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<![CDATA[Direct Current (DC) vs Alternating Current (AC) Financial Transaction Flow in Holding and Non-Holding Companies ]]>
<![CDATA[M. Ali Fikri]]>;
<![CDATA[Biana Adha Inapty]]>;
<![CDATA[Baiq Rosyida Dwi Astuti]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 2: April 2022 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v10i2.5090
<![CDATA[A study on the flow of financial transactions needs to be carried out considering that activities in the financial sector require quick and relevant decisions. The flow of financial transactions in the business world is almost similar to direct current (DC) and alternating current (AC). The phenomenon is that many business people want their funds to be spread outside the company, and some want their funds to only revolve around the company. This study tries to analyze the results of investment flows of funds outside the company and within the company in the scope of the Indonesian capital market. This research is a research using a descriptive approach. The descriptive approach is intended to describe phenomena that occur in the field. The number of sample companies is 175 companies (holding and non-holding). Each company is given a code (code 1 for holding, and code 0 for non-holding), and company data is screened according to research needs on aspects; profit return, stock return, stock price, and profit and loss. Data mining in the field is carried out by researchers by means of secondary data analysis techniques for the capital market through analysis of financial statements from the side of the transaction flow. Then the results of the analysis of the company's flow of funds are processed, compared, and used as the basis for drawing conclusions. The results provide evidence that holding financial flows are more profitable than non-holding according to AC/DC transaction flows. This is in accordance with the risk reduction theory that many developed countries do by controlling the circulation of money only around their country. Theoretically, the results of this study contribute that holding companies have advantages over non-holdings, and practically this research provides a discourse for business people that it is better to run the business alone and not depend on outside parties.]]>
<![CDATA[The Effect of PBL Model and Learning Styles on Mathematical Problem-Solving and Self Esteem Abilities ]]>
<![CDATA[Wangsit Rigusti]]>;
<![CDATA[Heni Pujiastuti]]>;
<![CDATA[Anwar Mutaqin]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 8, No 1: June 2020 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v8i1.2683
<![CDATA[This study aimed at determining whether the PBL model and learning styles could influence the students' mathematical problem-solving and self-esteem abilities. This study was a quasi-experimental study, in which in include of two classes namely X MIPA 1 class (Mathematics and Natural Sciences); moreover, there were 24 students who used the PBL learning model as an experimental class and X MIPA 2 (Mathematics and Natural Sciences) that consisted of 22 students used a scientific learning model as a control class at SMAN 17 Pandeglang on the academic year of 2019/2020. In addition to the learning model, the students were also categorized based on visual, auditory, and kinesthetic learning styles. The data were collected by means of learning style questionnaires, problem-solving ability test, and self-esteem questionnaires. The data analysis was performed statistically both descriptive and inferential. The validity of mathematical problems was based on the expert assessment and validity test while the reliability was tested using product moment correlation. Pre-test and post-test data had been tested and both of them were homogeneous and normally distributed. The homogeneity test used Lavene test and the normality test used Chi Square. The influence test was performed using statistics, the average difference test, the two-way ANOVA test, and the Post Hoc follow-up test with Scheffe. All data were processed using SPSS. This study indicated the success by obtaining a significant value of 0.00 <α. Hence, it can be concluded that there is an effect of the implementation of PBL models and learning styles on mathematical problem-solving and self-esteem abilities.]]>
<![CDATA[PENGARUH BLENDED LEARNING DALAM PEMBELAJARAN BERBASIS MASALAH (PBL) TERHADAP HASIL BELAJAR MAHASISWA IKIP MATARAM PADA MATERI PENCEMARAN LINGKUNGAN ]]>
<![CDATA[Citra Ayu Dewi]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 1, No 1: June 2013 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v1i1.514
<![CDATA[To teach environmental pollution subject material must be adjusted to real daylife problem because environmental pollution can’t last from human life. Associated with the characteristics of environmental contamination materials will be more appropriate if taught with problem-based learning strategies and to provide more learning opportunities, discussing the concept thoroughly, improve the transfer of learning and experience in leading the learning itself so that a blended learning is needed to be able to improve the process of critical thinking and lead to an optimal learning environment. This study has proved that the learning process that uses PBL and blended learning turned out to provide better student study result include cognitive, affective and psychomotor domains. In addition, the application of blended learning in PBL can also provide a positive perception.]]>
<![CDATA[Validity and Practicality of Problem Based Learning (PBL) Model Learning Tools to Improve Students' Conceptual Understanding ]]>
<![CDATA[Siti Hidayati]]>;
<![CDATA[Susilawati Susilawati]]>;
<![CDATA[Ahmad Harjono]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 9, No 1: June 2021 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v9i1.3966
