scholarly journals The Effect of Problem Based Learning on Cognitive Outcome in Science Subject in Junior High School : Topic Water Pollution

Author(s):  
Endah Setia Rini

The research aimed to determine the effect off Problem Based Learning in science learning on cognitive outcomes of 7th grade at junior high school on the topic of water pollution. This research is an experimental research. The research sample was selected by random sampling technique. The research data was collected through pre-test and post-test using cognitive learning outcome instruments. Analysis data using t-test. The results showed the Problem Based Leearning significantly improved on cognitive outcome this can be seen from the increase in the post-test in the experimental group compared to the control group (74.43>68.23). Based on the resultd of these studies indicate that the use of Problem Based Learning affectes the learning of science on the cognitive outcomes of 7th grade at junior high school on the topic of water pollution.

2021 ◽  
Vol 15 (2) ◽  
pp. 209-218
Author(s):  
Deswandito Dwi Saptanto ◽  
Tri Arie Bowo ◽  
Ratih Laily Nurjanah

This study focuses on improving students’ abilities in learning English with the support of Pictorial Metaplan as a teaching aid. The use of this Metaplan aims to improve speaking skills in formal and non-formal contexts. This pictorial Metaplan is a realia in the form of an illustrated carpet with a theme Getting Direction. Pictorial Metaplan focuses on the topic Getting Direction and applied directly to 15 students in the 8th grade of junior high school. The implementation of the use of the Pictorial Metaplan begins with distributing questionnaires and implementing Pre- Test and Post-Test, then direct implementation of using Pictorial Metaplan combined with Total Physical Response (TPR) method. The treatment for students was carried out by dividing two class groups, the control group, and the experimental group. The control group used conventional methods, without using learning aids, while the second group used the Pictorial Metaplan as a teaching aid. Based on the results of Pre-Test and Post-Test show an increase in the results of the values before and after implementing the Pictorial Metaplan. Thus it can be concluded that learning in the experimental group using Pictorial Metaplan is more effective than learning using conventional methods.


2020 ◽  
Vol 4 (1) ◽  
pp. 31-39
Author(s):  
Defliyanto Defliyanto ◽  
Moch Asmawi ◽  
Ramdan Pelana ◽  
Yarmani Yarmani

The aims of this development research were to produce a learning model for basic technique of squat-style long-jump based on biomechanics with the game for junior high school students and to know the effectiveness, efficiency and attractiveness against learning model. This research used Deff model adopted from Research & Development by Borg and Gall. The subject used was junior high school students which consists of 45 students. The instruments used were need analysis, expert’s evaluation, small and large group test. Effectiveness test was to know junior high school students’ jump skill level before being given biomechanic treatment. The Pre-test obtained from the students’ jump result was about 540, and Post-test was about 812. The conducted t-test between the experiment group and the control group obtained was t = 10.152 and in the n-gain score test between the experiment group (biomechanic treatment) obtained by 76% (effective) and the control group obtained by 43.40% (less effective). Therefore, this game model is effective in increasing students’ jump learning. According to the result, it could be inferred that: (1) this model can be developed and applied in physical education, (2) the model proved that there are significant difference in pre-test and post-test between the experiment group (biomechanic treatment) and the control group after the treatment model, based on N-gain test.


2021 ◽  
Vol 5 (2) ◽  
pp. 118-127
Author(s):  
Trysa Gustya Manda ◽  
Marsigit Marsigit

The purposes of this research are to describe and compare the effectiveness of the imple mentation of scientific approach using problem based learning and learning cycle 5E model viewed from achievement spiritual attitudes, social attitudes, knowledge, and skills of students on polyhedral topic in Junior High School Grade VIII. This research is quasi experiment using nonequivalent (pre-test and post-test) group design. Population in this research are all of students grade VIII Junior High School 12 Padang. The sample was grade VIII4 and VIII5. The instruments used are questionnaires spiritual attitude and social attitude, knowledge and skill test. The results of the research are as follows the implementation of scientific approach with problem based learning and learning cycle 5E model is effective viewed from the achievement spiritual attitudes, social attitudes and knowledge of students, but not effective viewed from students skill, and there are no differences between the effectiveness of the implementation of scientific approach using problem based learning and learning cycle 5E model.


Humaniora ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 19
Author(s):  
Michael Setiawan

This research aimed to see if learning by teaching (LBT) could really be implemented in classrooms. This case study intended to discover if LBT was applicable to teach tenses. This quantitative research involved 50 students from the two of 8th grade classes in one junior high school in Jakarta, one of which acted as the control group and the other one as the experimental group. This research focused on the learning of five tenses, namely the simple present tense, the simple past tense, the simple future tense, the simple present continuous tense, and the simple present perfect tense. A pre-test was employed before the research started and after the treatment had been given to the experimental group, a post-test was given a week after, and another post-test was given three months later. The results show that LBT helps the subjects learn better. Moreover, they also remember their materials longer. Therefore, LBT can be a good student-centered activity which has been proven successful.


