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Jurnal Penelitian Pendidikan IPA (JPPIPA)
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ISSN : 24602582     EISSN : 2407795X     DOI : -
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
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Articles 99 Documents
Search results for , issue "Vol 9 No 4 (2023): April" : 99 Documents clear
Implementation of Digital-Based Authentic Assessment to Assess Observing, Inferring and Predicting Skills in Prospective Chemistry Teachers Isna Rezkia Lukman; Ratna Unaida; Sri Setiawaty; Najiha Sabrina
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2731

Abstract

As the spearhead of successful learning in the classroom, a prospective teacher must have qualified abilities and skills, teacher competence and teaching quality need to be ensured. One of the ways to measure the competence of prospective chemistry teachers is by using authentic assessments. This assessment can be done digitally through an authentic digital-based assessment with a project-based learning model. The model, research design and instrument development carried out in this study is an adaptation of the test preparation procedure with the following instrument preparation steps: (1) planning the test, (2) trying out the test, (3) establishing test validity, (4) establishing test reliability, (5) interpreting the score. In this study, there were three parameters studied, namely (1) Analysis of the needs of prospective teachers at school. (2) Preparation of authentic assessment instruments that have been developed based on validators, (3) Analysis of observing, inferring and predicting skills. Analysis of school needs is the basis for the preparation of authentic assessment instruments and models that are compiled. The results of the learning instruments that have been compiled and have been developed have excellent quality criteria with an average per aspect of 0.875 and are declared valid based on the assessment of material experts, media experts and peer reviewers. The validated instrument is then implemented where the Implementation Analysis on prospective teachers in the observing aspect gets a score of 3,374 including in the excellent category, as for inferring, it gets a score of 3,217 including in the good category, in the predicting aspect it gets a score of 3,553 including the excellent category, so that the average teacher candidate gets a score of 3,392 including the excellent category. Meanwhile, the affective instrument of students got a score of 3.22 on the persistence aspect and 3.16 on the attention aspect, both of which were in the good category. So that the average affective aspect of the participants got a score of 3.19 and was included in the good category
Analyzing Students' Learning Obstacles on Distance Material in Three Dimensional Sukri Sukri; Sufyani Prabawanto; Dian Usdiyana
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2774

Abstract

This study was intended to identify learning obstacles faced by students on the distance between two points and the distance between point-to-line materials. The data in this study was obtained through a test, interview, and documentation of students who have learned the materials. The research method used was the qualitative method with a case study approach. This study involved 33 students of class XII and a teacher as a participant. Learning obstacles found in this study were ontogenical, didactical, and epistemological obstacles. The ontogenical obstacles were the students' lack of basic geometry ability and counting operations of the square root which caused the students to make mistakes in applying the Pythagoras formula, determining the position of perpendicular lines, as well as completing arithmetic operations of the square root. The didactical obstacle was the fact that students were only emphasized on using a quick formula to solve three-dimensional problems. This fact resulted in the uncompleted concept received by students. Consequently, the students forget the proper procedure for solving the problems easily, and they tend to make mistakes in applying the quick formula. The epistemological obstacle was the lack of students' comprehension of a concept to determine the distance between a point to a line if the triangle which is formed is not a right triangle. This lack of comprehension caused the students can’t solve a mathematics problem. The implication of this study is learning materials used by students should be arranged based on students' needs which consider the analysis of learning obstacles so that the learning objectives can be achieved
Bahasa Inggris Nur Huda; Eli Rohaeti; Jaslin Ikhsan
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2784

Abstract

This study's main objective is to explore chemistry students' attitudes towards the learning policies implemented during the Covid-19 Pandemic. Method: This study used a quantitative approach with a cross-sectional survey method. Respondents were 201 students majoring in chemistry at a university in Surabaya, Indonesia. The data collection instrument was a questionnaire developed during the research and validated through a confirmatory factor analysis (CFA) test. Data analysis used is descriptive statistics and two-way ANOVA test to interpret differences in student perspectives based on two characteristics. Findings: 18 of the 21 questionnaire items fall into the valid and reliable category with a loading factor value greater than 0.50. From the two characteristics of the respondents who were analyzed through the two-way ANOVA test, there were significant differences in student perspectives on the implementation of learning based on learning intensity with significance levels of 0.031. Overall, 52% of students choose blended learning, 46% face-to-face, and 2% online learning. Implications for Research and Practice: Currently, blended learning is still relevant for chemistry students in Indonesia. With notes, face-to-face learning is carried out more than virtual (online) learning, and practical learning in the laboratory is carried out face-to-face in full.
The Assessment of Science Process Skills in Biology Subject Lesson Plan Sheets Nur Fatrah Pakaya; Lilan Dama; Mustamin Ibrahim
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2877

