scholarly journals Pengembangan LKS pada Materi Cahaya dan Alat Optik dengan Model Inquiry Berbasis Karakter untuk Siswa SMP

2019 ◽  
Vol 3 (2) ◽  
pp. 62-69
Author(s):  
Yasinta Embu Ika ◽  
Ana Silfiani Rahmawati

This research aims to investigate the effect of developing character-based phisic based character inquiry models for junior high school students. This research used the type of Research and Development (R&D) with Quasi Experimental Design in the form of Nonequivalent Control Group Design. The results show: worksheet light and optical instruments based on inquiry models are included in the criteria are very suitable to be used as a study guide for students of class VIII SMP witha presentation on the feasibilityof the worksheet  96,87%; There is a significant difference between the learning outcomes of students who use the Science worksheet  light and optical inquiry model character and students who do not use Science worksheet  light and optical inquiry model character; The application of the Natural Science worksheet  light and optical characterized by the inquiry model can improve students' understanding of the subject matter of light and optical devices. Improved learning outcomes cognitive aspects including the criteria are; and The use of science worksheets light and optical characterized by inquiry models can develop student character that is within the criteria of culture.

2019 ◽  
Vol 5 (2) ◽  
pp. 185
Author(s):  
Yenny Sandria Alexander ◽  
Bhina Patria

This study aimed to increase the understanding of sexuality at the age of puberty through "Remaja MUDA" psychoeducation to increase anti-premarital assertiveness. The module validation was conducted in two phases. First, the content validity was conducted through judgement from ten raters. The results of Aiken’s V analysis showed score sbetween 0,8-0,975 which means that the module has good content validity. Second, the empirical tests to determine the effect of modules on anti-premarital sex assertiveness. This research was quasi-experimental research using an untreated control group design with pretest and posttest. The participants were 30 junior high school students (aged 13 to 14) in Yogyakarta. The results of independent samples t-test showed that anti-premarital sex assertiveness in the experimental group had a significant difference compared to control group (t = -10.063; p < 0.05). The results of the study indicated that the "Remaja MUDA" module can be used to increase anti-premarital sex assertiveness.


2020 ◽  
Vol 3 (2) ◽  
Author(s):  
Astian Artiningsih ◽  
Sabar Nurohman

This study aims to analyze the investigative skills of Junior High School students upon the use of tracker video analysis for 21th century skill.This reasearch was quasy experimental reasearch using non-randomized pretest-posttest control group design. The population was 8th grade of SMP Negeri 4 Depok in academic year of 2018/2019, which consists of 4 classes with a total of 127 students. The samples consist of 30 students of class VIII A and 30 students of class VIII B, which are selected using cluster sampling technique. The Class VIII A was chosen as the control class, which used powerpoint and video, whereas Class VIII B was prepared as the experiment class, which used Tracker Video Analysis. The instruments used were pretest-posttest questions and observation sheet of investigative skill. The data analysis technique used was t-test. The result of this reasearch shows that the analysis through t-test gives a significance level value of investigative skill of 0.024 (Sig. α). This shows that there is an infuence of investigative skill of students upon Tracker Video Analysis.


2019 ◽  
Vol 4 (1) ◽  
pp. 1-15 ◽  
Author(s):  
Ugi Supriatna ◽  
Achmad Samsudin ◽  
Ridwan Efendi

The misconception of the Solar System topic is still found in students so that it becomes one of the obstacles in the learning process. The purpose of this study is to analyze the effectiveness of the implementation of Predict-Observe-Explain-Apply (POEA) learning to change the junior high school students' conception in the Solar System topic. Quasi-experimental research with the non-equivalent control group design was conducted in one of the private junior high schools in Bandung city. Samples were selected based on the test of the average significance of the pretest score of the population. Furthermore, 30 students of the experimental class and 32 students of control class were selected. The research instrument, which consisted of 15 four-tier diagnostic test questions about Solar System were used to collect data before and after treatment. The tests were analyzed quantitatively by using the Mann-Whitney statistical test to determine the significance of the difference in the acceptable conception changes (Acceptable Change) of students in the experimental class with changes in the conception of students in the control class. The results of the research show that the implementation of POEA learning is significantly more effective than POE learning in changing the conception of Solar System topic. The findings of this study can be an alternative for junior high school teachers in planning learning about the Solar System, especially in an effort to change students' misconception about the Solar System.


