scholarly journals Effect of problem-based learning model on biodiversity problem-solving skills

Biosfer ◽  
2021 ◽  
Vol 14 (1) ◽  
pp. 120-131
Author(s):  
Ratna Komala ◽  
Erna Heryanti ◽  
Amelia Rinawati

Problem-solving skill is a way or strategy to achieve goals following good and correct procedures. One of the learning models that can be applied to improve problem-solving skills is a learning model of Problem-Based Learning. The purpose of this research was to determine the effect of the problem-based learning model on student’s problem-solving skills of biodiversity. This research was conducted at SMAN 89 Jakarta in August-September 2019. The method used was a quasi-experiment. The research sample was 66 students of class X MIA with a simple random sampling technique, the instrument used was pretest and posttest in the form of a description question. Instrument of problem-solving skills was tested for validity and reliability. The result of the validity test showed that there were 15 valid items out of 18 items. The reliability test showed that the r-value was 0,901 and included in very high criteria. The effectiveness test of the PBL model with normalized gain calculated score of 0,72 or included in the category of fairly effective. The research result showed that the problem-based learning model influenced students’ problem-solving skills of biodiversity.

2020 ◽  
Vol 1 (1) ◽  
pp. 38-47
Author(s):  
Dwi Oktaviana ◽  
Rahman Haryadi

This study aims to determine the differences in student's problem-solving abilities through the Problem Based Learning (PBL) model and the direct learning model, the differences in students' problem-solving abilities through the PBL model, and the direct learning model in terms of the characteristics of the way of thinking. This study used a quasi-experimental method with a two-way ANOVA design. The sample in this study was the fifth-semester students of class A and B IKIP PGRI Pontianak using the cluster random sampling technique. The used research instrument was a test of problem-solving ability in discrete mathematics courses and a questionnaire on the characteristics of the way of thinking. This study resulted in a difference between student's problem-solving abilities through the PBL model and the direct learning model. The results showed that there were no differences in students' problem-solving abilities through the PBL model and the direct learning model in terms of the characteristics of both the way of thinking, the way of thinking in Concrete Sequences (CS), Sequences Abstract (SA), Concrete Random (CR), or Abstract Random (AR).


2019 ◽  
Vol 3 (1) ◽  
pp. 1
Author(s):  
Dian Indah Lestari

AbstractThis study aims to determine the extent of problem-based learning model implementation assisted instruction multimedia with the type of strategic performance problems in improving students’ problem solving skills on acidic and alkaline materials. The approach used in this research is mixed approach (mix method) with a sequential exploratory model type (model sequence of discovery). The sampling technique is done by purposive sampling. The instrument of research is in the form of observation sheet implementation of problem-based learning model both from teachers and students and also student essay test. The correlation of problem-based learning model implementation with students’ problem solving skill is sought with product moment. The implementation of problem-based learning model by teachers and students has been done according to the principle of problem-based learning model of each meeting. The implementation of problem-based learning model by students with average percentage of 88,44% and ability to solve student problem with average percentage of 69,02%. The correlation of problem-based learning model implementation assisted instruction multimedia of acid-base solution with the problem solving skill is categorized by mediocre with average of 0.43. It can be concluded that the problem-based learning model assisted instruction multimedia acid-base learning in class XI MIA 1 SMA Islam Al-Falah Kota Jambi has been implemented well by teachers and students and also the problem solving skills of students have emerged. Keywords: Problem Based Learning, Multimedia, Strategic Permofance, Problem Solving, Acid and Alkaline 


Author(s):  
Nilatul Khoeriyah ◽  
Widayanti Widayanti

The purpose of this research is to know the effects of Auditory, Intellectually, and Repetition (AIR) learning model on student’s problem solving skills and to knows the problem solving skills enhancement students who take the learning use Auditroy, Intellectually, and Repetition (AIR). This research is a quasi-experimental reasearch (quasi experiment) with pretest-posttest control group design. The independent variable in this research is Auditory, Intellectually, and Repetition (AIR) learning model and the dependent variable is student problem solving skills. The population in this research are class XI IPA SMA N 2 Banguntapan. The sampling technique is simple random sampling as experiment class is XI IPA 2 and as control class is XI IPA 3. The research instrument used a pretest-posttest question sheet. Data analysis technique used statistical parametric of T test and normalized gain (N-Gain) test. The result showed that (1) Auditory, Intellectually, and Repetition (AIR) learning model influence on problem solving skills of students on the subject of theory kinetic gas (level of significance (sig. 2-tailed) = 0,000 < α = 0,05, therefore H0 is rejected and Ha is received), (2) Auditory, Intellectually, and Repetition (AIR) model learning can improve students’ problem solving skills on the subject of theory kinetic gas (N-Gain experimental class = 0,886 (high) > N-gain control class = 0,662 (medium).


