Learning Outcomes In Experimental Class Research Articles

Pengaruh Strategi Metakognisi Terhadap Hasil Belajar dan Keterampilan Berpikir Kritis Siswa pada Materi Sistem Peredaran Darah Manusia di SMA Negeri Trumon Kabupaten Aceh Selatan

Metacognition skills enable students to develop into independent learners because they are the managers and assessors of their own thinking and learning. The purpose of this study was to determine the effect of metacognition strategies on learning outcomes and students' critical thinking skills on the subject of human circulatory system in SMA Negeri Trumon, South Aceh Regency. The method used in this study was True Experimentation with the form of Pretest-Posttest Control Group Design. The sample selection was conducted by random sampling. The population in this study were 223 students with a sample size 150. Data collection techniques on learning outcomes and critical thinking skills were carried out by providing pre-tests and post-tests in the form of objective tests. The learning outcomes and critical thinking skills was analyzed using N-Gain. N-Gain value for learning outcomes in experimental class (67,16) > N-Gain control class (51,57). The conclusion of this study is that the metacognition strategy influences the learning outcomes and critical thinking skills of students on the human circulatory system subject at SMAN Trumon, South Aceh District.

EXO-OLO Task Learning Model: Improving Learning Activities and Student’s Collaboration In Geography Learning Based On Lesson Study

Aims of this paper was to find out the improvement of learning activities and collaboration in geography learning in the “dynamics of the atmosphere and its effects on life” topic through the application of EXO-OLO Task learning model. This learning model was developed in the author's dissertation research and based on cognitive and constructivist learning theory. It is also included in collaborative learning model. The type of the research is quasi experimental research. The populations of the study are students of grade tenth of Universitas Negeri Padang Laboratory High School. The experimental class and the control class were selected by simpel random sampling techniques. The treatment in the experimental class (XA) is using the EXO-OLO Task learning model, while in the control class (XB) using the common method which is used by teachers. The data is collected by using observation sheet of student’s learning and collaborative activities as well as student’s daily test (UH). The observation sheet has been validated by the experts. The data analysis of student’s learning and collaborative activities uses descriptive technique. In addition, the ‘t’ test is used to get to know the differences of learning outcomes between experiment class and control class. The result shows that there is an improvement in the quality of learning activities and student’s collaboration using the EXO-OLO Task learning model. This is proved by the increasing of the number of students who got three in learning activities and collaboration after four meetings. The quality of student’s learning activites increases as expected. The "t" test results show the differences between experimental class and control class learning outcomes proved by significance values. Based on the results of this study, the authors propose the teachers to use EXO-OLO Task learning model in geography learning to improve learning activities and collaboration.

Pengembangan Pembelajaran Kimia Larutan Berdasarkan Ilmu Pengetahuan dan Pengaruhnya Terhadap Hasil Belajar dan Minat Siswa di Kelas XI SMA

This study aims to obtain chemistry-based teaching materials for scientific literacy on buffer solution materials that meet BSNP criteria, and to the extent able to improve the chemistry learning outcomes of high school students. This type of research is the development of ADDIE research model carried out in class XI MIA SMA Parulian 1 Medan. The instruments used were test and non-test instruments that had fulfilled validity. The study was conducted in 2 stages, namely the manufacturing phase of teaching materials based on scientific literacy and the limited trial phase. The results of the study are (1), it has been obtained teaching materials Buffer Solution based on science literacy that meet BSNP standards namely content eligibility = 3.51, presentation eligibility = 3.49, Language eligibility = 3.64, and feasibility of graphic = 3.69. (2), the results of limited trials in learning indicate that the average value of student learning outcomes in experimental class I was 83.10 higher than experimental class II of 75.24. (3), the results of limited trials in learning showed that the average student interest in the experimental class I was 79.33 higher than in the experimental class II which was 69.45.

