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Muhammad Asy'ari
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Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram
Published by Universitas Pendidikan Mandalika
ISSN : 25407899     EISSN : 23384530     DOI : https://doi.org/10.33394/j-ps
Core Subject : Science, Education, Social, Engineering,
Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Mathematics Physics Other
J-PS (Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram) was published by the Faculty of Science, Engineering, and Applied Science Universitas Pendidikan Mandalika. J-PS containing scientific articles in the form of research and literature.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 563 Documents
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APLIKASI SENYAWA AMIDA HUMAT SEBAGAI IONOFOR DALAM MEMBRAN ELEKTRODA SELEKTIF ION Ni (II) Muhali Muhali
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 1, No 1: June 2013
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.872 KB) | DOI: 10.33394/j-ps.v1i1.520

Abstract

The amide compound derived from humic acid has been applied as ionophore in ion selective electrode (ISE) measurement based on poly vinyl chloride (PVC) membrane.  The carboxylic acid group of the humic acid was first modified to the corresponding amide and is expected to form complex with the target cation. This work aims at obtaining selectivity coefficient towards Ni2+ ion.  The products of the reactions were observed using infra red (IR) spectrometer.  The amide compound derived from humic acid was immobilized into the membrane with composition percentage (w/w) as the following 32% of PVC, 64% of plasticizer of either [orto-nitrophenil octyl ether (NPOE) or dioctylpthalate (DOP) or dibenzyl ether (DBE)], 2% of lipophilic anion [sodiumtetraphenylborate (NaTPB), and oleic acid], and 2% of  ionophore the humic amide, respectively. The results show that ISE membrane give selective response to the Ni2+ ion at pH of 4,5 with response time of approximately 80 seconds. Among many others,  the cations that give strong emf interference include Cu2+,Li+,  K+, Pb2+, Na+, Zn2+, and Ca2+. The Nernstian factor of ISE membrane is close to +28 mV per decade with  linear range of concentration of pNi2+ of 1-6, with composition PVC membrane,  DBE as plasticizer, oleic acid as lipophilic anion, and humic amide as ionophore, respectively.
The Effect Entrepreneurship Education and Subjective Norm on Biology Students’ Self-Efficacy in Entrepreneurial Agus Muliadi; Baiq Mirawati; Saiful Prayogi
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 9, No 1: June 2021
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (796.482 KB) | DOI: 10.33394/j-ps.v9i1.3981

Abstract

This study aims to determine the effect of entrepreneurship education and subjective norms on students’ self-efficacy in the field of entrepreneurship. This study is an exploratory research with 35 students’ of biology education as research subjects. The research instrument used is a closed questionnaire with answers that are degraded according to the Likert scale which has been declared valid and reliable to use. Analysis of research data used is descriptive statistics and inferential statistics with multiple linear regression test at a significance level of 5%. The results of the study show that (1) students' perceptions of entrepreneurship education have an average of 3.15 in the Good category, subjective norms of 3.06 in the Good category, and self-efficacy of 3.12 in the Good category; (2) There is an effect of entrepreneurship education and subjective norms on students’ self-efficacy with an F value of 11.713 and a significance value (p) <0.05; (3) Entrepreneurship education and subjective norms simultaneously affect the self-efficacy of biology students’ by 42.3% and the rest are influenced by other variables or factors.
PENERAPAN METODE PEMBELAJARAN STUDENT FACILITATOR AND EXPLAINING BERBASIS PETA KONSEP UNTUK MENINGKATKAN AKTIVITAS DAN HASIL BELAJAR SISWA Masjudin Masjudin; Ni Ketut Resna Arini
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 2, No 2: December 2014
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (448.49 KB) | DOI: 10.33394/j-ps.v2i2.1064

Abstract

Students' learning activity and achievement are very low. This is because the teaching method used by the teacher is always monotonous and boring. Therefore, the purpose of this study is to describe the steps of learning methods Student Facilitator and Explaining-based Concept Map in order to improve the activity and learning outcomes of students of grade VII B SMPN 1 Jonggat on the subject matter of square. This research is a classroom action research consisting of two cycles containing planning, implementation, observation and reflection phase. Subjects of this study amounted to 28 students. The research instrument used is the learning achievement test given at the end of each cycle, the observation guideline to get a direct description of the learning activities through the application of learning methods of student facilitator and explaining based on concept maps, as well as interview guidelines to strengthen the research results obtained. The data obtained were analyzed using learning mastery. Indicators of this study is an increase in the average score of student learning outcomes and student learning activities. The results showed an increase in the average score of student learning outcomes in the first cycle of 79.29 with classical completeness 85.71% increased in cycle II to 88.08 with 92.86 classical completeness. The average score of student learning activity in cycle I was 16.48 (active category) increased in cycle II to 18,11 (active category). We conclude that by applying the steps of student learning methods facilitator and explaining based on concept maps in teaching and learning process can improve student activity and learning outcomes
Self-regulated in a Blended Learning: Case Study On Educational Doctoral candidates Fitri April Yanti; Ahmad Walid; Habibi Habibi; M. Anas Thohir
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 9, No 2: December 2021
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (667.771 KB) | DOI: 10.33394/j-ps.v9i2.4410