2017 ◽  
Vol 5 (3) ◽  
pp. 418
Author(s):  
Muhammad Nur Sabar

The study aims at examining (1) the effectiveness of the implementation of Problem Based Learning (PBL) model using Open Ended approach, (2) the students’ learning result in mathematics who were taught by using PBL model with Open Ended approach, (3) the students’ activities in teaching and learning process by using PBL model with Open Ended approach, and (4) the students’ response on learning. The study is pre-experiment research with One Group Pretest-Posttest Design. The populations of the study were class VIII students at SMPN 33 Makassar of academic year 2016/2017 wich consisted of 10 classes. Samples were selected by employing Cluster Random Sampling technique and obtained class VIIIE as the research sample. Data were obtained by using learning result test instrument, observation sheet of students’ activities, observation sheet of learning implementation, and questionnaire of students’ response. The results of the study reveal that the learning result score of class VIII students in mathematics I sin high category, the mean 83.22, and deviation standar 8.549, the classical completeness is 87.50%, the mean of normalized gain is in high category, the students’ activity is in very active category, and students’ response on the implementation of PBL model with Open Ended approach is positive. The result of hypothesis test indicates that PBL model with Open Ended approach is effective to implemented in Mathematics learning to class VIII students at SMPN 33 Makassar. 


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


2017 ◽  
Vol 8 (1) ◽  
pp. 32
Author(s):  
Sri Utami ◽  
Lalu Sucipto

Abstrak - Penelitian ini bertujuan untuk mengetahui keefektifan model pembelajaran Team Assisted Individualization (TAI) terhadap kemampuan pemecahan masalah matematika siswa. Populasi dalam penelitian ini adalah siswa kelas VIII SMP Salafiyah Darul Falah Mataram yang berjumlah 153 siswa. Sampel dalam penelitian ini yaitu kelas VIII B dengan jumlah 28 siswa. Jenis penelitian yang digunakan adalah penelitian kuantitatif, dengan desain pre-eksperimen (One Group Pretest Postest Design). Teknik pengambilan sampel yaitu menggunakan teknik cluster  random sampling . Teknik analisis data menggunakan uji-t test Sampel Related. Hasil perhitungan uji-t tes Sampel Related  didapatkan  sebesar dan sebesar dengan taraf signifikan . Karena , maka menunjukkan bahwa model pembelajaran Team Assisted Individualization (TAI) efektif terhadap kemampuan pemecahan masalah matematika siswa.Abstract: This study aims to determine the effectiveness of Teachers Assisted Individualization (TAI) learning model for students' math problem solving skills. The population in this study is the students of grade VIII SMP Salafiyah Darul Falah Mataram, amounting to 153 students. The sample in this research is class VIII B with the number of 28 students. The type of research used is quantitative research, with pre-experiment design (One Group Pretest Postest Design). The sampling technique is using cluster random sampling technique. Technique of data analysis using test-t test Sampel Related. The result of t-test calculation of Sample Related test obtained t_hitung equal to 19,01 and t_table equal to 2,052 with significant level 5%. Because t_hitung≥t_tabel, then show that Team Assisted Individualization (TAI) learning model effective to student's math problem solving ability.


Author(s):  
Mursolimah Mursolimah

<p><em>The purpose of this research is to improve improve story fraction problem solving skill among 4<sup>th</sup> grade students of SDN 3 Sembukan Sidoharjo Wonogiri in the academic year 2019/ 2020 by applying Problem Based Learning model. The research conducted was a Classroom Action Research (PTK). This research implemented in two cycles, each cycle consists of planning, acting, observing, and reflecting</em><em>. </em><em>The research result show that application of Problem Based Learning model can improve student’s story fraction problem solving skill. The average </em><em>of</em><em> </em><em>story fraction problem solving skill in the pre-cycle 55.93; cycle I 74.79; and cycle II 84.38. While classical completeness in pra-cycle was 4 students (26.67%), cycle I was 12 students (80%), cycle II was 15 students (100%)</em><em>. </em><em>The conclusion is application of Problem Based Learning model can improve story fraction problem solving skill among 4<sup>th</sup> grade students of SDN 3 Sembukan Sidoharjo Wonogiri in the academic year 2019/ 2020.</em></p>


