scholarly journals UJI KELAYAKAN KIT PRAKTIKUM PENGUJIAN KEPOLARAN SENYAWA DARI MATERIAL SEDERHANA

2017 ◽  
Vol 7 (1) ◽  
pp. 52-58
Author(s):  
Robby Zidny ◽  
Dirayati Yusrina ◽  
Intan Aryoningtyas ◽  
Nur Indah Elvina ◽  
Mamah Halimah ◽  
...  

This study aims to validate the feasibility of chemistry lab kit made from simple materials on the concept of chemical compounds polarity for high school students in remote areas. Educational research and development model includes needs assessment, product design, expert validity test and limited scale test used in this research. The research instrument used in the form of a questionnaire aimed to test the validity of experts analyzed using Likert scale. A limited scale test conducted on 20 students of 10th grade SMA Negeri 1 Pamarayan Serang to find out the feasibility and practical aspects of the tool. Respondents' opinion on the products obtained through questionnaires and analyzed using descriptive analysis by making the percentage scale of each statement on the questionnaire. The results showed the profile of the chemistry lab kit of chemical compounds polarity made of wood, plastic bottles and magnets with a total mass of ± 0.8 Kg. Based on the results of assessment analysis and validation of experts in the field of education obtained an average assessment of feasibility aspects of 77.50% included in good category. Analysis of the students' assessment of the practicality of the lab kit obtained an average value of 86.6% which is included in the category of very good. While the results of student responses in some aspects of the lab kit in the learning proccess  obtained average value of 76.1% in the category good. The lab kit also facilitate students to understand the test of compounds polarity based on the ability to answer questions which obtained average score of 85.55 in the category of excellent. Keywords: Chemistry lab kit, Chemical compound polarity, Simple Materials

2020 ◽  
Vol 6 (2) ◽  
pp. 289-298
Author(s):  
Reni Tania Reni Tania ◽  
Jumadi Jumadi ◽  
Falentinus Tolino

This study aims to determine Android-based physics learning media (ABLM) with developed Problem Based Learning (PBL) learning. This research uses R&D research. The research steps were guided by the 4D model (Define, Design, Develop, and Disseminate). The research data were obtained through the product feasibility assessment of expert validators (media experts and material experts) and questionnaire responses from class X students of SMA Negeri 1 Tempilang. Collecting research data using validation sheets and questionnaires. Data collected using descriptive analysis. The results of product feasibility by media experts with an average score of 3.72, product feasibility by material experts of 3.76, and student response results of 3.64. The results of expert validation analysis and student responses were in the "Very Good" category. The ABLM media with PBL learning was declared feasible and suitable for learning physics.


2019 ◽  
Vol 9 (2) ◽  
pp. 153-160
Author(s):  
Jarwati Jarwati

This study aims to find out whether the social personal guidance program can improve the discipline of students in class X MIA11 even in the SMA 1 Denpasar in the 2016/2017 school year. The data collection methods are documentation, observation and diary. The research data were analyzed by descriptive analysis method. This technique is considered appropriate because high school students still need to be directed because of a lack of life experience in making a decision or wisdom and in social interaction both in the school environment and outside the school. The results obtained from this study indicate that initially obtained an average value of 58.38 in the less category and in the first cycle it rose to a sufficient category with an average value of 73.80 and in the second cycle it rose to a good category with an average value average of 90.33. The conclusion obtained from this study is that the social personal guidance program can improve the discipline of students of class X MIA 11 even semester at SMA 1 Denpasar in the 2016/2017 school year.


2018 ◽  
Vol 7 (2) ◽  
pp. 109
Author(s):  
Aulia Fonda ◽  
Sumargiyani Sumargiyani

This study aims to determine the feasibility of learning media electronic module (e-module) based on Kvisoft Flipbook Maker Pro on derivative material with Scientific approach using Research and Development research methodology. The study was conducted in two schools by taking 4 students as a student response in small classes and 20 students in a large class. The research instrument used in the form of evaluation formative form of teaching materials for material experts, media experts, and student responses. From the result of the assessment of expert material instrument obtained an average score of 101.25 with very good criteria, the assessment of expert media instruments obtained an average score of 116 with good criteria as well as on student response instruments obtained 86.44 with very good criteria. These results indicate that the e-module of mathematics with the scientific approach of the derived material for the XI class of the even semester high school is worthy of use in the process of learning in the classroom.


