Experimental Control Class Research Articles

Implementing the use of group discussion in writing descriptive text: A case on teaching method

The purpose of this research to measure the effect of group discussion on the students’ ability in writing descriptive text at grade eight of SMP Negeri 9 Pematangsiantar. The research method of this research is the quantitative method using a quasi-experimental research design. In quasi-experiment design, there are two groups, the experimental and the control group, and for the test using pre-test and post-test. The population would be used in this study was all students of class VIII at SMP Negeri 9 Pematangsiantar. Based on the data analysis, it was found that the use group discussion method was effective in improving students’ ability in writing descriptive text. Mean pre-test in experimental class was 57,17 while the mean post-test was 71,20 mean pre-test in control class was 48,58 while the mean post-test was 64,37 standard deviation in experimental class was 2664 while in control class was 1950,75 mean post-test in experimental class control 71,20. 64,37 the hypothesis value showed that the t table value was higher than the t table value 2,34. 1673 the finding of the research indicate that the use of group discussion method was effective in students’ ability in writing descriptive text this is approved by the students score in experimental class is higher than the control class.

PENGARUH METODE TUTOR SEBAYA (PEER TEACHING METHOD) TERHADAP KETERAMPILAN MENULIS PUISI SISWA KELAS IV SDN 1 KAWO TAHUN AJARAN 2021/2022

This research aimd to find the influence of Peer Teaching Method students poetry writing skill at IV grade students of SDN 1 KAWO in academic year 2021/2022. The method used in this research is quasi experiment with research Nonequivalent Control Group Design. Sampling used a saturated sampling technique. The sample of this research is 38 students. In the control class used conventional methods and in the experimental class used Peer Teaching Method. The instrumen used to collect data is the skill of writing poetry by using rubric and observation sheet. the data obtained were tested by using t-test formula that is test Polled Variance at 5% significant level. The results showed that the average value of Pretest experimental class is 61 and the average Pretest grade of control is 55,1. After the action done in both classes, the average of posttest of experiment class obtained is 74,4 and control class is 62,7. Result of t-count of hypotesis test in experiment control class are -0,015, while result of ttable by using interpolation formula is -2,662 Based on the result of hypothesis testing, it is obtained tcount ≥ ttable at a significant level of 5%, then HO is rejected and Ha is accepted. Therefore it can be concluded that the use of peer teaching method influenced the skill of poerty writing at IV grade student of SDN 1 Kawo in academic year 2021/2022.

Pengaruh Model Pembelajaran Project Citizen terhadap Kemampuan Berpikir Kritis Siswa pada Mata Pelajaran Pendidikan Pancasila dan Kewarganegaraan

This study aimed to implement project citizen learning and analyze the effect of the project citizen learning model on students' critical thinking skills. This study utilized a quasi-experimental method through the independent sample t-test with the N-Gain Score test to determine the difference in critical thinking skills between the experimental control class and the class. Project citizen learning was implemented through six stages: problems, problem selection as discussion material, data collection, portfolio development, portfolio presentation, and learning reflection. The project citizen learning model significantly affected students' critical thinking skills in Civics subjects with a significance value of less than 0.05, namely 0.000 < 0.05. Students had changed for the better after applying the project citizen learning model.

Development of Physics Learning Devices in High School Based on Science Technology Engineering and Mathematics (STEM) Assisted by Android in Dynamic Electricity Subject Matter

This research is a development research with a 4D development model. The study was conducted in class XII IPA 1 and IPA 2 in SMA Negeri 1 Moutong, each class consisted of 25 students. The instruments used were observation sheets, test questions and documentation. The data obtained consisted of experimental class data and control class data. For Cognitive tests in the experimental class, data were obtained that the percentage of graduation was 89%, while for the control class the percentage of graduation was 76%. For the attitude assessment, in the experimental class the total percentage of all meetings was 84,4%, while in the control class the total percentage of all meetings was 79%. For the Skills assessment, in the experimental class the total percentage of all meetings was 80%, while in the control class the total percentage of all meetings was 76%. For Percentage of Activity of Students, in the experimental class the total percentage of all meetings was 81,3%, while in the control class the total percentage of all meetings was 79,1%. Then from the process of analyzing Validity, Reliability, Difficulty Index, and Differences in the items it was found that, 24 items were received from a total of 25 items submitted. As well as in the interview results were found, namely a positive response from the teacher and students interviewed. The performance of the Android application is very good, able to calculate each score of the experimental class students in 0 (zero) seconds. So, it was concluded that the learning devices developed and assisted with Android were valid, practical and effective quality.