2020 ◽  
Vol 9 (1) ◽  
pp. 119-130
Author(s):  
Mulia Suryani ◽  
Lucky Heriyanti Jufri ◽  
Tika Artia Putri

AbstrakRendahnya kemampuan pemecahan masalah matematika siswa menyebabkan siswa kurang mampu menyelesaikan soal yang bersifat non rutin dan siswa masih kurang mengembangkan ide dan kemampuan yang dimilikinya. Penelitian ini bertujuan untuk mengetahui kemampuan pemecahan masalah matematika siswa melalui model Problem Based Learning berdasarkan Kemampuan Awal Matematika (KAM) siswa. Metode penelitian yang digunakan adalah kualitatif. Hasil penelitian ini menunjukkan bahwa kemampuan pemecahan masalah matematika siswa melalui model Problem Based Learning menjadi lebih baik. Sampel dalam penelitian ini adalah siswa kelas VIII-7 SMP Negeri 12 Padang yang terdiri dari 32 orang. Siswa yang awalnya berkemampuan rendah meningkat menjadi siswa berkemampuan sedang dengan peningkatan sebesar 75 %. Siswa yang awalnya tergolong berkemampuan sedang meningkat menjadi siswa berkemampuan tinggi sebesar 26 %. Siswa sudah mampu 1) memahami masalah, 2) menyusun rencana penyelesaian, 3) melaksanakan penyelesaian, dan 4) mengecek kembali jawaban. Analysis of Students' Problem Solving Abilities Based on Early Mathematical Ability AbstractThe lack of students' mathematical problem-solving skills causes students to be less able to solve problems that are non-routine and students are still lacking in developing their ideas and abilities. This study aims to determine students 'mathematical problem-solving abilities through the Problem Based Learning model based on students' Early Mathematical Ability (KAM). The research method used is qualitative. The results of this study indicate that students' mathematical problem-solving abilities through the Problem Based Learning model are better. The sample in this study were students of class VIII-7 Middle School 12 Padang consisting of 32 people. Students who were initially low-skilled increased to moderate-capable students with an increase of 75%. Students who were initially classified as capable were increasing to high-ability students by 26%. Students can 1) understand the problem, 2) draw up a settlement plan, 3) carry out the solution, and 4) re-check the answers.


Author(s):  
Leonard Leonard ◽  
Kurnia Khaerul Nisa

Kemampuan pemecahan masalah matematika merupakan salah satu tujuan pendidikan nasional di Indonesia, tetapi pencapaiannya masih tergolong rendah. Metode yang digunakan dalam penelitian ini adalah metode kuasi eksperimen dengan desain penelitian posstest-only. Pengambilan sampel pada penelitian ini menggunakan teknik purpose sampling. Sampel penelitian sebanyak 60 peserta didik yang terbagi dalam dua kelas (30 kelas eksperimen dan 30 kelas kontrol). Penelitian ini dilakukan di sekolah SMP N 10 Bekasi dan SMP N 26 Bekasi. Kelas eksperimen menggunakan model pembelajaran teamdengan strategi pembelajaran tugas dan paksa, sedangkan kelas kontrol menggunakan pembelajaran . Data yang terkumpul kemudian dianalisis dengan menggunakan uji beda rata-rata sampel bebas. Hasil analisis data menunjukan bahwa rata-rata nilai peserta didik yang pembelajarannya menggunakan model pembelajaran team assisted individualization dengan strategi tugas dan paksa lebih tinggi dibandingkan dengan rata-rata nilai peserta didik yang pembelajarannya menggunakan model pembelajaran langsung. Kata kunci: Model pembelajaran team assisted individualization, Strategi pembelajaran tugas dan paksa, kemampuan pemecahan masalah matematika   ABSTRACT This research was conducted to determine the effect of team assisted individualization learning models with task learning strategies and forced to the ability to solve mathematical problems. Mathematical problem solving ability is an ability that belongs to the national education goals, but its achievement is still relatively low. The method used in this study is a quasi-experimental method with a poststest-only research design. Sampling in this study uses purpose sampling technique. The study sample consisted of 60 students divided into two classes (30 experimental classes and 30 control classes). This research was conducted in the school of SMP N 10 Bekasi and SMP N 26 Bekasi. The experimental class uses team individualization learning models with task and forced learning strategies, while the control class uses direct learning. The collected data is then analyzed using independent sample t-test. The results of data analysis showed that the average value of students who learned using the team assisted individualization learning model with higher task and forced strategies compared to the average value of students who learned using direct learning models. Keywords: Team assisted individualization learning model, task and forced learning strategies, mathematical problem solving skills                


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