Pengaruh Model Pembelajaran Probing Prompting Berbantuan Video Terhadap Hasil Belajar Dan Kemampuan Berpikir Kritis Peserta Didik

This research aim to examine the effect of probing prompting assisted video learning model for learning outcomes and critical thinking skill of student. This type of research is quasi experiment with untreated control group design with pretest and posttest. The research population was all students of X MIA MAN 2 Mataram. Sampling technique of this research use cluster random sampling so that there are two classes that is X MIA 1 as the experimental class and X MIA 3 as the control class. Type test used 20 choice question for learning outcomes and 5 essay for critical thinking skill. The posttest mean value for learning outcomes in experimental class and control class is 42,36 and 34,86. The posttest mean value for critical thinking skill in experimental class and control class is 54,86 and 46,08. Hypothesis testing of this research is MANOVA. The result of MANOVA test show a significant 0,004 so H0 is rejected and Ha is accepted. The conclusion of this research is there is the effect of probing prompting learning model assisted video for learning outcomes and critical thinking skill of student.ÂÂ

Pengaruh Media Video Siklus Hidup Hewan Terhadap Hasil Belajar Siswa Kelas IV SDN Mugarsari

Video media can help students in effectively understanding to abstract concepts. Many students did not perform their work and difficult to understand the abstract concept of the animals’ life cycle. The lack of understanding was caused by the lack interactive and conventional material delivery by the teacher. Teacher tried to improve students’ learning outcomes by developing strategies in learning science through videos. Therefore, this study aimed to describe the use of video media on the animals’ life cycle material on fourth grade learning outcomes. This quantitative research used quasi experimental design with pre-test and post-test by using a written test as instrument. The subjects of this study were students of class A and B of fourth grade of Mugarsari Elementary School. Based on the findings, the implementations of learning through videos positively enhance learning outcomes. By well-designed research plan and implementation of activities through learning videos, the students’ learning outcomes of experimental class improved. The the average score of experimental class learning outcomes by using video media is higher than the control class without using video media. Based on testing the hypothesis using the SPSS program version 20.0, t obtained 2.127 was higher than table of 2.034 with a significant level (α = 0.05). It concluded that there is a significant different on students’ understanding before and after learning by using video

PEMANFAATAN ANIMASI MACROMEDIA FLASH DALAM MENINGKATKAN HASIL BELAJAR

Abstract
 This study aims to implement macromedia flash animation in improving student learning outcomes on the topic of buffer solutions. This research was conducted in the first semester of the basic chemistry course with the topic of buffer solution. The samples in this study were first semester students at the University of Riau divided in 2 classes. This study is quasi-experimental, by making treatment in the experimental class (animation class) by comparing with the control group. The hypotheses tested in this study are: Ha = There are differences in the level of learning outcomes of the experimental class and the control class and H0 = There is no difference in the level of learning outcomes of the experimental class and the control class. Hypothesis testing is done by the independent sample T-Test on SPSS 22 with a significance level of 0.05 which used gain score. Based on the results and discussion it can be concluded that the experimental class has an increase in learning outcomes by 57%, while the increase in student learning outcomes in the control class is only 39%, which is about 2/3 of the increase in learning outcomes of the experimental class. Based on the results of the hypothesis test it can be concluded that Ha is accepted, namely there are differences in the level of learning outcomes of experimental class and control class where significance is equal to sig = 0.000, this value is smaller than the significance level of 0.05.
 
 Keywords: animation, macromedia flash, learning media, learning outcomes, buffer solutions

Efektifitas Model Pembelajaran Group Investigation (GI) terhadap Hasil Belajar Materi Sistem Reproduksi Manusia Pada Siswa Kelas IX.1 di SMP Negeri 13 Pekanbaru