<![CDATA[This study aimed to develop a valid and feasible problem-based learning tool to improve students' conceptual understanding. This research is a development research using the 4D model. In addition to developing science teaching materials, this research also develops syllabus, lesson plans, and concept understanding instruments. This research was conducted in one of the SMPN Lombok Timur. The validation of learning products was carried out by three validators, media experts and material experts. Expert validation data analysis was carried out using the Pearson validation formula. The results of the feasibility study of integrated student worksheet obtained an average value of 80.6% with very valid criteria. The syllabus got an average score of 77.8%, lesson plans got an average score of 78.2%, and the instrument got an average score of 78%. The average learning tools got an average score of 78.75%. The results of practicality obtained an average practicality of the teacher and student questionnaire responses of 78.75%, while the learning implementation sheet was 77.66%. In conclusion, problem-based learning model learning tools were valid and practical to improve students' conceptual understanding.]]>
<![CDATA[PENGEMBANGAN BUKU SISWA SMP KELAS VIII DENGAN MATERI PRISMA DAN LIMAS YANG BERPIJAK PADA MASALAH KONTEKSTUAL, PENGGUNAAN MODEL, DAN PENEMUAN TERBIMBING ]]>
<![CDATA[Syarifudin Syarifudin]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 2, No 1: June 2014 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v2i1.1056
<![CDATA[The development of this student book uses the Thiagarajan development model. The development of this model has four stages: definition, planning, development, and dissemination. In addition, the development of students' books is based on realistic mathematics education (PMR), especially on contextual issues, the use of models, and guided discovery. Subsequently the student's book has validated experts and practitioners to be tested in the classroom. Expert and practitioner scores were 3.46 (very valid). Furthermore, it was tested in the classroom in order to see the practicality and effectiveness. Practicality of students' books is measured through the implementation of learning in the learning process. Student book implementation data as a whole is 'high categorized'. Student book effectiveness is measured through three indicators: (1) student activity, (2) student response, and (3) mastery learning. Through classroom tests, data on students' activity observation outcomes during the learning process as a whole are 'active criteria'. Students give a positive response. Post-test data found that none of the students scored under 65% of the standard learning objectives to be achieved. Furthermore, if seen classically obtained an average of 83.1%.]]>
<![CDATA[Systematic Literature Review on Corporate Information Technology Governance in Indonesia using Cobit 2019 ]]>
<![CDATA[Muhammad Ikhsan]]>;
<![CDATA[Aris Puji Widodo]]>;
<![CDATA[Kusworo Adi]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 9, No 2: December 2021 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v9i2.4370
<![CDATA[The development of Information Technology as a data communication medium is growing very rapidly. The role of information technology is of course very crucial. However, the problem that often occurs in companies or agencies is the incompatibility of technology expectations with technology that already exists in a company. Therefore, it is necessary to manage the use of information technology. This study is a literature review that aims to analyze the IT governance of companies or agencies in Indonesia that use Cobit 2019. This study uses the Systematic Literature Review (SLR) method, to answer Research Questions (RQ): RQ1 related to the company or agency that is the case study when evaluating governance using Cobit 2019, RQ2 related to the type of journal publication and year of publication of the article, and RQ3 related to recommendations from recommended domains from journal case studies. The results of the study obtained as many as 18 journal articles and proceedings were selected in the search process according to the established criteria. The results of a specific study in the context of the main question of this study, namely the governance system of 18 companies or agencies have used Cobit 2019 (answer from RQ1). The selected relevant article types include 18 articles sourced from 7 journal articles and 11 proceedings articles with a range of publication years from 2019 to 2021 (answer from RQ2). From the selected articles, it was identified that the use of the Deliver, Service, and Support (DSS) domain was the most dominant in the implementation of Cobit 2019 in companies or agencies in Indonesia. The results of the study are further described in this article.]]>
<![CDATA[Pengembangan Perangkat Pembelajaran Metode Brainstorming Materi Teknologi Ramah Lingkungan untuk Meningkatkan Hasil Belajar IPA Siswa ]]>
<![CDATA[Mohammad Walid Syaifullah]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 4, No 1: June 2016 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v4i1.979
<![CDATA[This study aims to produce a science learning tool that is valid, practical, and effective using brainstorming methods on environmentally friendly material to improve the science learning outcomes of junior high school students. The learning tool was tested on 30 students of Class IX-B of SMP Ma’arif NU 2 Karang Penang Sampang in the academic year 2016/2017. This research is development research, with a 4-D model. The device trial design uses one group pretest-posttest design. The results of the study show: (1) the validity learning devices are categorized as valid; (2) the implementation of the lesson plan is categorized as good; Student activity shows student-centered learning; (3) positive student responses to the learning process, the average score of completeness of student learning achievements is 78.06%. Based on the results and discussion of the research, it can be concluded that science learning devices use environmentally friendly material technology brainstorming methods to improve SMP students' learning achievements are valid, practical, and effective use in learning.]]>
