed to know the effectiveness of realistic mathematics education model viewed by student’s mathematical representation ability, percentage of students who reached mastery learning, and mathematical... more
This quasi experimental research aimed to know the effectiveness of realistic mathematics education model viewed by student’s mathematical representation ability, percentage of students who reached mastery learning, and mathematical disposition. The design which was used was one group pretest posttest design. The population of this research was all students of grade eight of Junior High School Gajah Mada Bandar Lampung in academic year of 2014/2015 that was distributed in to four classes. By purposive sampling technique, it was chosen students of VIII C class as research sample . The data of student’s mathematical representation were obtained by essay test. Based on the result of this research, it was concluded that the implementation of realistic mathematics education model was effective viewed by representation ability , percentage of students who reached mastery learning , and student’s mathematical disposition. Penelitian eksperimen semu ini bertujuan untuk mengetahui efektivita...
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This study aims to 1) develop a problem solving learning model that is oriented towards the ability to understand mathematical concepts, 2) test the feasibility of a model developed on algebraic function derived material, and 3) test the... more
This study aims to 1) develop a problem solving learning model that is oriented towards the ability to understand mathematical concepts, 2) test the feasibility of a model developed on algebraic function derived material, and 3) test the effectiveness of the product of development. This study refers to the Research and Development procedure of Borg and Gall which is simplified into six stages and the resulting product is refined with ASSURE learning design theory. Data were analyzed with qualitative descriptive methods and cognitive learning outcomes with normalized N-gain to determine the effectiveness of the model, Independent t-test to determine differences in learning outcomes. The results were obtained through tests of mathematical concept understanding ability. The results showed that 1) the development of the learning model was carried out with due regard to the components of the model, 2) the results of the development of the learning model were feasible to be applied to the...
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This research aims to develop students ’ worksheet - based on PBL and test its effectiveness toward studen ts’ mathematical communication skills and self confidence of class VIII SMP Negeri 8 Bandar Lampung. This research procedure uses... more
This research aims to develop students ’ worksheet - based on PBL and test its effectiveness toward studen ts’ mathematical communication skills and self confidence of class VIII SMP Negeri 8 Bandar Lampung. This research procedure uses the procedure by Tessmer, namely preliminary phase and formative evaluation phase which includes self evaluation, prototyping (expert reviews, one-to-one, small group) and field test. The data was obtained through mathematical communication test and self confidence scale. The results of the expert reviews show that students ’ worksheet - based on PBL has met the feasibility standards of content, media and language in very good category. the result of the one-to-one and small group show very good category. The results of data analysis in the field test showed that the student mathematical communication skill and self confidence in the experimental class is higher than the control class . I t can be concluded that students ’ worksheet - based on PBL i...
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This qualitative research aimed to describe the learning and indicators which were shown by student in mathematical disposition used PQ4R learning method. Subject of this research was student VII-G grade SMP N 20 Bandar Lampung. The... more
This qualitative research aimed to describe the learning and indicators which were shown by student in mathematical disposition used PQ4R learning method. Subject of this research was student VII-G grade SMP N 20 Bandar Lampung. The qualitative research data was shown in description which explain student mathematical disposition that shown in learning process. Based on the result of this research, it was concluded that mathematical disposition which was frequent shown in learning process are confidence and curiosity. Penelitian kualitatif ini bertujuan untuk mendeskripsikan pembelajaran dan indikator yang ditunjukkan siswa dalam disposisi matematis dengan menggunakan metode PQ4R. Subjek penelitian ini adalah siswa kelas VII-G SMP Negeri 20 Bandar Lampung. Data penelitian merupakan data kualitatif dalam bentuk uraian yang menjelaskan disposisi matematis siswa yang muncul selama pembelajaran berlangsung. Berdasarkan hasil penelitian dan pembahasan, diperoleh kesimpulan bahwa disposisi...
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This research development aimed to develop of TAPPS strategy worksheet for increasing mathematical communication ability. This study was initiated with preliminary studies, the composing, the validation, preliminary field testing, and... more
This research development aimed to develop of TAPPS strategy worksheet for increasing mathematical communication ability. This study was initiated with preliminary studies, the composing, the validation, preliminary field testing, and main field testing. The subject of this research was students of VII D class of SMP N 1 Seputih Raman. The result of preliminary study indicated that there was a need to develop worksheet. The arranges of worksheet were started with the draft-preperation and all of components based on the composing guidelines. The result of the validation showed that the worksheet got the standard qualification for its content and design. The field trial results showed that students’ mathematical communication aspect was good enough because more than 70 % of the students have reached minimum criteria. Penelitian ini merupakan penelitian pengembangan yang bertujuan untuk mengetahui bagaimana hasil pengembangan LKPD berbasis strategi TAPPS untuk meningkatkan kemampuan ko...