Author(s):  
E N Sumarni ◽  
A Widodo ◽  
R Solihat

<p class="Abstract">Drawing – based modeling as learning approach, it allows students to create models based on drawing which help them to run a simulation. Students can use drawing–based modeling to learn a pair of interacting population known as predato–prey system while they usually conducted practicum using diagram of organisms. This study was to explore students’ argumentation and students’ understanding on the concept of the ecosystem. The study was conducted quasi – experimental using the matching – only post-test – only control group design. The participants consist of 60 grade 10 senior high school students in Subang, West Java. They are placed into two groups, 30 students in the experimental group and 30 students in the control group. Data was collected through argumentation test and selected response test for assessing students’ understanding. Students’ argumentation were analyzed using Toulmin’s argumentation pattern and statistical analysis. The result showed there is no significant difference between the experimental group and the control group for students’ argumentation. Most of the students are predominantly at level 2. But the coherency of arguments of the experimental group is more coherent than the control group. It means that the students in experimental group can make logical claim and supported by the correct and relevant grounds (data, warrant, and backing). The result of students’ understanding showed there is a significant mean score between the experimental group and the control group whether 72.33 for the experimental group and 62.13 for the control group</p>


2020 ◽  
Vol 5 (1) ◽  
Author(s):  
S Sucipto

The purpose of this study was to implement the tactical approach in developing junior high school students’ understanding and games performance in football. The method used in this research was experimental method with pre-test post-test control group design. The research involved two groups, including experimental group with tactical approach intervention and a group with technical approach intervention for developing understanding and skills in playing football of junior high school students. Two instruments were used in this study, namely (1) cognition instrument, multiple choice type, with C1 to C3 difficulty levels to measure students’ understanding in football games learning and (2) Game Performance Assessment Instrumen (GPAI) for measuring football games performance. The reseach involved junior high school students in Bandung. The data collected were analysed by using one-way MANOVA to see the relationship between the groups related to the development of uderstanding and enjoyment. The result of the analysis showed that the t value of understanding variable was -1.64 and significant at the level 0,05 (0,05≤ 0,05) with mean differences -1.32. It showed that there was a significant difference between the tactical and technical group in understanding aspect. Meanwhile, in football games performancevariable, the t value was -5.71 and significant at the level 0,00 (0,00 ≤ 0,05) with mean difference -3.97. It showed that there was a significant difference between the tactical and technical group in football playing skills. According to the result of analysis, it concludes that (1) The implementation of the tactical approach had an effect on students’ understanding in football games learning, (2) The implementation of tactical approach had an effect on games performance of the students in football games learning. AbstrakTujuan utama penelitian ini adalah mengimplementasikan pendekatan taktis terhadap pengembangan pemahaman dan keterampilan bermain sepak bola siswa SMP. Metode yang akan digunakan dalam penelitian ini adalah eksperimen dengan rancangan pretest posttest control group design. Melibatkan  dua kelompok, yaitu satu kelompok eksperimen dengan intervensi pendekatan taktis dan satu kelompok dengan intervensi pendekatan teknis (tradisional) terhadap pengembangan  pemahaman  dan keterampilan bermain sepakbola siswa SMP. Terdapat dua instrument yang akan digunakan dalam penelitian ini yaitu (1) instrument kognisi jenis multiple choise pada tingkat kesukaran C1 sampai dengan C3 yang akan digunakan untuk mengukur pemahaman siswa dalam permbelajaran bermain sepak bola, (2) instrument tes keterampilan bermain sepakbola dengan menggunakan Game Permomance Assessment Instrumen (GPAI). Penelitian akan dilakukan pada siswa-siswi SMP dilingkungan kota Bandung. Semua data yang diperoleh akan analisis dengan menggunakan teknik manova satu jalur yang bertujuan untuk melihat pengaruh antar kelompok baik pada pengembangan pemahaman dan kesenangan secara bersama-sama maupun masing-masing variabel. Hasil analisis menunjukan bahwa pada variable pemahaman diperoleh nilai t sebesar -1.64 dan signifikan pada 0,05 (0,05 ≤ 0,05) dengan mean difference sebesar -1.32. Hal tersebut menunjukan bahwa terdapat perbedaan yang signifikan antara kelompok taktis dan teknis terhadap pemahaman Sedangkan pada variable keterampilan bermain sepak bola diperoleh nilai t sebesar -5.71 dan signifikan pada 0,00 (0,00 ≤ 0,05) dengan mean difference sebesar -3.97. Hal tersebut menunjukan bahwa terdapat perbedaan yang signifikan antara kelompok taktis dan teknis terhadap keterampilan bermain sepak bola. Berdasarkan hasil analisis tersebut dapat disimpulkan bahwa (1) Implementasi pendekatan taktis memberikan pengaruh terhadap pemahaman siswa dalam pembalajaran sepak bola, (2) Implementasi pendekatan taktis memberikan pengaruh terhadap keterampilan dasar bermain sepak bola siswa dalam pembalajaran sepak bola.