Pengaruh Penerapan Model Pembelajaran Learning Cycle 5E Terhadap Kompetensi Belajar Peserta Didik Tentang Materi Sistem Gerak Kelas XI MIPA SMA Pertiwi 1 Padang

ABSTRACT
 
 The problem at SMA Pertiwi 1 Padang is the low level of student learning competencies which includes aspects of knowledge, attitudes, and skills. Efforts that can be done are applying the LC 5E learning model on ecological material at Solok Selatan 5 High School. This type of research is a semi-experimental research design, namely the Randomized Control-Group Posttest Only Design. The population in the study of all students of class XI MIPA SMAN Pertiwi 1Padang who were enrolled in the 2019/2020 Academic Year amounted to 82 people grouped in four classes. Sampling used purposive sampling technique, class XI 2MIPA as experimental class and class XI 3 MIPA as experimental class control. Instruments in the form of posttest questions for knowledge competencies, observation sheets for attitude competencies and product assessment for skills competencies. Based on the results of the study using the t-test on the competency of students' knowledge the value of tcount was 3,02>1,67 t table, and the competency skill was tcount 3,67>1,67 t table. In the attitude competence of the experimental class 83% are good categories while the control class is 72% with sufficient categories. This shows that the hypothesis is accepted in the competence of knowledge, attitudes and skills. The conclusion of the study is that the LC 5E learning model has a positive effect on students' learning competencies in ecological material at SMA Pertiwi 1 Padang.
 
 Keywords: Learning Cycle 5E, Learning Competencies

Kemampuan Guru Membangun Literasi Etnomatematika Anak di TK Al Hikmah Mujahidin dan TK Kartika XIX-3, Cimahi, Bandung

The AUD study at Al Hikmah Mujahidin Kindergarten and TK Kartika XIX-3 applied a descriptive and quantitative research approach using quasi-experimental techniques. The design carried out has the consideration that, if random grouping is carried out, it will disrupt learning and programs at school. The experimental design used is the non-equivalent control group design. The purpose of the research is to find out and examine the teacher's ability to build ethnomatematic literacy at TK AL Wisdom of Mujahideen and TK Kartika XIX-3. The benefits of research are to help develop the repertoire of theories, knowledge and practices regarding the ability of teachers to develop ethnomatematic literacy. This study produced several findings related to child etnomatematics literacy. Based on the results of the study it was found that the average ethnomatematic literacy before learning did not differ significantly from the experimental-control class. That is, that before learning is carried out, the initial ability difference between the two classes is obtained. Furthermore, after the action was carried out, posttest was carried out to see the final results after being given treatment in both classes. The posttest results on ethnomatematics literacy prove that there is a greater increase in the experimental class compared to the control class. The average posttest of the experimental class is 125.43 with the percentage of achievement that is equal to 91% while for the control group the average is 105.95 with the percentage of achievement that is equal to 82%. Summary of the scores on children's ethnomatematic literacy in the control and experimental classes. The results of the study prove that the actions in the experimental class were able to improve children's ethnomatic literacy better than the control class.

PENERAPAN METODE INQUIRY TERHADAP HASIL BELAJAR SISWA PADA MATA PELAJARAN IPS TERPADU DALAM MATERI KERAGAMAN FLORA DAN FAUNA DI INDONESIA DI KELAS VII SMP NEGERI 1 TEBAS

The problem in this research is "Implementation Methods of Inquiry Against Student Results AtSubjects IPS Integrated In Creative Diversity Flora And Fauna In Indonesia In Class VIIJunior High School 1 Tebas", with sub-problems of research: (1) student learning control classwho did not apply his method of inquiry in social studies Integrated in the material diversity offlora and fauna in Indonesia in class VII SMP Negeri 1 Tebas. (2) The results of theexperimental class students learn to apply methods of inquiry in social studies Integrated in thematerial diversity of flora and fauna in Indonesia in class VII SMP Negeri 1 Tebas. (3) Thedifference in student learning outcomes with the experimental class control class thatimplements the method of inquiry in social studies Integrated in the material diversity of floraand fauna in Indonesia in class VII SMP Negeri 1 Tebas. The variables in this study consistedof the dependent variable and independent variables, the independent variable of this researchis the result of learning and the independent variables are methods of inquiry. This study usedan experimental method, the research is a form of quasi-experimental research or experimentwith the study design quasy two-group post-test only design. The population in this study theentire seventh grade students totaling 196 people. The sampling technique using clustersampling. Data collection techniques used in this study is the direct observation techniques,measurement techniques, and documentary techniques. And tools used are observation sheets(IPKG 2), achievement test, and documentation. Based on the analysis and discussion of dataobtained: (1) the average student learning outcomes in control class is 69.62 which is quiteenough. (2) The results of the calculation, the average student learning outcomes in theexperimental class at 73.23 which is quite good. (3) based on calculations using the t test wasobtained tcount ≥ ttable, 2.27 ≥ 2.00 then there is a difference in student learning outcomes with theexperimental class control class that implements methods of inquiry.