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The aim of this research was to analyze the effectiveness of inquiry learning model in terms of mathematical representation skills and students' self confidence. The population of this research was students of grade VII in SMP... more
The aim of this research was to analyze the effectiveness of inquiry learning model in terms of mathematical representation skills and students' self confidence. The population of this research was students of grade VII in SMP Al-Azhar 3 Bandarlampung in academic year of 2016/2017 that were distributed into seven classes. The samples of this research were students of VII D and VII E classes which were chosen by purposive sampling. The design was pretest-posttest control group design. Data of the research were analyzed using t-test. Based on the result of the research, it was concluded that inquiry learning model was not effective in terms of mathematical representation skills and students’ self confidence but the improvement of students mathematical representatition skills which following inquiry learning model was better than conventional learning. Penelitian ini bertujuan untuk menganalisis efektivitas model inquiry learning ditinjau dari kemampuan representasi matematis dan s...
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ABSTRAK Penelitian ini merupakan penelitian eksperimen semu yang bertujuan untuk mengetahui efektivitas pembelajaran dengan pendekatan penemuan terbimbing ditinjau dari pemahaman konsep matematis siswa kelas VIII MTs Negeri 2 Bandar... more
ABSTRAK Penelitian ini merupakan penelitian eksperimen semu yang bertujuan untuk mengetahui efektivitas pembelajaran dengan pendekatan penemuan terbimbing ditinjau dari pemahaman konsep matematis siswa kelas VIII MTs Negeri 2 Bandar Lampung tahun pelajaran 2015/2016. Desain penelitian ini adalah posttest only control design. Populasi pada penelitian ini adalah seluruh siswa kelas VIII MTs Negeri 2 Bandar Lampung tahun pelajaran 2015/2016. Sampel penelitian terdiri dari dua kelas yang diambil dengan teknik purposive sampling. Data penelitian berupa data pemahaman konsep matematis yang diperoleh melalui tes. Berdasarkan hasil penelitian dan pembahasan disimpulkan bahwa pembelajaran dengan pendekatan penemuan terbimbing efektif ditinjau dari pemahaman konsep matematis siswa kelas VIII MTs Negeri 2 Bandar Lampung tahun pelajaran 2015/2016. Kata kunci : efektivitas, penemuan terbimbing, pemahaman konsep matematis.
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Teacher self-efficacy is an important component of teacher competence. At present, efforts to improve teacher competencies have not been carried out simultaneously for teacher activities in the classroom (open class) and outside the... more
Teacher self-efficacy is an important component of teacher competence. At present, efforts to improve teacher competencies have not been carried out simultaneously for teacher activities in the classroom (open class) and outside the classroom (training). This quasi-experimental study aimed to examine the effectiveness of soft skills training and the practice of lesson study on improving mathematics teacher self-efficacy and describe the impact of teacher self-efficacy on the freedom of students' mathematical thinking. The study involved three mathematics teachers and 90 students from three different junior high school regions in Bandar Lampung, Indonesia (city center, semi-urban, and suburban). Data was collected through questionnaire, observation, and interview. The data were then analyzed descriptively. The effectiveness of soft skills training and the practice of lesson study on improving mathematics teachers’ self-efficacy was examined using Wilcoxon Test. The results showed...
This research wa s aimed to know the influence of cooperative learning model of think pair share type towards students’ mathematical communication skill . This research was quasi experiment with post-test only control group design. The... more
This research wa s aimed to know the influence of cooperative learning model of think pair share type towards students’ mathematical communication skill . This research was quasi experiment with post-test only control group design. The population of this research wa s all students of grade IX in SMP Negeri 20 Bandar Lampung which consist of seven classes. The samples of this research were students of IX B as experiment class and students of IX A as control class that were selected by purposive random sampling. The data of this research was the score of post-test of students’ mathematical communication skill and it was analyzed by t-test . Based on the analysis of data , it was concluded that the cooperative learning model of t hink p air s hare type influen ce in student s’ mathematical communication skill . Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran kooperatif tipe think pair share terhadap kemampuan komunikasi matematis siswa. Penelitian ini merupakan e...