2018 ◽  
Author(s):  
Arab World English Journal ◽  
Asmi Rusmanayanti ◽  
M. Laili Hanafi

This study was conducted to know whether there is a differencein students’ achievement in reading comprehension through the use of computer-based reading method at the eighth-grade students of Junior High School 13 Banjarmasin, Indonesia. The design used is a quasi-experimental with purposive sampling technique. Sixty students of Junior High School 13 Banjarmasin were used as the samples. 8-E was chosen as the experimental group and was taught by using computer-based reading in three meetings, while 8-F was chosen as the control group and was taught without using computer-based reading in three meetings. Three instruments were used to gather the data, they are documentation, observation, and tests. The results showed that both groups gained change in their achievements. From the calculation result, the experimental group got the average score of 53.33 in pre-test and 63.33 in post-test. The control group got average score 47 in pre-test and 49.5 in post-test. After conducting a t-test, it was revealed that the calculated t-value was greater than t-table (3.597 > 2.00) at the significance level 0.05. Thus, there are different achievement between the experimental group and the control group. Therefore, it can be concluded that the proper use of computer-based reading can upgrade students’ reading comprehension ability. It is suggested to teachers to consider the use computer-based reading as the method of teaching reading comprehension.


Proyeksi ◽  
1970 ◽  
Vol 6 (2) ◽  
pp. 89
Author(s):  
Postalina Rosida ◽  
Titin Suprihatin

PENGARUH PEMBELAJARAN AKTIF DALAM MENINGKATKAN PRESTASI BELAJAR FISIKA PADA SISWA KELAS 2 SMU Tujuan pendidikan nasional adalah meningkatkan potensi peserta didik untuk menjadi manusia yang religious, bertakwa, mulia, sehat, terampil, kreatif, bebas, bertanggung jawab dan demokratis. Hal ini membutuhkan proses belajar yang optimal untuk mendukung pencapaian tujuan yang diharapkan, serta mendapatkan prestasi yang tinggi dan memusakan bagi perserta didik. Tujuan penelitian ini adalah untuk menemukan pengaruh model pembelajaran terhadap peningkatan prestasi belajar bidang fisikan pada siswa SMU Sultan Agung 4 Semarang. Penelitian ini adalah penelitian eksprimen yang menggunakan dua kelompok subjek berbeda. Desain eksperimennya adalah Non Random Pre-test-Post-test Control group Design. Responden ekpserimen ini adalah 62 siswa SMU kelas dua yaitu 33  kelas A1 dan 29 siswa kelas A2 yang menempuh mata pelajaran fisika. Pemilihan kelas ini berdasarkan persamaan mata pelajaran dan guru yang mengajar secara parallel. Kelompok A1 adalah kelompok control yang mnggunakan model pembelajaran konvensional. Kelompok A2 adalah kelompok eksperimen dengan menggunakan model pembelajaran aktif (active learning). Eksperimen dilaksanakan selama empat minggu dengan delapan kali pertemuan atau sekitar 480 menit.Data primer pretest untuk dua kelompok menggunakan data nilai mid semester sedangkan data post-test menggunakan tes yang disusun berdasarkan materi yang diberikan selama eksperimen.  Analisis data seslisih pre-test dan post-test (gained scores) dilakukan dengan metode independent sampel test.Hasil analisis diperoleh nilai t = 3.103 dan p = 0.003 (p < 0.01). hal ini menunjukan bahwa ada perbedaan yang signifikan antara kelompok control dengan kelompok eksperimen. Pada kelompok eksperimen ditemukan peningkatan yang signifikan sedangkan pada kelompok control hasil pre-test dan post-test relatif sama. Kata kunci : Model pembelajaran aktif  THE IMPACT OF ACTIVE LEARNING IN ENHANCING THE STUDENT’S PHYSICS LEARNING ACHIEVEMENT AMONG 2ND GRADE   The objective of national education is promoting the learner’s potency in order to become human being who is religious and devoted to God Almighty, noble, healthful, faithful, skilled, creative, independent, responsible and democratic citizen. Essentially, it is necessary to create the learning process optimally for supporting the expected objective. Such optimization is supposed to reach the learning achievement optimally and satisfactorily for learners.The purpose of this research was to discover the impact of active learning model against the enhancement of the student’s physics learning achievement on 2nd grade of 4 Sultan Agung Junior High School Semarang. This research was experimental research utilizing two different subject groups in which the used design was Non-Randomized Pretest-Post-test Control Group Design. The participants in this research were in the amount of 62 students that consist of 33 A1 students and 29 A2 students of 2nd grade of 4 Sultan Agung Junior High School Semarang and all of the students were participated in the physics subject of this research. This class selection was based on the parallel teachers who teach on the class level in the similar subject. The A1 students further were modelled as control group using conventional learning model while A2 students were modelled as experimental group using active learning as their learning model in the class. This research was conducted for four weeks in eight meeting times and eight treatment times, for ± 480 minutes.The primary data of this research were pre-test data of both groups taken from scores of physics subject on mid-term test whereas post-test data were acquired from test scores according to the learning material. These data were analyzed by independent sample t-test.The result of this analysis indicated score of t = 3.103 and p = 0,003 (< 0,01), so it can be indicated that active learning model is able to enhance very significantly the physics’ learning achievement of 2nd grade of 4 Sultan Agung Junior High School Semarang. Keywords: active learning, learning achievement


