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Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram

prismasains
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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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APPLICATION OF THIN LAYER CHROMATOGRAPHY (Tlc) AND GASS CHROMATOGRAPHY-MASS SPEKTROSCOPY (GC-MS) AS ANALYSIS TECHNIQUE OF PHITOSTEROL COMPOUNDS IN WATER EXTRACT OF BEAN FRUIT (Phaseolus vulgaris L.) Hilyatul Jannah; I Made Sudarma; Yayuk Andayani
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 1, No 2: December 2013
Publisher : IKIP Mataram

Phytosterols are vegetable sterols, included in secondary metabolite compounds and have broad benefits in the health field. Sources of natural ingredients containing phytosterol compounds have been widely used as medicinal ingredients, one of which is beans (Phaseolus vulgaris L.). This research is an exploratory research, aimed to analyze the content of phytosterol compounds in water extract, and the result of partition of water extract of beans using TLC and GC-MS technique. The result of phytochemical test showed that from 13 extracts of partition result with n-hexane solvent, DCM, ethyl acetate, and methanol, only 5 extracts showed positive steroid, including water extract, hexane residue, DCM residue, methanol extract, and methanol residue. The TLC test results on the hexane residue of the partition from the water extract were suspected as stigmasterol compound because it has the price of Rf = 0.9 equal to the standard Rf compound of stigmasterol, whereas the GC-MS product showed negative phytosterol.

The Effect of Imagery Exercise and Progressive Muscle Relaxation on Anxiety and Concentration in Soccer Athletes Zakir Burhan; Lalu Yoga Vandita
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 9, No 2: December 2021
Publisher : IKIP Mataram

This study aims to examine the effect of applying imagery and progressive muscle relaxation exercises on the level of anxiety and concentration in Persatu Darek FC athletes. This study uses a quantitative approach with a quasi experimental design (matching-only design). The research sample consisted of 33 athletes who were divided into 3 groups of athletes (11 athletes in each group), each of which was given a pretest and posttest. The experimental group I was given an imagery exercise program, the experimental group II was given a progressive muscle relaxation exercise program, and the third group was a control (conventional exercise). The test instrument to measure the level of concentration is the grid concentration exercise test, while the anxiety test uses a sport anxiety scale. Data analysis in this study used a different test (t-test) and multivariate analysis of variance. The results of the study showed that there was a significant effect of giving progressive muscle relaxation and imagery exercises to the level of anxiety in soccer players. However, it has no effect on conventional exercise modes. The provision of progressive muscle relaxation and imagery exercises also affects concentration in soccer players, and this does not apply to conventional training modes. In this study, we also found that there was no difference in the effect of the concentration variables and the level of anxiety together. Therefore, it can be concluded that neither of the two methods of mental exercise (imagery and progressive muscle relaxation) has a more effective effect on concentration and anxiety levels. The recommendation from the results of this study is that mental exercise conduction (imagery and progressive muscle relaxation) is very important for soccer players as a non-physical exercise mode that is very useful for reducing anxiety and increasing concentration.

PENERAPAN PENDEKATAN SIKLUS BELAJAR (LEARNING CYCLE) BERORIENTASI KOOPERATIF UNTUK MENINGKATKAN HASIL BELAJAR Faizul Bayani; Ida Wahyuni
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 3, No 1: June 2015
Publisher : IKIP Mataram

This action research aims to improve student outcomes and learning processes. The population of this research was 32 grade X Gunungsari Vocational High School students, amounting to 32 people on the subject of atomic structure and periodic elements. The study was designed in three cycles and adjusted to the stages of Classroom Action Research (CAR). Instrument testing includes power test difference, level of difficulty and reliability. The results for cognitive aspects measured by the test increased from cycle 1 (77.42%) to cycle 2 (87.50%) but decreased in cycle 3 (56.25%), while affective aspects were measured by attitude questionnaires shows the average attitudes/responses of students in the good category and psychomotor aspects as measured by performance tests provide learning completeness of 100% with an average of 84.18. For the results of observations the teaching and learning process states that the activities of students are in the category of being quite active in cycle 1, active in cycle 2, and very active in cycle 3. Activity of teachers is in the very active category for all three cycles. Based on this data, it can be concluded that the implementation of cooperative oriented learning cycle approaches has a positive effect on the results and learning process of class X students at SMK 1 Gunungsari on the subject of atomic structure and periodic elements.

