scholarly journals The Effect of STEM-PjBL and Discovery Learning on Improving Students' Problem-Solving Skills of Impulse and Momentum Topic

2020 ◽  
Vol 9 (4) ◽  
pp. 465-476
Author(s):  
E. Purwaningsih ◽  
S. P. Sari ◽  
A. M. Sari ◽  
A. Suryadi

This study aims to investigate the effect of Science, Technology, Engineering, and Mathematics-Project Based Learning (STEM-PjBL) and discovery learning on students' problem-solving abilities. The research is a Quasi-Experiment with a Nonequivalent Pretest-Posttest Control Group Design. The participants involved are 53 students of class X from a high school in Malang, where 28 students studied with STEM-PjBL, and 25 students studied with discovery learning. This research was conducted on the subject of impulse and momentum. In this analysis, researchers have developed problem-solving tools with a particular field approach to impulse and momentum topics in order to obtain an instrument with a reliability of  0.81. This instrument collects student problem-solving data before and after learning both in the experimental class and in the comparison class. Problem-solving skills data were analyzed using descriptive statistics and inferential statistics. The results showed a significant difference in the scores of students' problem-solving abilities in the experimental class and the comparison class (p<0.05). The problem-solving ability in the experimental class (Md=78.74) was higher than the comparison class (Md=70.00). In STEM-PjBL learning, students are better trained and challenged to solve problems in everyday life. Compared to the comparison class, learning in the experimental class is more able to accommodate students' ideas and make students more interested in learning. In conclusion, STEM-PjBL has a significant positive effect on improving students' problem-solving abilities rather than discovery learning.

2017 ◽  
Vol 2 (2) ◽  
pp. 159
Author(s):  
Ali Sadikin Wear ◽  
Renny Indrawati

<pre><em><span lang="EN-US">The research is aimed to know; 1) interaction of inquiry learning  method application and discussion on communication ability and student’s mathematics  problem solving skills on multivariate. 2) the impacts of learning method on mathematics communication ability on univariat.3) the impacts of learning method on mathematics problem solving skills on univariat. This research is false experiment used non equivalent control group design with 2 factors  measurement technique. The instrument is essay test (problem solving and communication question). This research was conducted at public SMP in Palmerah distric, west Jakarta. The sample is the students of class VIII about 140 students. Data analyze used MANOVA analysis. The result of this research is: 1) there are significant impacts of learning method on communication ability and mathematics problem solving skills on multivariate. 2) there are significant impacts of learning method on mathematics communication ability on univariat 3) there isn’t significant impact of learning method on mathematics problem solving skill.</span></em></pre>


2020 ◽  
Vol 10 (1) ◽  
pp. 71
Author(s):  
Binar Kurnia Prahani ◽  
Ali Hasbi Ramadani ◽  
Diah Hari Kusumawati ◽  
Nadi Suprapto ◽  
Madlazim Madlazim ◽  
...  

In this industrial revolution 4.0 era, professional science, technology, engineering, and mathematics (STEM) bachelor must have various skills. One of which is problem-solving skills. The development of problem-solving skills (PSS) is very important in higher education. Students must have PSS that must be improved to become excellent graduates, including physics bachelor candidates. Many physics bachelor candidates lack problem-solving skills. This problem is the basis for developing innovative learning models based online that, by design, can improve the problem-solving skills of physics bachelor candidates in the COVID-19 pandemic. This research aims to analyze the effectiveness ORNE learning model in improving the problem-solving skills of physics bachelor candidates as an alternative to online learning in the COVID-19 pandemic. The research design used a true-experiment with a non-equivalent control group design with 58 physics bachelor candidates. Data collected using the problem-solving skills test and then analyzed using the Paired Sample Test, Effect Size, N-gain, and Independent Sample Test. The results showed that the ORNE learning model proved effective in improving physics bachelor candidates' problem-solving skills. This research implies that the ORNE learning model can improve physics bachelor candidates' problem-solving skills as an alternative to online learning in the COVID-19 pandemic.