2018 ◽  
Vol 1 (1) ◽  
pp. 8
Author(s):  
Anita Nurlela Dinata ◽  
Yusuf Hilmi Adisendjaja ◽  
Amprasto Amprasto

The aim of this research is to know the influence of field trip on scientific literacy and attitude towards science of senior high school students before and after the field trip implemetation in ecosystem learning. The research was conducted in SMAN I Pangalengan. The method which was used in this research is Quasi Experimental with Nonequivalent Control Group Design as the design. The result shows that there are significant difference in scientific literacy between the control class where discussion was applied and the experimental class where field trip was applied, with t = 0.003 and α = 0.05. The result also shows that there is a significant attitude between the control and experimental class, with t = 0.003 and α = 0.05. Those results show that field trip gives significant effect on high school student's scientific literacy and attitude towards science in ecosystem concept.


2018 ◽  
Vol 2 (2) ◽  
pp. 80-84
Author(s):  
Neni Yulianita ◽  
Tri Jalmo ◽  
Abdurrahman Abdurrahman

This study aims to improve the concept mastery of students on optics through the development of a virtual laboratory. This research and development consisted of three stages, namely the preliminary study, the design of the virtual laboratory, and the virtual laboratory testing/implementation. The validity of the virtual laboratory is based on the results of the expert validation on the aspects of suitability of the contents and construction. The study used mixed-methods with exploratory sequential design in the form of Nonequivalent Control Group Design. The samples were taken using purposive sampling technique. This study involved 25 students of class VIII 1 as the experimental group and 25 students of class VIII 3 as the control group at Pugung Junior High School 1. The data were collected using observation, questionnaires and tests, and interviews. Then the data were analyzed using independent sample t-test and homogeneity test to see the learning effectiveness of the two sample groups. The results show that the practicality of learning using the developed virtual laboratory has been very successful and received good responses from the students. The effectiveness of the virtual laboratory can be seen from the N-gain of 0.44 (moderate level). Therefore, virtual laboratories can be used as teaching tools that are able to contribute positively to increase students’ learning outcomes.


2018 ◽  
Vol 2 (1) ◽  
pp. 89
Author(s):  
Elan Artono Nurdin ◽  
Fahrudi Ahwan Ikhsan ◽  
Fahmi Arif Kurnianto ◽  
Bejo Apriyanto

Purpose of this study was to test a model of cooperative team assisted individualizd (TAI) in terms of the initial capabilities junior high school students. The subjects were students of class VII SMP Negeri Sekampung Lampung Province. This study is a quasi-experimental study(quasi-experimental)design Non-Equivalent Control GroupDesign.Learning achievement assessment instruments using essay test. The result of such assessment data is analyzed usingt-test with SPSS16.0 for Windows.The results showed no significant difference model of cooperative team assisted individualizd (TAI) and conventional models in terms of the ability of junior high school students beginning in the implementation of learning strategies IPS. Based on the difference between pretest and post-test showed that the average value gainscore experimental class (45.63) was higher than in the control group (30.02). The results of analysis of test data using independent sample t test showed that the model of cooperative team assisted individualizd (TAI) obtainedvalue probability(p-level) of less than 0.05 is the sig 0.00. Keywords: TAI models, Capability Earlier, Student achievement