This quasi-experimental research aimed to find out the effectiveness of TTW learning on student’s mathematical conceptual understanding . The population in this research was all students of 7 th grade at SMP N 10 Bandarlampung in... more
This quasi-experimental research aimed to find out the effectiveness of TTW learning on student’s mathematical conceptual understanding . The population in this research was all students of 7 th grade at SMP N 10 Bandarlampung in academic year 201 8 /201 9 , which consist of 351 students that distributed into eleven classes . The sample in this research were the students of VII D which consist of 32 students and VII E which consist of 32 students who were selected based on cluster random sampling technique. This research used the randomized pretest-posttest control group design. The research data were obtained by the essay test of mathematical conceptual understanding on topic of comparison. t-test and proportion test was used to analyze the data with . Based on the results of the research and discussion, it was concluded that cooperative learning type TTW was not effective in terms of student’s mathematical conceptual understanding. Penelitian eksperimen semu ini bertujuan untuk m...
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The purpose of this research was to know the difference of students’ mathematical conceptual understanding which us e d cooperative learning model of TSTS and TPS type . This research population was all students of grade 10 th of SMK... more
The purpose of this research was to know the difference of students’ mathematical conceptual understanding which us e d cooperative learning model of TSTS and TPS type . This research population was all students of grade 10 th of SMK Negeri 2 Bandar Lampung in academic year of 2014/2015 that was distributed into fifteen classes, then it was chosen 2 classes as samples by purposive sampling technique. This research data w ere obtained by test of understanding mathematical concepts. Based on the result of research, it could be concluded that there was the difference of students’ mathematical conceptual understanding, that was students’ mathematical conceptual understanding which followed cooperative learning model of TSTS type was higher than TPS. Tujuan penelitian ini adalah mengetahui perbedaan pemahaman konsep matematis siswa yang menggunakan model pembelajaran kooperatif tipe TSTS dan TPS . Populasi penelitian ini adalah seluruh siswa kelas X SMK Negeri 2 Bandar Lampung tahun pel...
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This quasi experimental research aimed to find out the effectiveness of cooperative learning model of MMP type in terms of student’s mathematical representations skill. The population of this research was all students of grade 7 th of... more
This quasi experimental research aimed to find out the effectiveness of cooperative learning model of MMP type in terms of student’s mathematical representations skill. The population of this research was all students of grade 7 th of Junior High School 3 Natar in academic year of 2015/2016 which were distributed into five class es , then it was taken two class es as the sampel by purposive random sampling. Based on the research results, it was concluded that the cooperative learning model of MMP type wasn’t effective in terms of student’s mathematical representations skill. Penelitian eksperimen semu ini bertujuan untuk mengetahui efektivitas pembelajaran kooperatif tipe MMP ditinjau dari kemampuan representasi matematis siswa. Populasi penelitian ini adalah seluruh siswa kelas VII SMP Negeri 3 Natar tahun pelajaran 2015/2016 yang terdistribusi dalam lima kelas, kemudian diambil dua kelas sebagai sampel melalui teknik purposive random sampling. Berdasarkan hasil penelitian ini, dap...
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This quasi experimental research aimed to find out the influence of discovery learning towards student's mathematical problem solving skill. The population of this research was all grade eight students of Junior High School state of 1... more
This quasi experimental research aimed to find out the influence of discovery learning towards student's mathematical problem solving skill. The population of this research was all grade eight students of Junior High School state of 1 Pesawaran in academic year of 201 8 /201 9 as many as 252 students that were distributed into nine classes . The samples of this research were students of VIII - A as many as 28 students and VIII - B as many as 27 students that were chosen by purposive sampling technique . The design of this research was pretest-posttest control group design . The research data were obtained by the essays test of mathematical problem solving skill. Analysis data of the research us in g non parametri c test that is Mann-Whitney U test . Based on the research results and discussion, it was concluded that discovery learning affects the student's mathematical problem solving skill. Keywords: discovery learning , mathematical problem solving Penelitian eksperimen...
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This was a quasi-experimental research that aimed to know  the effectiveness of cooperative learning model of TAI type viewed by student’s understanding of mathematical concept as compared to conventional learning. The design of th is... more
This was a quasi-experimental research that aimed to know  the effectiveness of cooperative learning model of TAI type viewed by student’s understanding of mathematical concept as compared to conventional learning. The design of th is research was posttest only control design . The population of this research was all student s of grade eighth of Junior High School state 1 of Punggur . The samples of this research were VIII.8 class students as experimental class and VIII.6 class students as control class. The samples were taken by purposive sampling technique. Based on the result of hypothesis testing, it showed that the student’s understanding of mathematical concept who taught by TAI model was higher than conventional learning. The conclusion of this research was the learning model of TAI was more effective than conventional learning viewed by student’s understanding of mathematical concept. Penelitian ini merupakan penelitian eksperimen semu yang bertujuan untuk mengetahui...