EDUSAINS ◽  
2019 ◽  
Vol 11 (2) ◽  
pp. 242-248
Author(s):  
Wartono Wartono ◽  
John Rafafy Batlolona ◽  
Rizqi Maulidina Mahfi

ENHANCEMENT OF PHYSICS PROBLEM-SOLVING SKILLS WITH INQUIRY-DISCOVERY LEARNING MODEL AbstractThe purpose of this study was to determine differences in problem solving abilities of students who were given inquiry-discovery learning through web-assisted empirical-theoretical reviews with students who were given conventional learning. This study uses a quasi-experimental pretest-posttest control group design. The average gain score of the problem solving ability test shows that students who are taught with inquiry-discovery learning through web-assisted empirical-theoretical reviews are higher than students who are taught with conventional learning. Hypothesis test results show that students who are learning with inquiry-discovery learning through web-assisted empirical-theoretical reviews have higher problem solving abilities than students who are taught with conventional learning, this also applies to students with high or low initial abilities. AbstrakTujuan dari penelitian ini adalah untuk mengetahui perbedaan kemampuan pemecahan masalah siswa yang diberi pembelajaran inquiry-discovery melalui tinjuan empiris-teoritis berbantuan web dengan siswa yang diberi pembelajaran konvensional. Penelitian ini menggunakan rancangan quasi exsperiment pretest-posttest control group design. Hasil rata-rata gain score tes kemampuan pemecahan masalah menunjukkan siswa yang dibelajarkan dengan pembelajaran inquiry-discovery melalui tinjuan empiris-teoritis berbantuan web lebih tinggi daripada siswa yang dibelajarkan dengan pembelajaran konvensional. Hasil uji hipotesis menunjukkan bahwa siswa yang dibelajarakan dengan pembelajaran inquiry-discovery melalui tinjuan empiris-teoritis berbantuan web memiliki peningkatan kemampuan pemecahan masalah lebih tinggi daripada siswa yang dibelajarakan dengan pembelajaran konvensional, hal ini juga berlaku pada siswa yang berkemampuan awal tinggi maupun rendah. 


2020 ◽  
Vol 4 (2) ◽  
pp. 182
Author(s):  
Mhmd Habibi ◽  
Dwi Lasia ◽  
Mesi Oktafia ◽  
Muhammad Ilham

The objective of this research is to know the differences in mathematical problem solving skills between using mathematical habits of mind strategy with conventional learning. Methods that is used is quasi-experimental, with non-equivalent control group design.  The subject of this study was a 7th grade junior high school student with 56 number of people which were 12th-13th years old. with sampling techniques i.e. purposive sampling. Instruments that is used in this research is description test which was arranged based on mathematical problem solving skills material. Data analysis technique is with N-Gain T-test. The result show that the significant N-Gain score obtained is 0.008. The N-Gain score is smaller tha (α = 0.05), which means that there is a significant difference in the increase in mathematical problem solving abilities toward participant student who use mathematical habits of mind strategies with those using conventional learning. statistically proven habits of mind strategy that influences problem solving can be one of the practitioners' choices in teaching mathematics in basic education.


EDUSAINS ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 147-155
Author(s):  
Dewi Nurhamidah ◽  
Mohammad Masykuri ◽  
Sri Dwiastuti

MODUL BIOLOGI BERDASARKAN PEMBELAJARAN BERBASIS MASALAH KOOPERATIF (CPBL) UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH SISWA DI MADRASAH ALIYAH NEGERIAbstrakModel CPBL (Cooperative Problem-based Learning) memiliki beberapa keunggulan seperti siswa ditantang untuk menyelesaikan masalah yang ada, sehingga semua keterampilan kognitif, afektif, dan psikomotor siswa dapat berkembang. Penelitian ini bertujuan untuk menentukan kelayakan dan efektivitas modul biologi berdasarkan model CPBL untuk meningkatkan keterampilan pemecahan masalah siswa. Jenis penelitian ini adalah Penelitian dan Pengembangan (R&D). Model pengembangan penelitian ini menggunakan Borg dan Gall. Desain penelitian menggunakan metode desain eksperimen sejati dengan desain kelompok kontrol pretest posttest. Dua kelas dipilih oleh sampel acak sederhana. Penelitian ini melibatkan 171 siswa, 85 siswa di kelas kontrol dan 86 siswa di kelas eksperimen. Analisis data deskriptif digunakan untuk menganalisis kelayakan modul dan uji-t digunakan untuk menganalisis keterampilan pemecahan masalah. Hasil penelitian menunjukkan bahwa kelayakan pengembangan modul memiliki hasil yang baik berdasarkan penilaian para ahli dan praktisi. Berdasarkan hasil uji-t, terdapat perbedaan yang signifikan antara kelas kontrol dan kelas eksperimen (0,001), n-gain skor kontrol dan kelas eksperimen masing-masing 0,30 (rendah) dan 0,54 (rata-rata). Berdasarkan penelitian, modul ini lebih efektif daripada buku teks dan dapat meningkatkan keterampilan pemecahan masalah siswa.AbstractCPBL (Cooperative Problem-based Learning) model has several advantages such as students are challenged to solve existing problems, so that all students' cognitive, affective, and psychomotor skills can develop. This research aimed to determine feasibility and effectivity of biology module based on CPBL model to enhance students’ problem solving skills.  This type of research is Research and Development (R & D). The development model of this research uses Borg and Gall. The research design uses true experimental design method with pretest posttest control group design. Two classes were selected by simple random sample. The study involved 171 students, 85 students are in control class and 86 students are in experimental class. Descriptive data analysis was used to analyze the module feasibility and t-test was used to analyze the problem solving skills. The results showed that the feasibility of the module development have a good results based on assessment of the experts and practitioners. Based on the t-test results, there are significant difference between control class and experiment class (0.001), n-gain score of control and experiment class respectively 0.30 (low) and 0.54 (average). Based on the research, this module is more effective than the textbook and can improve students’ problem solving skills. 