This study aims: 1) To determine the effectiveness of the Group Investigation (GI) model in the subject matter of the human reproductive system in class IX.1 and IX.2 Pekanbaru SMP Negeri 2) To improve the learning outcomes of students in class IX.1 and IX.2 SMP Negeri 13 Pekanbaru is the subject matter of the human reproductive system through the Group Investigation (GI) model. The effectiveness of the Group Investigation (GI) learning model can improve learning outcomes in classes IX-.1 and IX.2 Pekanbaru State Junior High School 13. This situation can be seen from the results of the tests that have been done, obtained the average value for the experimental class is 66.43 lowest value = 50 and the highest value = 97, and students who complete KKM = 27 students and KKM incomplete = 10 students. While the average value of the control class is 54.67 the lowest value = 30 and the highest value = 80, and students who have completed KKM = 9 students and students who have not completed KKM = 27 students. From the analysis of hypothesis testing it is known, that the experimental group is better than the control group. This is indicated by the value of tcount = 5.409. Ho testing criteria is accepted if tcount <t table. The results of the tcount are then consulted with ttable where a = 5%, dk = n1 + n2 - 2 = 85, obtained = 1-α t (0.95) (85) = 1.66. Because in this study tcount = 5.409 and t table = 1.66, and this means tcount <ttable, then Ho is accepted or significant. And the hypothesis that the experimental class learning outcomes are better than the control class, accepted. Thus the learning of material biology in the human reproductive system using the cooperative learning model type Group Investigation (GI), and the hypothesis which states that the experimental class learning outcomes are better than the control class, accepted.

Comparison Of Cooperative Learning Models With Inquiry on Student Learning Outcomes

Purpose of this study was to find out how the learning outcomes of class X Marketing students on business communication material using cooperative-based learning models, knowing how to learn Marketing class X students on business communication material using inquiry-based learning models, find out whether there are differences in learning outcomes of class X Marketing students on business communication material with cooperative learning and inquiry models. It is said that cooperative learning models are due to teaching strategies designed to educate group cooperation and interaction between students. While the inquiry learning model is learning that is centered on the activities of students to find their own experiences and knowledge. The design of this study is pre-test, treatment of learning models, and post-test. The results of this study are that there are differences in the learning outcomes of experimental class 1 students (X Pm 1) with an average value of 74.75 and experimental class 2 (X Pm 2) with an average value of 77.00. And the calculation using the t-test obtained tcount= 2.086> ttable = 0.39. Based on the results of these studies it can be concluded that the experimental class 2 which uses the inquiry learning model is better than the experimental class 1 which uses the cooperative learning model.

The Effectiveness of Reciprocal Teaching Model on the Ecosystem Material

Learning of reciprocal teaching model directing students to better understand the concepts and independent study. The purpose of this research is to analyze the effectiveness of reciprocal teaching model on ecosystem material to learning outcomes and conservation attitudes of high school students. The design of this research was quasi-experimental. The research population was all students of class X Sciences SMA Negeri 5 Magelang. Sampling was done by purposive sampling technique. The sample used is class X Sciences 2 (control class) and class X Sciences 3 (experimental class). Data collection techniques using observation, test, and questionnaires. Based on the results of the t test obtained the value of t count (4.249) > t table (2.068) which indicates that Ha is accepted. These results are supported by the results of students’ classical completeness of experimental class > 85% i.e. of 91.67% and the N-gain value of experimental class all students get value in the medium category compared to the control class there is one student in low category. Psychomotor learning outcomes of experimental class have higher average (79.98%) than the control class (75.34%). The results of conservation attitudes in experimental class > 75% of students get in good and very good categories in all observed conservation attitudes. The results of students’ responses showed 87.50% of students give responses in good and very good categories of reciprocal teaching model. The conclusion of this research is the use of reciprocal teaching model effective on ecosystem material to learning outcomes and conservation attitudes of students at SMA Negeri 5 Magelang.