Abstract

This study investigates the use of self-regulated in blended learning by students in doctoral education courses to complete advanced statistics lectures. Self-regulated in blended learning is described in four phases according to Zimmerman, namely planning, monitoring, evaluation, and reinforcing. The participants consisted of five students from 5 different disciplines, and were willing to share their learning experiences. Research data obtained by interview method and analyzed qualitatively. Validation uses two strategies, namely member checking and peer debriefing. Member checking is done after the data is formulated into themes, then the researcher will bring it back to the participants to find out their accuracy. Peer debriefing was conducted by colleagues to review and ask critical questions about this research. Colleagues have at least a doctoral degree. The results show that planning for the completion of student assignments begins with (1) setting goals and planning strategies with (a) planning time for completing assignments; (b) Cooperation with peers online and off-line; and (c) planning for technical issues; (2) Regularly calculate their scores every week after being given feedback on the results of the lecturer's assessment, and save the feedback results from completed assignments; (3) using assignment assessment rubrics, using lecturer feedback, and grades, to measure progress in lectures; (4) the strategies they have designed and implemented have succeeded in making success in doing the task.
Pengembangan Perangkat Pembelajaran IPA Model Inkuiri Terbimbing (Guided Inquiry) untuk Meningkatkan Pemahaman Konsep Siswa SMP Fery Hermanto; Soetjipto Soetjipto; M. Thamrin Hidayat
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 4, No 2: December 2016
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1036.07 KB) | DOI: 10.33394/j-ps.v4i2.1149

Abstract

The objective of this research to produced learning materials were valid, practical, and effective to improved student’s conceptual understanding. The development of learning material used the ADDIE (Analyze, Design, Develop, Implement, and Evaluate) model and was tried out at VIII-A and VIII-B on SMP Negeri 1 Bandung Tulungagung with One Group Pretest-Posttest Design. Data were collected by used observation method, tests, and questionnaires. Data was analyzed descriptive analysis quantitatively and qualitatively. The results showed that 1) the learning material are valid categorized; 2) learning material in terms of practical category in (a) feasibility of instruction good category, (b) Obstacles for learning could be overcome, (c) student’s activity was active category; (3) the learning material effectiveness in terms of; (a) The response of student’s positively, and (b) student’s conceptual understanding increased significant after learning material was tried out. It could be concluded that the intervention design was valid, practical and effective to improved student’s learning achievement.
The Effectiveness of the Entrepreneurship MBKM Lecture Model: Alternatives to Improve Student Creativity Competencies during the Pandemic Covid-19 Dwikoranto Dwikoranto
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 2: April 2022
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.499 KB) | DOI: 10.33394/j-ps.v10i2.4993

Abstract

This study aims to produce an effective Entrepreneurship MBKM model in increasing student creativity by producing lecture outputs by students in the form of business plan drafts, startups, and entrepreneurship PkM proposals. The MBKM Entrepreneurship model used is said to be effective if there is an increase in creativity competence and it produces lecture outputs by students which are statistically significant and the average n-gain is at least in the moderate category. The research design in this study used a pre-experiment with a one group pre-test and post-test design. The research subjects were 30 students of Unesa physics in the 2021/2022 academic year. The instrument used in this research is a creativity assessment to assess student portfolio results. Data were analyzed using paired t-test and N-gain to see the increase in creativity. The results showed that there was a difference in creativity before and after the model was applied and a significant increase in student creativity and the average N-gain increase in student creativity in the medium criteria. In addition, students are able to produce creative products in the form of business plan drafts, startups, and entrepreneurship PkM proposals with a minimum score of B+.
The Effectiveness of Using the Islamic Integration Module on the Critical Thinking Ability of Madrasah Ibtidaiyah Students Ummu Khairiyah; Silviana Nur Faizah
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 7, No 2: December 2019
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (857.525 KB) | DOI: 10.33394/j-ps.v7i2.1780