2018 ◽  
Vol 4 (2) ◽  
pp. 195-201
Author(s):  
Anna Jumatul Laely ◽  
Awal Prasetyo ◽  
Chandra Bagus Ropyanto

Background: Physical responses that occur in patients with nasopharyngeal cancer are the emergence of pain due to the effects of treatment. The problem of pain in these patients at the stage of treatment remains critical to solve because it can cause comorbidity, psychological trauma and mortality. Mindfulness intervention is considered useful in transforming consciousness into the stage of acceptance.Objective: This study aims to determine the effect of mindfulness intervention on the intensity of pain in nasopharyngeal cancer patients undergoing radiation treatment.Methods: This was a quasy-experimental study with pretest posttest control group design. Thirty patients were selected using consecutive sampling, which divided into experiment and control group. Visual Analogue Scale (VAS) was used to measure pain. Each respondent received mindfulness intervention for 6 sessions, divided into 3 meetings. Paired t-test was used for data analysis.Results: The results showed a significant reduction of pain from 4.12 (moderate pain) to 3.06 (mild pain) in the experiment group. There was a significant difference in pain level before and after mindfulness intervention (p= 0.001).Conclusion: Mindfulness is effective in reducing pain intensity level in nasopharyngeal cancer patients undergoing radiation therapy.


2017 ◽  
Vol 9 (1) ◽  
pp. 32
Author(s):  
Diyas Age Larasati

Penelitian ini bertujuan menguji pengaruh model PBL terhadap kemampuan pemecahan masalah geografi SMA. Penelitian dilakukan di SMA Negeri 1 Sooko tahun ajaran 2015/2016. Subjek penelitian merupakan siswa kelas XI IPS 2 dan 3. Penelitian ini merupakan penelitian eksperimen semu (quasi experiment) dengan desain Non Equivalent Control Group Design. Berdasarkan selisih nilai pre test dan post test, rata-rata gain score kemampuan pemecahan masalah geografi SMA kelas eksperimen lebih tinggi dengan skor 27,26 dibandingkan dengan kelas kontrol dengan skor 11,88. Hasil perhitungan analisis uji t menggunakan independen sample t test diperoleh data p-level lebih kecil dari 0,05 (p<0,05) yaitu 0,00. Hasil perhitungan ini membuktikan bahwa model PBL berpengaruh terhadap kemampuan pemecahan masalah geografi SMA. Jadi, dapat disimpulkan bahwa model PBL berpengaruh terhadap kemampuan pemecahan masalah geografi SMAN 1 Sooko.Kata Kunci: Model Problem Based Learning, Kemampuan Pemecahan MasalahThe purpose of this study was to clarify the effect of the PBL model of problem-solving ability. This study do in SMA Negeri 1 Sooko 2015/2016. Study of the subject is the student of class XI IPS 2 dan 3. Form of quasi-experimental research design with non equivalent design control group. Subjects were selected based on the value of Middle Exam School (UTS) semester who have the same average (homogeneous). Control using a model class lectures and discussions, while the experimental class using PBL models. Gain score Data were analyzed using independent sample T-test Test with the help of the computer program SPSS 16.0 for Windows. Gainscore learning using PBL model of higher than conventional. The average value of the experiment gainscore class of 27, 26 and 11.88 of control. The results of the analysis of the Independent Sample T-Test Test, the difference shows a p-value of 0.000 level. The level of p-value less than 0.05 (P <0.05). The results of this study there was a significant effect PBL models to the problem-solving abilities. So the conclusion "PBL model significantly influential to the high school geography problem solving skills in SMAN 1 Sooko".Key Words: models of PBL, problem-solving abilities