Obstacles of Online Learning During the Covid-19 Pandemic Among Science Teachers in Palu City Rafiqa Rafiqa; Sri Wahyuni; Amalia Buntu
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 1: January 2022
Publisher : IKIP Mataram

This study aims to describe the obstacles to online learning during the COVID-19 pandemic among science teachers in Palu City. This research is a qualitative descriptive study using a survey method which was conducted in person and online. Primary data collection was done by interview, distributing questionnaires totaling 25 questions online to respondents. Respondents were 9 science teachers in 3 junior high schools in Palu Barat sub-district who were more than 25 years old with a bachelor's degree. The results showed that overall there were 4 items that did not hinder or did not become an obstacle in online learning for teachers, 12 statement items were considered inhibiting by teachers and 9 items were considered very inhibiting by teachers, the difficulty faced by teachers was the difficulty of evaluating practicum activities online, while some subjects in science lessons require practicum activities, this makes the teacher improvise in practicum activities and ask students to do simple independent practicums, but direct practicum is still considered better because the teacher can directly monitor student activities

Pengaruh Metode Pembelejaran Diskusi Buzzgroup terhadap Keaktifan dan Prestasi Belajar Siswa Nurvilia Apriyanti; Lovy Herayanti; Habibi Habibi
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 5, No 2: December 2017
Publisher : IKIP Mataram

This study was conducted to determine the effect of buzz group discussion learning methods on the activeness and learning achievement of physics in class VIII of SMPN 4 Praya Barat Daya 2015/2016 Academic Year. The type of research used in this study is a kind of quasi-experimental research. The population in this study were all eighth-grade students totaling 38 people consisting of class VIII A totaling 20 people as the experimental class and class VIII B totaling 18 people as the control class with the sampling technique used was a saturated sampling technique. The instruments used are valid observation and test sheets both in content, construct, and empirical with a value of 3.34; 3.40; and 3.23, and reliable with the value of αCronbach = 0.608. The results of this study were also able to influence the achievement of learning physics. Based on statistical calculations using the ttest test, the value of tcount = 23.00 is greater than t table = 2.02 (t count = 23.00> t table = 2.02). Thus, it can be concluded that there is the influence of buzz group discussion learning methods on the activeness and learning achievement of physics in class VIII Praya Barat Daya SMP 4 2015/2016 Academic Year.

Development of Arduino-Based Flowmeter Sensor Props for Measuring Water Flow in Dynamic Fluid Materials Rosyida Husniyah; Prabowo Prabowo
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 3: July 2022
Publisher : IKIP Mataram

The purpose of this study is to describe the validity of an Arduino-based flowmeter sensor tool to measure water flow in dynamic fluid materials, as well as the suitability of an Arduino-based flowmeter sensor tool to measure water flow in dynamic fluid materials compared to the theory of continuity principles. Development research using the ADDIE model is the method used (Analysis, Design, Development, Implementation, Evaluation). The validity of the Arduino-based flowmeter sensor is determined by the results of a professional lecturer validator and the accuracy of the test results or the level of accuracy using teaching aids. The accuracy calculation was used to assess the suitability of the Arduino-based flowmeter sensor application for the theory. Based on the data that has been obtained, the validation results, and the accuracy level of the teaching aid have a percentage of 61%, so the validity level of the Arduino-based flowmeter sensor for measuring water flow is included in the very good category. The validation of teaching aids resulted in a percentage of 93.1%, while experimental data using an Arduino-based flowmeter sensor resulted in an average accuracy rate of 99.19%. Meanwhile, the accuracy of teaching aids to the concept of continuity principle was obtained with an average accuracy rating of 98.12%. By holding this practicum activity, students can better understand the concept and improve students' critical thinking. Given that during practical activities, students are required to solve a problem . The accuracy of teaching aids is included in the very good category on the interpretation scale.