Research and development aims to produce LKPD with an effective scientific approach in terms of the ability to understand the concept of learners. The subject of this research is the students of class VII SMP Negeri 3 Batanghari Lesson... more
Research and development aims to produce LKPD with an effective scientific approach in terms of the ability to understand the concept of learners. The subject of this research is the students of class VII SMP Negeri 3 Batanghari Lesson Year 2017/2018. The design of this research is Pretest-posttest control group design. Research data obtained through observation, interviews, questionnaires and tests the ability of conceptual understanding. The t-test is performed to find out the average difference in conceptual comprehension. LKPD with developed scientific approach has been valid by material experts and media experts. The result of field test showed improvement of students' concept comprehension ability using LKPD with scientific approach showed 74% achievement and average gain of 0.73. Based on the results it can be concluded that LKPD with an effective scientific approach to improve the ability to conceptual understanding of learners. Penelitian dan pengembangan ini bertujuan ...
This study is a research development (R&D) that aims to find out developing Problem-Based Learning (PBL) to improve students' mathematical problem solving abilities and valid, practical and effective student self-efficacy. The... more
This study is a research development (R&D) that aims to find out developing Problem-Based Learning (PBL) to improve students' mathematical problem solving abilities and valid, practical and effective student self-efficacy. The procedure of this research uses research development by Borg & gall, Research and Information Collecting, Planning, Developing Preliminary of Products, Preliminary Testing ,Main Product Revision, Main Field Test, Operational Product Revision, Operational Field Testing, Final Product Revision, Dissemination and Implementation, but in this study it was carried out only to the sixth stage. Data collection techniques using observation, interviews, questionnaires, and tests. The design is validated by the learning model design expert, while the learning device is validated by the material expert, media expert and education practitioner. Furthermore the design was revised according to expert opinion. It was concluded that the ability to solve mathematical proble...
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This quasi experimental research aimed to know whether the learning model of two stay two stray (TSTS) could increase the student’s mathematical conceptual understanding . TSTS was a learning model which demanded students to explain... more
This quasi experimental research aimed to know whether the learning model of two stay two stray (TSTS) could increase the student’s mathematical conceptual understanding . TSTS was a learning model which demanded students to explain work result of their group to other group. The design which was used in this research was pretest posttest control group design . The population of this research was all students of grade 7 th of even semester of SMP Negeri 1 Natar in academic year of 2013/2014. The samples of this research were students of VII A and VII B class which were taken by purposive sampling technique with considering to the classes were taught by the same teacher . The research data w as obtained by the test of mathematical conceptual understanding. Based on the hypothesis test result and discussion, it was conclude d that learning model of TSTS could increase studen t ’s mathematical conceptual understanding. Penelitian eksperimen semu ini bertujuan untuk mengetahui apakah...
This quasi experimental research aimed to find out the influence of problem based learning model towards student’s mathematical communication skill and belief. The population of this research was all students of grade 8 th in Junior High... more
This quasi experimental research aimed to find out the influence of problem based learning model towards student’s mathematical communication skill and belief. The population of this research was all students of grade 8 th in Junior High School 12 Bandar Lampung that were distributed into 12 classes. The samples of this research were students of VIII-G and VIII-I class which were chosen by purposive random sampling technique. This research used pretest-posttest control group design. The data of this research were obtained by test of mathematical communication skill and questionnaire of belief. Based on the result of this research, it was concluded that the implementation of problem based learning affects the student’s mathematical communication skill but it couldn’t affects the student’s belief. Penelitian eksperimen semu ini bertujuan untuk mengetahui pengaruh model pembelajaran berbasis masalah terhadap kemampuan komunikasi matematis dan belief siswa. Populasi penelitian ini adala...
This quasi experimental research aimed to know the effectiveness of cooperative learning of TAI type viewed by student’s understanding of mathematical concepts. The design which was used was posttest only control design with the... more
This quasi experimental research aimed to know the effectiveness of cooperative learning of TAI type viewed by student’s understanding of mathematical concepts. The design which was used was posttest only control design with the population was all students of grade eight of Junior High School of Muhammadiyah 3 Bandar Lampung in academic year of 2014/2015 and the research samples were students of VIIIA and VIIIB class that were determined by purposive random sampling. Based on the result of data analysis, it was concluded that the implementation of cooperative learning of TAI type was effective viewed by student’s understanding of mathematical concepts and more effective than conventional learning. Penelitian eksperimen semu ini bertujuan untuk mengetahui efektivitas pembelajaran kooperatif tipe TAI terhadap pemahaman konsep matematis siswa. Desain yang digunakan adalah posttest-only control design dengan populasi adalah seluruh siswa kelas VIII SMP Muhammadiyah 3 Bandar Lampung tahu...