2021 ◽  
Vol 12 (2) ◽  
pp. 283-294
Author(s):  
A. Nurannisa F.A ◽  
Andi Muhammad Irfan Taufan Asfar ◽  
Andi Muhamad Iqbal Akbar Asfar ◽  
Adji Syaifullah

Mathematical logical intelligence is one of the skills that are needed in the 21st century related to mathematical problem-solving skills. The importance of this skill is not in line with the facts on the ground, where students are still weak in counting and using logic in problem solving. The purpose of this research is to improve students’ mathematical logical intelligence through the online-based integration of local wisdom of Sulapa Eppa Walasuji. Sulapa Eppa Walasuji is one of the Bugis-Makassar local wisdoms with a unique pattern, appropriate to be used as a medium for learning transformation of geometry. Through the integration of local wisdom, Sulapa Eppa Walasuji can create contextual mathematics learning, so that students can easily understand the material by connecting real-life concepts. This research includes experimental research with a quasi-experimental design of the nonequivalent control group design type. The research instrument used was a mathematical logical intelligence test consisting of five essay questions. The data analysis used is descriptive statistics with gain score and effect size testing. The results showed that the mathematical logical intelligence of experimental class students increased by 43.16 with the effective contribution of the r effect size being 0.910. This indicates that the online-based integration of Sulapa Eppa Walasuji can improve students’ mathematical logical intelligence. 


2014 ◽  
Vol 13 (1) ◽  
pp. 28
Author(s):  
Muhammad Ilyas ◽  
Clarissa Phielip

The main objective of caries prevention programs in the community is to reduce the number of colonies of cariogenicbacteria, especially Streptococcus. A method of caries preventionthat is currently developed is a method using probioticsthrough yogurt. This research is a laboratory based experiment using the cross over with control group design. Fifteensamples were collected randomly from a population of preclinical dentistry students of Hasanuddin University fromentry year 2008 until 2010. The results showed a significant difference between before and after drinking yogurt wherethe number of colonies of cariogenic bacteria in saliva reduced (p<0.05)and there is also a significant differencebetween the temperature of the yogurt in reducing the average number of cariogenic bacteria in the saliva after six andnine days yogurt consumption (p<0.05). In addition, there is a significant difference pH of saliva between before andafter drinking yoghurt (p <0.05). It is concluded that drinking yogurt reducts colony of cariogenic bacteria in youngadult saliva


Author(s):  
Dyah Dyah Dewi ◽  
Wiwik Wiwik Kusumawati ◽  
Ismarwati Ismarwati Ismarwati

Background: Maternal Mortality Rate (MMR) as an indicator of maternal health during pregnancy, childbirth, and childbirth. Anemia contributes 20% to the incidence of maternal deaths caused by bleeding during labor. The government prevents anemia by giving iron tablets at least 90 tablets for pregnant women. However, the prevalence of anemia remains high, because of the low adherence in consuming Fe tablets every day. Self-efficacy adherence is a predictor of health behavior and adherence to treatment.Objective: To improve adherence with self-efficacy in consuming Fe tablets in pregnant women with health promotion and WhatsApp reminder in Yogyakarta City Health Center.Method: This study used a quasi-experiment method with a pre-test post-test non-equivalent control group design. The sample amounted to 59, the sampling technique used was consecutive sampling which was taken by random sampling technique in which samples were taken alternately to determine the intervention group and the control group.Results: There were significant differences in the self efficacy score between the intervention groups (Mean = 6.30, SD = 8.11) and the control group (Mean = 0.89, SD = 7.83) with t-test = 2.60 and ρ = 0.012.Conclusion: There is a significant difference in self-efficacy adherence with consuming Fe tablets in pregnant women before and after being given health promotion and WhatsApp reminder intervention and control groups. Health service agencies can consider the combined service between health promotion and WhatsApp reminder to improve self-efficacy in adhering to consuming Fe tablets in increasing Hb levels in anemic pregnant women.


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