PENGARUH BAHAN AJAR INTERAKTIF TERHADAP HASIL BELAJAR SEJARAH SISWA SMA DI PADANG PANJANG : APLIKASI COURSE LAB 2.4

This study aims to look at the effect of using interactive course lab teaching materials on students' ability to understand concepts in historysubject. The problem of this study is the low level of students' knowledge of the concept material which is indicated by the low learning outcomes of IPS X grade students of high school in Padang Panjang are still many under the KKM (75). The teacher still does not use interactive teaching materials in learning. For this reason, we need an interactive teaching material that has not been used in Padang Panjang High School which is expected to improve learning outcomes. In connection with that Alvani Maizal Asri (2018) has made an interactive teaching material in his research entitled "Development of interactive teaching materials using the course lab application on Indonesian History subjects. The solutions offered in this study introduce the use of interactive teaching materials in historical learning and also as a follow-up to Alvani Maizal Asri's research to continue the next phase of Development. This type of research is experimental research. The population of this study was class X IPS with a sample of 181 people taken by random sampling. Data retrieval is done by pretest and posttest by using multiple choice questions as many as 40 questions. Data analysis using normality test, homogeneity test and hypothesis test (t test) and effectiveness test. The findings of the study at SMAN 1 Padang Panjang showed the average value of the difference between the experimental class students' learning outcomes 11,14 and SD 2,75 while the average difference in learning outcomes of the control class students was 10.14 with SD 2.25. Analysis of the normality test showed that the two samples were normally distributed, namely Lhit <Ltab which was 0.814 <0.886. The omogenicity test results show that the smapel has a homogeneous variant, the Fhit was 1.58 <Ftab was 1.701. The results of the t test show Thit 3.96> Ttab 2.05 so that it can be stated H1 is accepted H0 is rejected. While the results of research at SMAN 2 Padang Panjang showed the average value of the difference in learning outcomes of experimental class 12 students with SD 3.03 while the average difference in learning outcomes of control class students was 10.7 with SD 2.54. Analysis of the normality test showed that the two samples were normally distributed, namely Lhit <Ltab which was 0.821 <0.886. The omogenicity test results showed that the sample had a homogeneous variant, namely Fhit 1.58 <Ftab 1.69. The results of the t test show Thit 2.197> Ttab 2.03 so that it can be declared H1 accepted H0 rejected The results of the study show that there is an influence of the use of interactive teaching materials on the results of history learning of high school students in Padang Panjang. This interactive teaching material is effective to use because the average N-gain value at SMAN 1 Padang Panjang is 0.42 with moderate criteria, as well as in SMAN 2 Padang Panjang, the average N-gain value is 0.33 with the medium category.

Keefektifan Media Scrapbook Melalui Model Student Teams Achievement Division Terhadap Motivasi Dan Hasil Belajar IPS

This study aims to determine the effectiveness of the Scrapbook Media through the Model of Student Teams Achievement Division on the Motivation and Learning Outcomes of Students in Class III of SDN Mranggen 2. The design of this study uses True Experimental Designs Pretest-Posttest Control Group Design. To analyze student learning motivation using test analysis data of observation motivation learning . The population in this study were all students of class IIIA and IIIB SD Negeri Mranggen 2. t can be concluded that there is effectiveness of scrapbook media through the Student Teams Achievement Division model on motivation and experimental class learning outcomes better than the control class. From the results of statistical analysis with t-test obtained obtained tcount = 2.869 and ttable = 2.086 with a significance level of 5% and N = 20, so that tcount > ttable (2,896 > 2,086) Ha1 is accepted. And the results of observations of learning motivation with t-test statistical analysis were obtained tcount = 3,787 and ttable = 2,086 with a significance level of 5% and N = 20, so that tcount > ttable (3,787 > 2,086) Ha2 is accepted. It can be concluded that scrapbook media through the Student Teams Achievement Division model is effective on student motivation and learning outcomes.

PENGARUH PENGGUNAAN MODEL PEMBELAJARAN DEMONSTRASI TERHADAP HASIL BELAJAR TEKNIK PERAKITAN ELEKTRONIKA (TPE) KELAS X TEKNIK AUDIO VIDEO DI SMK NEGERI 5 PADANG