<![CDATA[Development of Augmented Reality-Based Interactive “Element Card” Media on Electron Configuration Submaterial According to Niels Bohr ]]>
<![CDATA[Mariatul Qibtiyah]]>;
<![CDATA[Sukarmin Sukarmin]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 2: April 2022 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v10i2.4916
<![CDATA[This study aims to obtain the feasibility of Augmented Reality-based Element Card interactive media on the electron configuration submaterial according to Bohr's theory. This research uses a 4D model which is only carried out until the development stage. This research was conducted at SMAN 1 Gedangan Sidoarjo on 30 students X IPA. This study used a validation sheet instrument, pretest and posttest questions, student response questionnaires, and student observation questionnaires. If the value of the validation result is ≥ 61% then it is considered valid, the practicality value is ≥ 61% then it is considered practical, and the effectiveness value if it is classified above 0.3 which includes medium or high then it is considered effective. The results of content and construct validation are 88% and 84% are included in the very valid category. Practicality was obtained from 94.86% and 97% of student responses and observations included in the very practical. The effectiveness is obtained from learning outcomes by calculating the N-Gain and Wilcoxon Signed Ranks Test, the value of Asymp. Sig (2 tailed) is 0.000 which is smaller than 0.05 so there is a difference in the students' pretest and posttest scores. This proves that the interactive media based on the Augmented Reality Element Card can be used for chemistry learning media.]]>
<![CDATA[The Effect of Double-Loop Problem-Solving Models on Students' Critical Thinking Ability ]]>
<![CDATA[H. Halimah]]>;
<![CDATA[S. Sutrio]]>;
<![CDATA[Ni Nyoman Sri Putu Verawati]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 7, No 2: December 2019 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v7i2.1751
<![CDATA[This study aims to determine the effect of double loop problem-solving models on students' critical thinking ability. The quasi-experiment with untreated control-group design with the pretest-posttest design is used. The population includes all off students in class X MIA SMAN 2 Aikmel as many as 123 people. The sampling technique used purposive sampling, and as samples are 31 students in class X MIA 2 (experimental group) and 28 students in X MIA 3 (control group). The experimental group was treated with a double loop problem-solving model while the control loop with direct instruction learning. The instrument used was a critical thinking ability test of 10 items in which two items measured each indicator. Indicators measured, namely interpretation, analysis, evaluation, inference, and explanation. The instrument test results showed that the ten items were valid and reliable so that they could be used in research. Research hypotheses were tested using pooled variance t-test. The results of the data analysis show that tcount> ttable which means that H0 is rejected and Ha is accepted, so it can be concluded that there is an effect of double loop problem-solving models on students' critical thinking ability.]]>
<![CDATA[Characteristics of Instruments and Profile of Creative Thinking Ability of Students on Work and Energy Material ]]>
<![CDATA[Annofi Sa'diyah Muflikhun]]>;
<![CDATA[Woro Setyarsih]]>
<![CDATA[ Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 10, No 3: July 2022 ]]>
Publisher : <![CDATA[IKIP Mataram ]]>
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DOI: 10.33394/j-ps.v10i3.5408
<![CDATA[Physics learning in secondary schools requires students to achieve learning objectives in developing conceptual skills and creative thinking by studying every problem that occurs in life using the concept of physics. However, the fact is that the physics material taught rarely relates the content of the lesson to everyday life, the lesson is mostly filled with convergent so that creative thinking skills cannot be measured. This study aims to apply the developed instrument and obtain empirical data on the validity of the instrument as well as a profile picture of students' creative thinking abilities. This study uses the ADDIE model with 5 stages, namely analysis, design, develop, implement, and evaluate. The test subjects in this study were 34 students of class X UMIPA 2 at MAN 1 Bojonegoro. The results of the development obtained 10 items of instruments that have been validated by 3 lecturers of physicists. Empirical validity was analyzed using Microsoft Excel software. Based on the data from the validity test results that have been analyzed, it shows that the instrument that has been developed is theoretically valid with an average V Aiken value in the material, construction and language domains, respectively 0.91; 0.91; and 0.87. The results of instrument validation are also declared empirically valid by having values: (a) Empirical validation of items with an rxy value range of 0.34 to 0.64; (b) The reliability of the instrument obtained an r11 value of 0.564 with a sufficient category, (c) The difficulty level of the instrument questions was 30% of the questions in the medium category and 70% of the questions in the easy category, (d) The discriminatory power of the instrument had 10% good questions, 40% enough questions, and 50% of the questions are not good. Creative thinking skills in students have a medium to very high category.]]>