Abstract

The purpose of this study was to find out the science process skills on the lesson plans for biology at SMA Negeri 1 Gorontalo. This research is a qualitative descriptive study to determine the existence of aspects of science process skills in lesson plans. This research data collection technique uses observation sheets and in-depth interviews. Data analysis includes data reduction, data presentation, drawing conclusions, and testing the validity of the data using the triangulation method. The primary data in this study were biology teachers in class XI, and the secondary data was obtained from notes or documentation in the form of odd semester biology lesson plans for class XI. The results of the study show that in the entire lesson plan which consists of 21 meetings, there are 3 formulations of science process skills in it, namely; observing skills, asking questions, and communicating skills. Other science process skills were obtained based on the results of the interviews conducted, namely classifying skills on the material of cells meeting 2, material of cells meeting 3, material on the structure and function of bones meeting 1, material on the structure and function of tissues in animals meeting 1, material on the structure and function of tissues on plants meeting 1, material on the structure and function of cells in the digestive system meeting 1, material on the structure and function of cells in the digestive system meeting 3, as well as material on the structure and function of the circulatory system meeting 1. Meanwhile, for all the science process skills studied lies in material membrane transport and nutrient assay.
Aktivitas antelmintik kulit buah Delima Merah (Punica granatum) dan jus buah Delima Merah (Punica granatum ) pada hewan coba kelinci Erna Kristinawati; Erlin Yustin Tatontos; Zainal Fikri; Urip Urip
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2901

Abstract

Traditional medicines from plants (herbs) are less effective due to inappropriate doses for treatment, but are relatively safe from side effects. The purpose of this study was to determine the anthelmintic activity of red pomegranate peel extract and red pomegranate juice in rabbits as experimental animals. This research is experimental research using Completely Randomized Design (CRD) and Post Test Only Control Design approach. The population for this study were rabbits (Orytolagus cuniculus), the sample for this study were 9 rabbits aged 4-5 months with a body weight of 1.5 kg - 2 kg which were divided into two treatment groups and one control group. The results of anthelmintic activity of red pomegranate peel extract (Punica granatum L) with a dose of 100 mg/ml an average activity of 43.01%, a dose of 150 mg/ml an average activity of 100% and a dose of 200 mg/ml an average activity of 50, 9%. The results of the anthelmintic activity of red pomegranate juice (Punica granatum L) with a dose of 1 ml / kg/BW an average activity of 100%, a dose of 5 ml / kg/BW an average activity of 91.67% and a dose of 10 ml /kg/ BW average activity 58.69%.
Correlation Among Rainfall, Humidity, and The El Niño-Southern Oscillation (ENSO) Phenomena in Bengkulu City During the Period from 1985-2020 Agam Wardani; Arya J Akbar; Lina Handayani; Ashar Muda Lubis
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2971

Abstract

A correlation analysis is needed to see the relations among the three variables, rainfall with El Niño-Southern Oscillation (ENSO) and Humidity with ENSO. The instability of rainfall and the decrease in the humidity in Bengkulu City can be affected by La Nina and El Nino phenomena. This research aimed to analyze the correlations among rainfall, humidity, and ENSO with Pearson correlation analysis. The rainfall and humidity data were collected from BMKG, and the ENSO data were obtained from NOAA PSL for the 1985-2020 period. The results of the correlation analysis of rainfall and ENSO for the last 35 years generally show a moderately strong correlation. However, a strong correlation in the La Nina phase specifically occurred in 1988-1989, 1998-1999, 1999-2000, 2007-2008 and 2010-2011 with values of 58.6, 40.1, 61.4, 96, 4, and 89.2%. Meanwhile, the correlation >80% (very strong) during the El Nino phase occurred in 1987, 1991-1992, 1997, 2015. The correlation analysis results of humidity and ENSO show little correlation in the La Nina phase of >70% (1988-1989, 1998-1999, 2010-2011) and the El Nino phase of <70% (1997, 2015, 2016). The humidity correlations with ENSO do not influence the humidity change in Bengkulu City. The decrease in the humidity in Bengkulu City can be affected by other factors, such as land use change to housing due to population growth in Bengkulu City.
Development of Project Based Learning with STEAM Approach Model Integrated Science Literacy in Improving Student Learning Outcomes Nuraini Nuraini; Indra Himayatul Asri; Nurul Fajri
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2987