Implementation of the Creative Problem Solving (CPS) Learning Model Based on Information and Communicaton Technologies (ICT) to Improve Mathematics Learning Outcomes Nisa Miftachurohmah; Nasruddin Nasruddin; Jahring Jahring; Agus Sugiarto; Putri Tipa Anasi; Syarifuddin Syarifuddin; Andri Estining Sejati
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 4: October 2022
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v10i4.5828

This research aims to improve students' mathematics learning outcomes by using a learning model based on Information and Communicaton Technologies (ICT). This research is a Classroom action research qualitative research. This research method consists of: (1) planning (planning); (2) the implementation of the action (action); (3) observation and evaluation (observation and evaluation); (4) reflection (reflection). This research uses descriptive statistical data analysis involving 20 students, including 7 boys and 13 girls and using instruments in the form of student worksheets and interview guidelines for teachers and students. Based on the results of initial observations, it shows that the low learning outcomes obtained by students. This is because teachers have less ability to vary learning models/strategies, where teachers only explain the material to students and then ask questions, but only a few students have an active understanding of concepts/knowledge in learning. Based on the daily test results, before the first cycle of action, only 40% of students with an average score of 60.1 scored 70 from the KKM (Minimum Graduation Criteria), which was 75%. In the first cycle, there was an increase from the initial test which was 40% to 55% of students with an average score of 65.98 who obtained a score of 70, while in the second cycle the test also increased to 85% with an average score of 80.56 who obtained a score 70. The final result of this research is that it can improve Mathematics Learning Outcomes by Applying the ICT-based Creative Problem Solving (CPS) Learning Model.

The Impact of Digital Literacy and Risk Internet Behavior on Science Learning Achievement: A Case Study of Students at Junior High School 1 Kendari Sitti Hajar; Aceng Haetami; Muzini Muzini
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 4: October 2022
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v10i4.5783

Today's main problem is the lack of literacy in the learning process. The use of literacy is defined as a pattern to foster and develop the process of reasoning and thinking. Currently, many children do not have literacy skills, one of which is digital literacy. Digital literacy among students and schools is often misused or misinterpreted, especially in the use of the digital internet. This study aims to describe digital literacy, risk internet behavior, and science learning achievement, as well as the simultaneous and partial influence of digital literacy and risk internet behavior on science learning achievement. This research is classified as quantitative research using the survey method. The population in this study were all students of Junior High School 1 Kendari in the 2020/202 academic year. The sampling technique in this study is proportionate stratified random sampling, i.e., population members are taken at random and proportionally stratified, consisting of classes VII, VIII, and IX. The number of samples obtained was 284 samples. The results showed that the average digital literacy of students was included in the reasonably high category, and the average risk internet behavior of students was included in the good category, meaning that they could control the bad risks arising from using the internet. The average science learning achievement of students was included in the high category. Multiple linear regression test results show that digital literacy and risk internet behavior simultaneously significantly affect science learning achievement, with a contribution of 9.4%. And the results of a simple linear regression test show that digital literacy does not substantially affect science learning achievement. This is because the contribution of digital literacy is very small, namely 0.04%, so statistically, digital literacy has no significant or no effect on science learning achievement. Meanwhile, risk internet behavior significantly influences science learning achievement, contributing 9.15%. Based on the analysis results, the internet's use had an impact on student achievement in school. It is because many students use the internet as a learning resource.