The problem in this study is the low learning outcomes achieved by students on the subjects of Electronics Assembly Techniques which is below the minimum completeness criteria (KKM) set a school that is 75. This is presumably because they are learning is often used during the learning direct model is applied directly proven yet effective.The purpose of this research is to reveal how much influence the Demonstrasion learning model to study the results of class X TAV students on subjects Electronics Assembly Techniques (TPE).This research is an experimental study. The sample were students of class X TAV at SMKN5 Padang Academic Year 2014 / 2015.Class experiment is treated using Demonstrasion Learning Model and the control group is a class that uses the direct teaching model.The data is taken from the test results in the form of student practicum. Data were analyzed manually to test for normality, homogenity testing, and hypothesis testing. The research test result obtained value of average student which using model demonstrasion is 80,06 while student who use learning direct model lower is 71,60 with the percentage effect is 11,81%. The result of the calculation hypothesis at significance level α = 0.05 was found that t count> t table is 2,36>2,048. The results of these tests give an interpretation that H0 is rejected and H1 is accepted, this means that on average significantly experimental class learning outcomes greater than the average control class learning outcomes. Key Words: Demonstrasion Learning Model, Learning Direct, Control and Exsperiment

PENGARUH PENERAPAN MODEL PEMBELAJARAN ACTIVE LEARNING TIPE“DYNAMIC TRUE OR FALSE“ TERHADAP HASIL BELAJAR SISWA KELAS X DALAM MATA PELAJARAN MENERAPKAN DASAR-DASAR ELEKTRONIKA PROGRAM KEAHLIAN TEKNIK AUDIO VIDEO DI SMKN 1 BUKITTINGGI

This research is motivated by the problem of low learning outcomes in subjects apply the basics of electronics class X Audio Video Engineering Department (TAV) Vocational School (SMK) Bukittinggi School 1, an experimental study using two class is a class that acts as a control and experiment. This study aimed to see whether there is influence learning outcomes after implementing the learning model of Active Learning type Dynamic true or False. The problem in this study is the fact that the field is found in SMKN 1 Bukittinggi, there are many students of class X Audio Video Engineering who scored below the standart of learning outcome minimum completeness criteria in subjects applying the basic fundamentals of electronics set a school that is 75.The population of this research is class X TAV SMKN 1 Bukittinggi TA 2013/2014. The data collected from the test results of a study about the essay as many as 20 items. Data were analyzed using Microsoft Excel to test normality, test homogenity, and test hypothesis. Normality test all values obtained χ2count is smaller than the value χ2 table. Homogenitas test obtained χ2 count< χ2table , atau -1,03 < 14,067. Hypothesis test tcount> ttable yaitu (5,613 >1.697). From the test results of research obtained an average value of student which uses the learning model of Active Learning Type Dynamic true or False is 79,53 while the control group of student who use learning directly lower the 60,78. The results of the hypothesis by using Microsoft Excel in t count found that -1,03 < t table 14,067, so the alternative hypothesis (H1) is accepted or rejected the null hypothesis (H0). This means that on average significantly experimental class learning outcomes greater than the average of the control class learning outcomes. So it can be concluded that the application of Dynamic True or False effect on learning outcomes.Keywords : Active Learning, Dynamic True or False

PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE JIGSAW TERHADAP HASIL BELAJAR SISWA PADA MATA PELAJARAN DASAR KELISTRIKAN DAN ELEKTRONIKA KELAS X TAV DI SMKN 1 PADANG

The problem in this study is the low learning outcomes achieved by students on the subjects of Basic Electrical and Electronics which is below the minimum completeness criteria (KKM) set a school that is 75 This is presumably because they are learning is often used during the learning model is applied directly proven yet effective. The purpose of this research is to reveal how much influence the Jigsaw cooperative learning model to study the results of class X students on subjects TAV Basic Electricity and Electronics. This research is an experimental study with a draft Post-test only control group design. The sample were students of class X TAV at SMK 1 Padang Academic Year 2014 / 2015. Class experiment is treated using Jigsaw Cooperative Learning Model and the control group is a class that uses the direct teaching model. The data is taken from the test results in the form of learning about the objective as many as 31 items. Data were analyzed manually to test for normality, homogeneity testing, and hypothesis testing. The result of the calculation hypothesis at significance level α = 0.05 was found that t count> t table is 3.35> 1.670. The results of these tests give an interpretation that H0 is rejected and H1 is accepted, this means that on average significantly experimental class learning outcomes greater than the average control class learning outcomes. Key words : Models of Learning, Jigsaw, Learning Direct, Post-test only control group design, Learning outcomes, Experimental, and Control.

