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PENGARUH PENERAPAN HANDOUT BERMUATAN KECERDASAN KOMPREHENSIF MENGGUNAKAN MODEL PEMBELAJARAN INKUIRI UNTUK MENINGKATKAN KOMPETENSI FISIKA SISWA DI SMAN 1 Rahma Fikri Nuradi; Mahrizal Mahrizal; Zulhendri Kamus
PILLAR OF PHYSICS EDUCATION Vol 7 (2016)
Publisher : Universitas Negeri Padang

This research is conducted because of the low competence of Physics students. One of factor causes this problem that the using of learning materials, have not contributed to achieve all competencies namely knowledge, spiritual attitudes, social attitudes, and skills. The purpose of research is to determine the effect of applying a comprehensive intelligence handout in inquiry learning model to improve the competence of Physics students at SMAN 1 Padang. The type research is a quasi-experimental (Quasi Experiment) with Randomized Control Group Only Design. The population was all students of class X MIA SMAN 1 Padang enrolled in the Academic Year 2015/2016. Sampling was done by cluster random sampling. Samples were class X MIA1 as an experimental class and class X MIA 9 as the control class. The data include knowledge, spiritual attitudes, social attitudes, and skills competences. The research instrument are achievement test for knowledge, observation sheet spiritual attitudes and social attitudes, and the rubric for the skill. Data analyzed using (t test) with significant 0.05. The results of research is that "There is a meaningful impact of the implementation a comprehensive intelligence handout in inquiry learning model to improve the competence of Physics students at SMAN 1 Padang for of knowledge, attitude, spiritual, social attitudes, and skills significancy of 0.05

PENGARUH PENERAPAN LKPD BERORIENTASI PENDEKATAN BRAIN BASED LEARNING (BBL) TERHADAP PENCAPAIAN KOMPETENSI IPA PESERTA DIDIK KELAS VIII SMP NEGERI 1 KOTA SOLOK Sri Ayu Wahyuni; Mahrizal Mahrizal; Letmi Dwiridal
PILLAR OF PHYSICS EDUCATION Vol 8 (2016)
Publisher : Universitas Negeri Padang

One of the factors that lead to the low science competencies of students is the use of Student Worksheet (LKPD) that do not support the achievement of competencies, from the aspect of spiritual, attitudes, knowledge, and skills. The purpose of this study is to determine the application effect of LKPD oriented with Brain Based Learning (BBL) approach to the achievement of science competency of the VIII grade students in SMP Negeri 1 Solok. This study is a Quasy Experimental Research with a randomized control group only design. The study population was all students of VIII grade in SMP Negeri 1 Solok listed in the Academic Year 2015/2016. Sampling was done by purposive sampling technique. Data from this study include the achievement of spiritual attitudes, social attitudes, knowledge, and skills competencies. The research instrument is observation sheet for spiritual and social attitudes competence, written test for knowledge competence, and performance assessment for competence skills. Data were analyzed using Chi Square test at the real level of 0.05 for the spiritual aspects of attitudes, social, knowledge, and skills. The result of data analysis of student competencies in spiritual attitudes, social attitudes, knowledge, and performance skills competencies of the experimental class are 78,07; 76,55; 76,32; and 79,70; while the control class are 76,50; 74,40; 71,94; and 77,30. The data showed that the experimental group had a higher level of competence than the control class. Chi Square test results obtained contingency coefficient C for competence spiritual attitudes, social, knowledge, and skills of each 0,062, 0,287, 0,292 dan 0,031. From these results it can be argued that the application effect of LKPD oriented with Brain Based Learning (BBL) approach has significant impact on the Achievement of Science Competency of the VIII Grade Students in SMP Negeri 1 Solok on social attitudes, knowledge, and skills competencies. While on the spiritual attitude competence, the LKPD oriented with Brain Based Learning (BBL) approach is not optimal to give effect to the achievement of Science Competency of the VIII Grade Students in SMP Negeri 1 Solok.