2017 ◽  
Vol 1 (1) ◽  
Author(s):  
Dini Hari Marta ◽  
Dezi Handayani ◽  
Anizam Zein

 The purpose of this study was to develop a handout included a glossary on protists  material for class X SMA that is valid and practical. The type of this research is the development research  that uses three phases of  4D model that consisting of define phase (definition), design (design), and develop (development), the fourth phase is  phase of disseiminate (deployment) is not done. This handout is validated by 5 validators, for the practicalities conducted by two teachers and 30 students of  class X IPA 2 SMAN 7 Sijunjung. The data of this research is primary data that is  obtained from the questionnaire validity and practicalities, then analyzed with descriptive analysis. Handout generated from terms of content feasibility, language, presentation, and  chart has an average value of 84.17% and categorized (valid). Handout that is  produced called  practically by teacher  if the average value is  89.58% (practical) and  has been produced by students with 83.91% (practical) of average value.


2015 ◽  
Vol 48 (1-3) ◽  
Author(s):  
Gede Ari Yudasmara ◽  
Desi Purnami

ABSTRACT: Developing Interactive Instructional Media in Biology to Improve Junior High School Students’ Achievement. This study aimed to produce interactive instructional media inter-active which is practical, and effective. This research was a research and development, which was-held in SMP Negeri 3 Bangli Kintamani to the class VIIIA in the Odd semester of the school year 2014/2015. The subjects were Biology teacher and eighth grade students of class VIIIA. The data were analyzed using descriptive analysis related to aspects of practicality and effectiveness through a questionnaire and Biology achievement test. The result shows that 1) the media that was developed has fulfilled the criteria of practicality based on the average score of the response of teachers to 3.73 (categorized positive) and the students' responses 3.5 (categorized very positive) and 2) interactive instructional media of Biology has accomplished the criteria of effectiveness because it has reached the learning outcomes of the test scores of students who achieved an average of 79.04 above KKM (the minimum criteria of mastery) from previously determined 72, and the percentage of students achieving the minimum criteria of mastery is 95.83%. Keywords: instructional media, learning achievement, quality of media ABSTRAK:Pengembangan Media Pembelajaran Interakif Biologi untuk Meningkatkan Hasil Belajar Belajar Siswa SMP. Penelitian ini bertujuan untuk menghasilkan media pembelajaran interaktif biologi yang praktis, dan efektif. Penelitian ini merupakan penelitian pengembangan, yang dilaksanakan di SMP Negeri 3 Kintamani Bangli, pada kelas VIIIA semester Ganjil tahun pelajaran 2014/2015. Subjek penelitian ini adalah guru Biologi dan siswa kelas VIIIA SMP Negeri 3 Kinta-mani. Teknik analisis data menggunakan analisis deskriptifyang berkaitan dengan aspek kepraktisan dan efektivitas melalui angket dan tes hasil belajar biologi siswa. Hasil analisis data menunjukkan bahwa 1) media pembelajaran yang berhasil dikembangkan telah memenuhi syarat kepraktisan ber-dasarkan rata-rata nilai respon guru 3,73 (terkategori positif) dan respon siswa 3,5 (terkategori sangat positif) dan 2) Media pembelajaran interaktif biologi ini telah memenuhi syarat keefektivan karena telah berhasil mencapai nilai tes hasil belajar siswa yang mencapai rata-rata 79,04 diatas KKM yang ditetapkan yaitu 72, dan persentase tingkat ketuntasan minimal siswa mencapai 95,83%. Kata-kataKunci: hasil belajar siswa, kualitas media, media pembelajaran


2021 ◽  
Vol 2 (2) ◽  
pp. 557-568
Author(s):  
Fardila Hayati ◽  
Arief Aulia Rahman ◽  
Cut Eva Nasryah

Abstract: This study aims to describe: (1) the validity of student worksheets based on problem; (2) increasing the mathematical communication skills of high school students by using student worksheets based on problem; (3) student responses to the development of student worksheets based on problem. This research is research and development. This research was conducted using Dick and Carrey model. The population in this study were all students of class X Darul Aitami private high school. Sampling used simple random sampling and the classes used as samples for the trial were class X-1 and class X-2. From the results of trial 1 and trial 2 it can be obtained: (1) student worksheets are included in the valid category, reviewed from several aspects, namely: format, language, material, and content. (2) the improvement of students 'mathematical communication skills by using student worksheets based on problem increased by 6.9%, in the first trial results the students' average score was 73.4% and after conducting the second trial it increased by 80.3%. (3) student responses to the components of student worksheets and learning activities using student worksheets are positive. Furthermore, it is suggested that teachers can use student worksheets based on problem as an alternative to learning, with the guidance or questions provided that are affordable to students, so that students understand the problems they are given more easily.