2018 ◽  
Vol 8 (6) ◽  
pp. 122 ◽  
Author(s):  
Tryanti R. Abdulrahman ◽  
Nonny Basalama ◽  
Moh. Rizky Widodo

This research has objective to investigate students’ listening comprehension through the use of podcast in EFL classroom. 60 high school students in Indonesia were taken as sample for this research with distribution of 30 students in experiment class and 30 students in control class. The samples were taken by using cluster random sampling. Quasi-experimental method with the post-test only control group design was applied in this research. In addition, a survey questionnaire was administered to experimental group to explore their perception on the use of podcast instruction in teaching listening. Findings revealed that there is a significant difference of post-test score between two groups, favoring experimental group. Data analysis using one way ANOVA showed significance value (sig. 0.010) is lower than &lt; 0.05 which interpreted that Podcast has significant impact on students’ listening comprehension. Additionally, the result of questionnaire indicated that students have positive attitude toward the use of podcast in listening classroom. Students perceived that podcasts provided authentic materials, interesting activities including listening exercises and meaningful tasks for them so they felt more motivated to learn English. This study recommended that teacher may utilize podcast in teaching listening considering its effectiveness as technology based learning tool.


2018 ◽  
Vol 5 (2) ◽  
pp. 135-146 ◽  
Author(s):  
Muh. Fajaruddin Atsnan ◽  
Rahmita Yuliana Gazali ◽  
Maisea Ledua Nareki

Pada konteks penilaian berskala internasional seperti PISA, kompetensi pemecahan masalah dalam bidang matematika dan sains terkait permasalahan nyata merupakan fokus pengembangan kompetensi representasi dan literasi matematis siswa. Mengingat pentingnya pemecahan masalah, kemampuan representasi dan literasi matematis, maka penelitian ini bertujuan untuk mengetahui pengaruh pendekatan problem solving terhadap kemampuan representasi dan literasi matematis siswa SMP. Metode yang digunakan pada penelitian ini adalah metode eksperimen kuasi (quasi experimental), dengan desain penelitian yang digunakan adalah Randomized Posttest-Only Control Group Design, yakni dua kelas yang telah dipilih secara acak, selanjutnya diberikan perlakukan yang diakhiri dengan tes kemampuan representasi dan literasi matematis pada kedua kelas tersebut. Berdasarkan hasil kajian dan analisis data dengan bantuan SPSS 24, maka dapat disimpulkan bahwa pembelajaran matematika dengan pendekatan problem solving berpengaruh terhadap kemampuan representasi dan literasi matematis siswa SMP, khususnya di kelas VIII SMP Negeri Banjarmasin. Terlihat jelas perbedaan cara menyelesaikan masalah yang diujikan kepada siswa kelas eksperimen dan kelas kontrol. Melalui pendekatan problem solving, terbukti dapat menjadikan siswa terbiasa ketika menjumpai soal-soal pemecahan masalah selevel PISA atau TIMSS.The effect of problem solving approach to the ability mathematic representation and literature students AbstractIn the context of international scale assessment such as PISA, problem-solving competence in the field of mathematics and science related to real problems is the focus of developing students' mathematical representation competence and literacy. Given the importance of problem solving, the ability of representation and mathematical literacy, this study aims to determine the effect of problem solving approach on the ability of representation and mathematical literacy of junior high school students. The method used in this research is quasi experimental method, with the research design used is Randomized Posttest-Only Control Group Design, ie two classes that have been chosen randomly, then given treatment which ends with the test of representation ability and mathematical literacy in both classes. Based on the results of study and data analysis with the help of SPSS 24, it can be concluded that mathematics learning with problem solving approach affects the ability of representation and mathematical literacy of junior high school students, especially in class VIII SMP Negeri Banjarmasin. There is a clear difference in how to solve the problems tested to the experiment class and control class students. Through the problem solving approach, it is proven to make the students accustomed when encountering problem solving problems at PISA or TIMSS level.


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