Abstract

In preparing students who have the skills to respond to the challenges of the times and face the demands of 21st century learning, teachers need to develop students' science literacy and design learning in accordance with the characteristics and learning outcomes of students. The purpose of this study is to develop learning with PjBL with STEAM approach model integrated science literacy. Research is carried out through the stages of needs analysis, product design, product development, product implementation and evaluation. The research object was grade X students of SMAN 2 Selong totaling 35 students with 25 female students and 10 male students. Research instruments include needs analysis questionnaire guidelines, product validation guidelines, product practicality guidelines, teacher response guidelines and learning outcomes tests on ecosystem materials.  The collected data was analyzed using descriptive analysis.  Data analysis showed that the product developed was classified as valid with an average score of validation by 3 experts, namely linguists, material experts and learning technology experts respectively 83.91, 84.64 and 83.73.  The product is also classified as practical with an average practicality score of 82.63. The product is classified as effective with an effectiveness percentage of 88.57%. The developed product has high potential in improving student learning outcomes on ecosystem materials with an N-Gain of 0.76
Effectiveness of Differentiated Learning Materials Oriented toward Nature of Science to Improve Scientific Literacy Skills Hanifa Rachmah Kamila; Sari Edi Cahyaningrum; I Gusti Made Sanjaya
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.2995

Abstract

This research aimed to describe the effectiveness of differentiated learning materials oriented toward the nature of science (NoS) to improve students’ scientific literacy skills. The research type is quasi-experiment with one group pretest-posttest design. The research was given to 31 students in VIII-A class of Junior High School 16 Gresik. The effectiveness of differentiated learning materials oriented toward the nature of science (NoS) was obtained from the scientific literacy skills test and student response questionnaire. The student’s scientific literacy skills test showed an improvement in gain score between the pretest and posttest scores of 0.64, which is in the medium category; besides that, most students gave positive responses to the learning materials seen from the percentage of interest in learning materials 84.68% (very interested). The data obtained showed that differentiated learning materials oriented toward the nature of science were effective as learning materials to improve students’ scientific literacy skills in Merdeka Curriculum
Scaffolding with Peer Tutoring in the Teacher's Perspective: Could Its Implementation in Learning Programs Improve Scientific Communication Skills and HOTS Duwita Pangesti Putri; Tri Jalmo; Agus Suyatna
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3004

Abstract

This essay's purpose is to provide a summary the perceptions of science teachers towards scaffolding learning programs with peer tutoring in improving scientific communication skills and HOTS. This research was conducted in the province of Lampung, Indonesia, involving 74 middle school science teacher respondents. A mixed method with a sequential explanatory design was used for the study. Data were collected through interviews and surveys, and descriptive analysis was used to analyse the results. The survey findings indicate that science instructors have a favourable opinion of using scaffolding in conjunction with peer tutoring. The analysis's findings indicate that most instructors have not used peer tutoring and scaffolding in the classroom to help students advance from their current competencies to potential competencies. In addition, teachers also have not implemented scaffolding learning programs with peer tutoring.
Potential of Fruit and Vegetable Waste as Eco-enzyme Fertilizer for Plants Thanya Fadlilla; MTh Sri Budiastuti; MMA Retno Rosariastuti
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3010

Abstract

This study aims to determine the source of eco-enzyme raw materials and the most appropriate dilution volume to produce quality eco-enzyme fertilizer for plant growth. 1 (sugar): 3 (fruit and vegetable waste): 10 (water). The resulting eco-enzyme liquid is processed into fertilizer through the dilution process. Eco-enzyme fertilizers from each raw material source contain different organic N, P, K, and C nutrients. Besides that, some enzymes are beneficial to plants. This research is experimental in the laboratory. The experimental design was factorial design using a completely randomized design as the based design with the treatment of various sources of raw material for eco-enzyme E1 (fruit waste), E2 (vegetable waste), and E3 (fruit and vegetable waste). The parameters observed are N, P, K, and C Organic. The results showed that in terms of the quality of eco-enzyme fertilizers, the best order of eco-enzyme fertilizers was eco-enzyme fertilizer from vegetable waste (E2), eco-enzyme fertilizer from fruit and vegetable waste (E3), and eco-enzyme fertilizer from fruit waste (E1). Based on the NPK content in eco-enzyme fertilizer, eco-enzyme fertilizer is still below the quality standard for liquid organic fertilizer but the enzymes contained in eco-enzymes can also spur growth in plants.

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