PENGARUH PENERAPAN MODEL PEMBELAJARAN ACTIVE LEARNING TIPE “GIVING QUESTION AND GETTING ANSWERS“ TERHADAP HASIL BELAJAR DASAR-DASAR KELISTRIKAN SISWA DI KELAS X TEKNIK AUDIO VIDEO SMK NEGERI 1 BUKITTINGGI

The problem in this research is the fact that found in SMK N 1 Bukittinggi, there are many students of class X Audio Video Engineering is result study of learning outcomes below the minimum standard (KKM) in the subject Fundamentals of electricity at school set is set 75. Total students that are under KKM 60.35% and students those are above KKM 39.65%. Many factors that affect it, those are internal factors and external factors, as well as the learning model. This study aims to prove the existence of differences in learning outcomes using learning Active Learning Model Type "Giving Question and Getting Answers " with direct instructional model (MPL). This study uses a Quasi Experimental Design, this study population is a class X student of SMK N 1 Bukittinggi TAV academic year 2013/2014. Sample technique done by randomly. Experiment class is a class that is treated by using the Active Learning Model Application Effects of Learning Type "Giving Question and Getting Answers " and that becames the control group is a class that uses MPL. Data of achievement test in the form of 20 questions about the essay. Data obtained from the analysis of the data manually to test for normality, homogeneity, hypothesis testing, research test results obtained from the average value of students learning model that uses Active Learning Type "Giving Questions and Getting Answers" is 79.53 while students are using the MPL amounting to 60.78. The result of the hypothesis by using the formula manually found that tcount 9.886> 2.35 ttable altenative hypothesis (H0) is rejected and (H1) is accepted. That means, significantly the average experimental class learning outcomes greater than the average of the control class learning outcomes. Keywords: Learning Active Learning model type "Question Giving and Getting Answers", MPL, Control and Experiment

PEMBELAJARAN KIMIA BERBASIS PROYEK BERMUATAN KEARIFAN LOKAL TERINTEGRASI PENDIDIKAN KARAKTER

Redox contains concepts that are quite difficult to understand the students, because it involves chemical reactions, concepts that are abstract and tiered. The findings in the field also shows contextual learning and yet still shows its application in technology or phenomena in their daily lives. This happened at Muhammadiyah kedawung high school students, 75% of students declared incomplete on redox material. Character building has not been fully applied in learning. Experimental design used was pretest - posttest control group design. Tests performed twice, ie before and after treatment both in the experimental class and control class. Data collection techniques using the methods of documentation, observation, tests, interviews and questionnaires. Based on the results of t-test showed that there are differences in learning outcomes in redox material before and after treatment both in the experimental class and the control class. Experimental class learning outcomes increased by 81.39% and 45.45% control class. This learning model also affect the growth of honest character, responsibility and caring environment students although the increase is considered low. The students' response to learning analyzed qualitatively gained an average of 79.33 with very good category.

Pengaruh Media Pembelajaran Natural Picture Terhadap Hasil Belajar Siswa Pada Mata Pelajaran IPA

<p class="5abstrak">Science is a science that learns about life in the world from all aspects. To be able to study these subjects requires a deeper understanding of the material. Application of learning innovations needs to be done to achieve the objectives of science subjects especially by teachers so as to provide hands-on experience for students to acquire innovative learning. Based on the observations at SMP Negeri 1 Bancar known that the results obtained by students less satisfactory. The process of teaching and learning is done by lecture method, when the learning process takes place many students are sleepy and chatting. To improve the learning outcomes in science subjects especially biology required the existence of learning innovation, namely by using Natural Picture learning media. The purpose of this study is to determine whether there is an influence of Natural Picture learning media on student learning outcomes in science biology subjects in SMP Negeri 1 bancar. The type of research used is Quasi Eksperimen. This research was conducted at SMP Negeri 1 Bancar with research sample that is student of class VII A which amounted to 32 students as experiment class and student of class VII E which amounted to 32 students as control class. The research design used was Pre-Test research design - Post-Test Control Group Design. Based on the results of data analysis of learning results, the average value in the experimental class given treatment using Natural Picture learning media is higher than the control class using the lecture method. The experiment class is 87.12 and the control class is 74.37. In the hypothesis test the Sig value. (2-tailed) of 0.000, when compared with α 0.05 then Sig <α then H0 is rejected and H1 accepted. Thus, it can be concluded that there is a difference in mean values of experimental class learning outcomes and control classes. That is, there is the effect of learning media Natural Picture on student learning outcomes.</p><p class="6keyword"> </p>