PENGARUH PENERAPAN LEMBAR KEGIATAN SISWA BERMUATAN KECERDASAN KOMPREHENSIF MENGGUNAKAN MODEL PEMBELAJARAN INKUIRI TERHADAP PENINGKATAN KOMPETENSI FISIKA SISWA KELAS X SMAN 4 PADANG Suliati Suliati; Mahrizal Mahrizal; Zulhendri Kamus
PILLAR OF PHYSICS EDUCATION Vol 7 (2016)
Publisher : Universitas Negeri Padang

The Competence has not been achieved optimally because of learning activity has not been dominated by students, learning model used was not able yet to guide students in scientific study. Learning sources used by the students were still dominated by materials which improve the competence of knowledge. The purpose of this research was to investigate the effect of applying students worksheet contains comprehensive intelligence with inquiry learning model towards the improvement of competence of physics students grade X at SMAN 4 Padang. It was a Quasi-experimental research with Randomized Control Group Only Design. The population were the students grade X at SMAN 4 Padang who were registered in the Academic Year of 2015/2016, and the sample was taken by using Purposive Sampling technique. The instruments were written test for competence of knowledge, observation sheet for competence of spiritual and social, performance assessment rubric for competence of skill. The competence of knowledge data were analyzed by using t-test, product moment correlation and regression analysis. Competence of spiritual, social and skills were analyzed by using t-test. The results of data analysis showed significant differences between both of sample classes. Differences in competence of knowledge were 63.96% influenced by the implementation of a worksheet contains comprehensive intelligence and the remaining were 36.04% influenced by other factors. It can be concluded that there is a significant impact on the implementation of a worksheet contains comprehensive intelligence by using inquiry learning model towards the improvement of competence of Physics students grade X at SMAN 4 Padang

PENGARUH PENERAPAN MODEL PEMBELAJARAN GUIDED DISCOVERY TERHADAP PENCAPAIAN KOMPETENSI IPA TERPADU PESERTA DIDIK KELAS VIII SMPN 30 PADANG Monika Putri; Mahrizal Mahrizal; Nurhayati Nurhayati
PILLAR OF PHYSICS EDUCATION Vol 7 (2016)
Publisher : Universitas Negeri Padang

Factors that cause the low learning outcomes of integrated science are learning model used. Factors that useful to improve the competence of attitude, knowledge and skills. The purposes of this study was to determine differences in the achievement of the integrated IPA competence of learners between guided discovery learning model with a nuanced conventional scientific approach. This type of research is Quasi Experiment Research and design research that only randomized control group design. Population of this research was all students from grade VIII in junior high school 30 Padang registered on 2015/2016. Population based sampling technique is purposive sampling and cluster sampling. Data collection technique to aspects of knowledge that is a written test or tes objective, for the attitude aspects is the observation sheet and to aspects of that assessment skills to work. This study shows that control class. Thus the results of this study stated there are differences in the achievement of the integrated science competence among learners using guided discovery learning and nuances of the conventional scientific approach to grade VIII in junior high school 30 Padang

PENERAPAN STRATEGI PEMBELAJARAN KONTEKSTUAL BERBASIS GAYA BELAJAR VAK (VISUAL, AUDITORI, KINESTETIK) TERHADAPA PENCAPAIAN KOMPETENSI SISWA KELAS VII SMP NEGERI 34 PADANG Wahda Salamah; Mahrizal Mahrizal; Ramli Ramli
PILLAR OF PHYSICS EDUCATION Vol 8 (2016)
Publisher : Universitas Negeri Padang

Every student has learning styles for receive information, but it tend at one of learning styles. The teacher should be using the student’s learning style with learning strategies. The background of this research is lack of implementation of learning strategies. The solution to solve this problem is to implement contextual learning strategy based VAK learning styles (Visual, Auditory, Kinesthetic). The population of this research is all students in grade VII at SMPN 34 Padang of academic year 2015/2016. The sample of this research use purposive sampling. Data of this reseach is the competence of science students as competence attitudes, knowledge and skill. The instrument this research is written test, observation sheet and performance assessment sheet. Data analysis on the competense of khowledge, spiritual, social and skill use equality test two averages with t’ is 3,8186; 2,224; 3,3987; 3,316 while for ttable is 2,0792; 6,575; 5,0372; 1,593. based on the hypothesis is concluded that there are significant means the implementation of contextual learning strategy based VAK learning styles (Visual, Auditory, Kinesthetic) on achievement of the knowledge and skills competence of students in grade VII at SMPN 34 Padang and there is no influence means the implementation of contextual learning strategy based VAK learning styles (Visual, Auditory, Kinesthetic) on achievement of the spiritual and skill competence of students in grade VII at SMPN 34 Padang

PEMBUATAN LEMBAR KERJA PESERTA DIDIK (LKPD) FISIKA SMA KELAS X BERORIENTASI STRATEGI PEMECAHAN MASALAH IDEAL Syafwan Syafwan; Mahrizal Mahrizal; Zulhendri Kamus
PILLAR OF PHYSICS EDUCATION Vol 8 (2016)
Publisher : Universitas Negeri Padang