Abstract

This study assesses the effectiveness of the integrated thematic modules of Islamic values on students' critical thinking abilities. The pre-experimental research with One Group Pretest Posttest Design was conducted. The sample was 21 students of Class 3 Madrasah Ibtidaiyah (MI) taken with the saturated sampling technique. Five critical questions were used, namely: (1) formulating the problem, (2) planning a problem-solving strategy, (3) making a decision, (4) analyzing the problem, and (5) evaluating the decision. The data were analyzed descriptively and statistically using paired samples test. The results show that the critical thinking ability was very critical in the category of 48%, critical 24%, quite critical 19%, and less critical 10%. Students' critical thinking abilities have improved after learning using Islamic thematic integration modules (N-gain = 0.5) with the medium category. Statistical test results show that the module has a significant impact (p> 0.05). Based on these results, it can be concluded that the use of integrated thematic modules is effective and can be further implemented.
Computer Assisted Learning Media and Decimal Board: How it Impact on Elementary Students’ Concept Mastery? Helmi Rahmawati
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 9, No 1: June 2021
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1066.065 KB) | DOI: 10.33394/j-ps.v9i1.3963

Abstract

The lack of students' mastery of decimal fractions has become a current issue among researchers. The comparisin of decimal fraction values was still an obstacle for students. The use of learning media in this study is the Computer Assisted Learning Media and Decimal Board can be a solution to these problems. This study aimed to describe the increase of elementary students’ concept mastery on decimal fractions subject matter. Descriptive-quantitative method with pre-test and post-test was carried out to achieve the research objectives. The subjects in this study were the 4th grade students (22 students) in the East Lombok area. The students' concept mastery was measured using a multiple-choice test instrument of 10 items. The research data were analyzed descriptively and statistically using paired sample t-test. The results showed that students' concept mastery increased after learning (pre-test: 54.5%; post-test: 77.27%). The results of statistical tests using the paired sample t-test also showed that students' concept mastery had increased significantly after learning (p < 0.05). Based on the results of the study, it can be concluded that learning using Computer Assisted Learning Media and Decimal Boards can improve elementary school students' concept mastery on decimal fractions subject matter.
IDENTIFIKASI STRUKTUR SENYAWA ANTIJAMUR DARI RUMPUT LAUT Rahmawati Rahmawati
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 2, No 1: June 2014
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (491.149 KB) | DOI: 10.33394/j-ps.v2i1.1053

Abstract

Screening of plants antifungal compounds from Algae has been resulted. Screening was preceded by extraction of its fresh substance with benzene, methanol, and chloroform solvents and followed examination towards fungi Fusarium oxysforum, Sclerotium rolfsii, Aspergillus flavus, and Pythium spp. The antifungal effects were tested by well methode in potato dextrosa agar (PDA) medium. Analysis compound of benzene extract with preparative TLC methode (n-hexene : ethyl acetate : methanol = 7 : 2 : 1) obtained 5 compounds. Antifungal activity test of the fractions was done by the disk diffution methode with PDA medium. Identification of active compounds with spectroscophy method (IR and NMR) indicated the benzene extract analogue with fungicide Metalaxyl with the benzene ring and substituens of ester, alkyl, and amide. Identification of fractions showed that the compounds analogue with fungicides belong to carboxamide with the main substituen of benzene ring and ester/aldehids formed, alkyl, and  amide.
Improving Scientific Creativity and Scientific Attitude of Students through Creative Responsibility Based Learning on Energy-Work Materials during the Covid-19 Pandemic Khairunnisa Maharani; Saiyidah Mahtari; Suyidno Suyidno
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 9, No 2: December 2021
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (726.195 KB) | DOI: 10.33394/j-ps.v9i2.4386

Abstract

Scientific creativity and scientific attitude play an important role in learning physics, but both of those competencies are not properly trained. Therefore, the purpose of this study is to describe the effectiveness in increasing scientific creativity and students’ scientific attitude. The research is part of a development research using the ADDIE model. In the ADD (Analysis, Design, Development) stage, a CRBL package has been produced that has met the valid and reliable criteria; so that the device can be continued at the IE (Implementation, Evaluation) stage by using a one group pre-test and post-test design. The research subjects were 22 students of class X in one of the senior high schools in the city of Banjarmasin. The data were obtained using instruments of scientific creativity test and scientific attitude questionnaires. The results of the study show that the n-gain of scientific creativity is 0.34 in the medium criteria, although every scientific creativity indicator has not reached the school minimum completeness criteria due to the online learning process. Also, the students’ scientific attitude has increased at each meeting in good criteria. Thus, CRBL is effective in increasing scientific creativity and students’ scientific attitudes during the COVID-19 pandemic.

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