Development of chemical practice guides class xi project based to improve student’s chemical learning outcomes on acid base materials

Abstract: This study aims to obtain a standard project-based laboratory chemistry guide for class XI students of Second semester on acid base material. The sample consists of 3 tutorial guide publisher A, B, and C, 2 teacher of senior high school (SMA) 4 Medan, 2 Unimed chemistry lecturer and 2 class XI SMA 4 Medan. Research is descriptive and experimental development with ADDIE models. The results show that the guides have been developed and the standards are in accordance National Education Standards Agency (BSNP). Result validation practice guides developed get the average score of 3.48 times higher than the standard practicum guide A = 3.18, B = 3.32; and C= 30.75. Experimental practice test improves the average learning outcomes of experimental class 1 (using development guide) 70.8% and experiment 2 (using textbook) 54.1%. Psychomotoric and affective grade experiment class 1 higher than the experimental class 2. The resultant learning improvement data was analyzed by right t test. Test of t-test for learning result obtained t count and t table, 6.68 and 1.678, respectively, at level 0.05. This indicates that the project-based practice guide has been well developed and feasible for chemical learning in senior high school. Keywords: acid base material; development; laboratory guide; project based learning

Pengaruh Media Pembelajaran Berbasis Video Terhadap Hasil Belajar Siswa

The objectives of this research are to know: 1) Average learning outcomes of control class students; 2) Average learning outcomes of experimental class students; 3) The average difference between the students' control and experimental class learning outcomes. Experimental research method, with nonequivalent control group design. Sampling using purposive sampling amounted to 50 students. Techniques and data collection tools using measurement techniques in the form of test results learning. Data analysis using descriptive and inferential analysis. The results showed: 1) Average learning outcomes of control class students 72.93 good category. 2) Average learning outcomes of students of the experimental class of 79.87 categories is very good. 3) The difference of the average of control class learning outcomes with the experimental class using the t-test statistical test is Separated Variance obtained tcount = 5.932 and ttable = 2.064 with a significant level of 0.05. Then it can be concluded that there is difference of mean of result of learning of student of control class with experiment class.

PENGARUH MODEL PEMBELAJARAN KOOPERATIF GROUP INVESTIGATION TERHADAP HASIL BELAJAR SISWA PADA MATERI USAHA DAN ENERGI DI KELAS X SMA NEGERI 12 MEDAN

Penelitian ini bertujuan untuk mengetahui hasil belajar siswa dan aktivitas belajar siswa denganmenggunakan model pembelajaran kooperatif tipe group investigation dan pembelajaran konvensional. Jenispenelitian adalah quasi eksperimen, dan pengambilan sampel dilakukan secara simple random sampling.Instrumen yang digunakan dalam penelitian ini yaitu tes hasil belajar kognitif. Dari analisa data untuk hasilbelajar kelas eksperimen diperoleh rata-rata pretest 46,667 dan postes 73,714. Kelas kontrol diperoleh rataratapretest 40,381 dan postes 60,761. Hasil analisis data menggunakan uji t satu pihak, dimana uji tdiperoleh thitung = 4,056 sedangkan ttabel = 1,668 karena thitung > ttabel maka ada perbedaan yang signifikan. Halini menunjukkan ada pengaruh penggunaan model pembelajaran kooperatif tipe group investigation terhadaphasil belajar siswa pada materi usaha dan energi di kelas X Semester II SMA Negeri 12 Medan T.P2016/2017.