This study aims to develop teaching materials in the form of handouts based on Guided Note Taking on the system material of three-variable linear equations and to determine the quality of handouts in terms of validity and practicality.... more
This study aims to develop teaching materials in the form of handouts based on Guided Note Taking on the system material of three-variable linear equations and to determine the quality of handouts in terms of validity and practicality. This research is a development research that refers to the 4D development model namely define, design, develop, disseminate. The subjects in this study were 2 teachers and 5 students of SMA Negeri 1 Buay Bahuga. The instruments used to measure the quality of the handouts developed included expert questionnaires, teacher and student response questionnaires. Expert questionnaires were used to measure the validity of the handouts, while teacher and student response questionnaires were used to measure the practicality of the handouts. The research product was a handout based on Guided Note Taking on the material of the system of linear equations of three variables for class X SMA. The results showed that from the aspect of validity it was included in the ...
This research is aimed to determine the effectivity of cooperative learning model through Numbered Heads Together (NHT) by visual media on students’ achievement in material life organization of VII grade SMP Rehoboth. The research is... more
This research is aimed to determine the effectivity of cooperative learning model through Numbered Heads Together (NHT) by visual media on students’ achievement in material life organization of VII grade SMP Rehoboth. The research is quasi experimental design, with nonequivalen control group design. The research samples are VIIa and VIIb grade. The technique of data collecting is by using random sampling. The average score of the students’ achievement that has been teach by using Numbered Heads Together (NHT) of cooperative learning model with visual media is 14,89 as higher than the conventional model of 11,29. The t-test in standard 5% shows tcount= 5,023 bigger than its comparation to ttable = 1,679, it means there is a significant difference in the post-test result. The counting of effect size is 1,27 it includes high, so the concluded that Numbered Heads Together (NHT) of cooperative learning model with visual media gave 39,80% of contribution on students’ achievement.Key wor...
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Metacognition is a person's knowledge, awareness and control of the process and the results of his thinking, this study aims to describe the students' metacognitive abilities in solving problems with the Two Variable Equation... more
Metacognition is a person's knowledge, awareness and control of the process and the results of his thinking, this study aims to describe the students' metacognitive abilities in solving problems with the Two Variable Equation System (SPLDV). The ability of Metacognition in this study consists of three stages: planning, monitoring, and evaluation. The research is descriptive qualitative. The subjects in this study from class VIII grade students of SMP Negeri 3 Bandar Lampung. Data collection techniques in this study were written tests, observations, interviews, and documentation. The data technique reduction data, presenting data and drawing conclusions. The results of research conducted on male and female students show that there is no difference in using the structure or ability that it already has to solve mathematical problems encountered. However, there are differences in the procedure for carrying out problem-solving. While the steps to plan and look again there are no ...
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This study aims to determine the improvement of students' mathematical communication skills in online learning by using instructional video media. The study used a quasi-experimental method with a pretest-posttest control group... more
This study aims to determine the improvement of students' mathematical communication skills in online learning by using instructional video media. The study used a quasi-experimental method with a pretest-posttest control group design. The research subjects were students of class VIII in a private Junior High School in Bandar Lampung City. There are two classes in this study, namely the experimental class consisted of 33 students and the control class consisted of 33 students. The experimental class received online learning using instructional video media, while the control class used the method without giving intructional videos. The research instrument used a mathematical communication ability test. The results showed that the inprovement in mathematical communication skills in the experimental class was better than the control class
Penelitian ini bertujuan untuk mengetahui efektivitas penerapan model probing-prompting ditinjau dari kemampuan berpikir kritis siswa. Populasi penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 9 Kota Sorong tahun pelajaran... more
Penelitian ini bertujuan untuk mengetahui efektivitas penerapan model probing-prompting ditinjau dari kemampuan berpikir kritis siswa. Populasi penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 9 Kota Sorong tahun pelajaran 2017/2018 yang terdiri dari 8 kelas. Sampel penelitian ini adalah siswa kelas VIII-C yang dipilih dengan teknik purposive sampling. Desain penelitian ini adalah one shot case study. Instrumen penelitian ini adalah tes uraian berpikir kritis. Berdasarkan hasil analisis data, persentase siswa yang memiliki kemampuan berpikir kritis dengan baik kurang dari 65%. Dengan demikian, model probing-prompting tidak efektif ditinjau dari kemampuan berpikir kritis siswa.