Interactive Multimedia Inquiry Based on Local Wisdom: Alternative Media to Improve Students' Environmental Care Attitude Agus Ramdani; A. Wahab Jufri; Jamaluddin Jamaluddin
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 4: October 2022
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v10i4.6109

The students' environmental care attitude is still low. One of the factors that cause environmental damage is the lack of awareness of students in the importance of disposing of waste in its place and knowledge in managing waste. In addition to the problem of students' environmental care, learning in schools is also still rarely associated with learning materials with the surrounding environment (local wisdom). The research aims to develop an interactive multimedia inquiry that integrates practical and effective local wisdom to improve students' environmental care attitudes. This research is a development research using a 4D development model. The environmental care attitude questionnaire instrument was developed referring to 4 indicators, namely: maintaining class cleanliness, maintaining school cleanliness, developing empathy for all forms of life and maintaining plants at school. Data collection techniques using a questionnaire instrument. The practicality data analysis technique uses practicality percent and the effectiveness of interactive multimedia inquiry is analyzed using normalized gain. The results showed that the teacher's response to multimedia products was categorized as good because it was in accordance with learning needs by utilizing technology. Students' responses to multimedia are categorized as good because the tasks given are in accordance with the experiences of students in both the social and school environment. Based on the results of the analysis of the effectiveness test, it showed that the experimental class taught using interactive multimedia inquiry based on local wisdom obtained an increase in environmental care attitudes which was higher than the control class taught without using interactive multimedia based on local wisdom, it obtained an increase with moderate criteria. Based on this description, it can be concluded that interactive multimedia inquiry based on local wisdom is practical and effective to improve students' environmental care attitudes.

Development of Critical Thinking Ability Test using the Rasch Model on Substance Pressure Materials Eliza Eliza; Tomo Djudin; Erwina Oktavianty
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 4: October 2022
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v10i4.5987

This study aims to produce an instrument to measure students' critical thinking skills on pressure equipment in class VIII SMP. The type of research used is Research and Development (R&D). The type of research used is research and development (R&D). The test instrument developed was in the form of multiple choice based on eight development steps, namely potential and problems, information gathering, product design, product validation, product revision, product testing, product revision, and final product. Validation of the instrument was developed by 3 validators, namely 2 lecturers of Physics Education at FKIP Tanjungpura University and 1 science teacher at the school. The validation given to the validator is in the form of a material validation questionnaire and question validation. The results of material expert validation data obtained 84.72%, validation obtained from content validation with an Aiken index of 0.78, included in the high category and suitable for use. The results of the data analysis of teacher and student response questionnaires obtained 92.60% and 86.26% categorized as very feasible. The results of construct validity using the Rasch model with the application of Winstep 3.73 obtained result 3, which was declared inappropriate because it did not meet the MNSQ, ZSTD, and Pt Measure Corr criteria. The reliability of the Cronbach alpha test value obtained a value of 0.73 with a fairly high category. Regarding the level of difficulty of the item, 4 question items must be discarded because they are included in the very easy and very easy categories. The overall discriminatory power is in the good category with a discriminatory index of 0.40 DP < 70. The results of the study show that out of 30 things, 23 things are appropriate to be used to measure students' critical thinking skills with good-quality items.

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Muhammad Asy'ari

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prismasains.pkpsm@gmail.com

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+6285338219596

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prismasains.pkpsm@gmail.com

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PKPSM UNDIKMA, Jl.Pemuda No.59A Mataram,Nusa Tenggara Barat

Location
Kota mataram,

Nusa tenggara barat

INDONESIA

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Muhammad Asy'ari

Contact Email prismasains.pkpsm@gmail.com

Phone +6285338219596

Journal Mail Official prismasains.pkpsm@gmail.com

Editorial Address PKPSM UNDIKMA, Jl.Pemuda No.59A Mataram,Nusa Tenggara Barat

Location Kota mataram, Nusa tenggara barat INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Muhammad Asy'ari

Contact Email
prismasains.pkpsm@gmail.com

Phone
+6285338219596

Journal Mail Official
prismasains.pkpsm@gmail.com

Editorial Address
PKPSM UNDIKMA, Jl.Pemuda No.59A Mataram,Nusa Tenggara Barat

Location
Kota mataram,

Nusa tenggara barat

INDONESIA