2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Tjeppy Tjeppy

Increasing legal awareness must start from education. A good education will produce humans who are responsible, tolerant and care for the environment. Legal awareness among students is essential. Students are the nation's next-generation. High legal awareness among lessons can provide comfort and discipline, especially in schools and, in general, in the community. This study aimed to analyze the effectiveness of civic education learning on legal awareness of class X students at SMAN 1 Ciranjang, Cianjur regency. The method used is a quantitative method with 60 students and sampling using purposive sampling with a sample size of 60 students. Retrieval of data utilizing observation and questionnaires distributed to the research sample. The descriptive analysis results show that the class X student civic education learning at SMAN 1 Ciranjang is in the high category with an average score of 80.60 of the ideal score of 100. The legal awareness of class X students at SMAN 1 Ciranjang is in the high sort with an average score of 80, 57 out of the ideal score of 100. The inferential analysis results show a significant influence between civic education learning on legal awareness in class X students at SMAN 1 Ciranjang. The results showed that high school students' common understanding was implemented on the students' values regarding the level of obedience to the existing laws (school rules). Students carry out legal awareness among students towards their high understanding of the law for students that can result in obeying the rules that apply in school. On the other hand, low awareness among students will violate the regulations that apply in schools.


2021 ◽  
Vol 884 (1) ◽  
pp. 012047
Author(s):  
I Nurkholifah ◽  
D R S Sumunar

Abstract Earthquake was a disaster that could not be predicted. The threat of earthquake in Imogiri needes attention to reduce the risk because of the disaster impact. The socialization and disaster training are needed to increase the students’ preparedness at school. The purpose of the research was to know the students’ preparedness level in Senior High School 1 Imogiri in facing the earthquake disaster. This research was descriptive research using quantitative approach. The data collection techniques used in the research were interview, documentation and questionnaire, that was the instrument of students’ preparedness in facing earthquake disaster in Senior High School 1 Imogiri. The data analysis technique used in the research was descriptive analysis with quantitative approach using frequency table. The results of the research showed that:Senior High School 1 Imogiri students’ preparedness in facing earthquake disaster was in the Ready category with average score 44,8. The indicators in the Ready category were the knowledge about earthquake and the resource mobility, while the indicators in the Less Ready were the attitude toward the earthquake, early warning system and the actions when the earthquake occurred.


Author(s):  
Chanafi Chanafi ◽  
Achmad Noor Fatirul ◽  
Hartono Hartono

The implementation of the 2013 curriculum in Indonesia’s education still faces many obstlacles. One of them is the lack of appropriate  teaching materials, it causes difficulties for both students and teachers during teaching and learning process. This development aims to produce a student worksheet with used guided discovery learning model for student grade X, analysing the appropriateness of the worksheet, and analysing students responses on the developed worksheet. The type of this study is Research and Development. Development model used in this study is the one according to Branch that is ADDIE which consists of analyse, design, development, implementation, and evaluation. The results showed a content worthiness score of 87.21% with very decent criteria, presentation worthiness of 89.09% with very decent criteria, linguistic worthiness of 83.64% with very decent criteria and graphics worthiness of 89.67% with very decent criteria. The average of the four components of the study and validation was 87.37% with very decent criteria. While the average score of the percentage of student responses was 83.13% with very good criteria. So it can be concluded that the Student Worksheet (LKS) developed was stated to be very suitable for use in the learning process and obtain positive responses from students


2019 ◽  
Vol 3 (2) ◽  
pp. 431-436
Author(s):  
Sri Islami Kulsum ◽  
Tommy Tanu Wijaya ◽  
Wahyu Hidayat ◽  
Jessica Kumala

The purpose of this research is to find students’ mathematical creative thinking skills on solving mathematical problems by using several indicators. This study was conducted in 1st Pasundan High school in Cimahi. The data analysis that would be use is the quantitative and qualitative descriptive analysis. The subject of this research are the 10th grade 2nd science students with a total of 22 students. The result of this research that is obtained from the fluency and flexibility indicator is in the low category with a percentage score of 56.8%, with an average of 2.27. When using the originality and elaboration indicator, it was also in the low category with a percentage score of 20.4% and 38.6% and average score of 0.81 and 1.54 respectively.


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