Author(s):  
Firda Fadhila Aini ◽  
Khoirul Anwar ◽  
Candra Hadi Asmara

Role play is a method of acting out particular ways of behaving or pretending to be other people who deal with new situations.  Role play is very important in teaching speaking because it gives students an opportunity to practice communicating in different social contexts and in different social roles. The purpose of this study is to find out the significant effect on students fluency in speaking skills taught by using Role Play for students in Junior High School. The researcher used an experimental design in which there are two classes; one of the experiment group and the control group that each has 20 students. The data is collected through quantitative methods. The quantitative data is obtained from the result of the pre-test and post-test students speaking skills. Before implement Role Play, students had to take pre-test to identify their speaking ability. One group practice a dialogue in pair use Role Play strategy about greeting, leave taking, thanking and apologizing expressions. Other group was asked to practice a dialogue used drilling strategy. Both groups were tested for their oral production and competence. After the presentation, the post-test was used to find out whether there was a significant effect using Role Play in speaking ability. The implementation of Role Play and Drilling showed that students who are though used Role Play in teaching speaking can improve their speaking skill especially in fluency.


2017 ◽  
Vol 14 (2) ◽  
pp. 154-165
Author(s):  
Shinta Pertiwi ◽  
Samsuri Samsuri

This research based article was aimed at explaining the effect of Contextual Teaching and Learning and Problem Based Learning on the establishment of Ecological Competence in Civic Education in Junior High School. It was a quasi-experiment research with pretest-posttest control group design. The population was student grade VII of SMP Negeri 2 Surakarta. The sample was chosen randomly, consist of one classroom as experimental group and another classroom as control group. Instrument for collecting data were test, questionnaire, and observation. It can be concluded that the establishment of ecological competence among junior high school students though through contextual teaching and learning are more effective than those who were though by problem based learning and conventional one. It was indicated by the result of one way anova Fcount Ftable (24.0313.11) and P=0.0000.05).


2020 ◽  
Vol 10 (2) ◽  
pp. 82
Author(s):  
Nurul Ardhia Cahyuni ◽  
I Wayan Tirka ◽  
Kadek Suranata

This study aims to determine the effectiveness of behavioral counseling with modeling techniques to improve self achievement in class VII I Junior High School 3 Singaraja. This type of research is quasi-experimental with pre-test and post-test control group design. These samples included 68 students (male 34 and female 34, average age 12.5 years). Through random sampling, 34 students were placed in the experimental group who received treatment with behavioral counseling and modeling techniques, 34 students as a control group not received treatment. The results of the data analysis are the value of thit 2.978 > ttab 2.021 so that Ho is rejected and Ha is accepted. So there are significant differences. It can be concluded that behavioral counseling with modeling technique is effective for increasing self achievemet in class VII I Junior High School 3 Singaraja.Keywords: Behavioral Counseling, modeling, self achievement


2021 ◽  
Vol 3 (1) ◽  
pp. 23-32
Author(s):  
Halimatus Sa'diyah

The objective of this research was to know there was influence effect between extensive reading on the vocabulary mastery at the seventh-grade students of junior high school of MTs Hasyim Asy’ari Sukodono. The subject of this research is 7.1 and 7.2 students from the seventh grade. The method used in this research quasi-experimental. In collecting the data, the researcher used four steps that was analyzed. The first step was pre-test to the both experimental and control group. The second step was giving treatment in terms of extensive reading process to the experiment group. The next step was giving post-test to the both control and experimental group. Then, the fourth step was to know whether the opinion of the students about extensive reading for the vocabulary mastery using questionnaire. In analyzing the data, the researcher analyzed them by using statistical analysis in SPSS 16.0 by comparing the result of pre-test and post-test from the students. The result of data from this research was counted to know whether the experiment was successes or not. The result of this research shows that there is an effect between extensive reading on the vocabulary mastery. Based on the study presented that sig. 2 tailed (p) was 0.003 though alpha (α) was 0.05. It means p < α. It can be concluded that the HO (Null Hypothesis) was rejected and Ha (Alternative Hypothesis) was accepted. It proved that extensive reading is effective in improving students’ vocabulary mastery.


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