Teachers need some supporting elements to achieve goals of learning process such as teaching materials and learning strategy. In fact, several units such as the scope, procedure, and focus of teaching materials for each unit still needed to be developed. This research was expected to contribute for increasing students’ competence. One of the supporting elements was students’ Physics worksheet (LKPD) of Senior High School grade X which oriented on IDEAL problem solving strategy. This strategy consisted of five steps, such as identify the problem, define the problem, explore solution, act on the strategy, look back and evaluate the effect (IDEAL). The type of this research was research and development with four-D model which was define, design, develops and disseminate steps. The research was conducted until develop step because disseminate step had some limitedness. The product of this research was examined for validity, practicality, and effectiveness. Validity test was conducted by Drs. Asrul, M.A, Drs. Gusnedi, M.Si, Dra. Murtiani, M.Pd, Drs. Amali Putra, M.Pd and Drs. Masril, M.Si, as Physics Lectures at State University of Padang. After validated by lecturers, the product was applied at X Science 2 at SMAN 1 Padang to determine its practicality and effectiveness. Practicality test was conducted by 3 teachers and 21 students of SMAN 1 Padang using questioners. Based on data analysis, there were three research results. First, LKPD of Senior High School grade X which oriented on IDEAL problem solving strategy was very valid with 82.58. Second, the results of limited applying showed that LKPD of Senior High School grade X which oriented on IDEAL problem solving strategy was very practical with 80, 02 and effective used in teaching learning process. Third, the students’ knowledge competence was increased

PENGARUH PENERAPAN LEMBAR KERJA SISWA BERBASIS TANDUR TERHADAP PENCAPAIAN KOMPETENSI IPA SISWA KELAS VII SMPN 30 PADANG Windy Putri Chania; Mahrizal Mahrizal; Zulhendri Kamus
PILLAR OF PHYSICS EDUCATION Vol 8 (2016)
Publisher : Universitas Negeri Padang

The still student achievement of competence IPA is caused by several factors, such as the learning process is teachers center, students grade in the learning process is a talk and worksheets have not been able to motivate students to learn. This grade aims to determine the effect of applying Student Worksheet TANDUR based on the achievement of competence IPA seventh grade students of SMPN 30 Padang.This research is a quasi-experimental research and the grade design used is randomizes Only Control Group Design. The population of this grade were all students of class VII semester of 2 in SMPN 30 Padang in the academic year 2015/2016. Sampling was done by using purposive sampling and cluster random sampling. The sample in this research is class VII-1 as the control class and VII-2 as a class experiment. The instrument used in this grade is the observation sheet to assess the competence Attitude Attitude, Knowledge written test for competence and scoring rubrics for skills competency. Data analysis technique used is the test hypotheses about the equality of two average and regression and correlation.The results of the data analysis is based on research that has been done shows the average value of the competence Knowledge, Attitudes and Skills in a row from the experimental class, namely: 83.750; 76.132; and 78.684. Control classes, namely: 79.044; 73.456; and 77.132. From the test results of the equality of two average on knowledge gained competence t count = 2.136 and t table = 1,998; the attitude of competence obtained t count = 2.284 and t table = 1.998; Skills and competencies obtained t count = 2.505 and t table = 1.998. In all three of these competencies obtained t count > t table, then t is outside the reception area of Ho, so Hi be accepted.Level relationship LKS value with the value of competence Knowledge is strong enough, and the effect of LKS at 30.82%. It can be concluded that the application of the Student Worksheet Based TANDUR provide significant impact on the real level of 0.05 against the Learning Outcomes Science Class VII SMPN 30 Padang on Competence Attitude, Knowledge and Skills

PENGARUH PENERAPAN MEDIA POSTER DALAM PROJECT BASED LEARNING TERHADAP HASIL BELAJAR FISIKA SISWA KELAS X SMAN 5 PADANG Almutia Lima; Mahrizal Mahrizal; Hidayati Hidayati
PILLAR OF PHYSICS EDUCATION Vol 5 (2015)
Publisher : Universitas Negeri Padang

Learning outcomes optimal not yet, this is caused by lack of interest and active student in learning process, so the teacher should cermat choose the media and learning model to support the learning process. To increase interest and activity students, the teacher can apply poster media in Project Based Learning. The type this research is Quasi Exsperiment research with Randomized Control Group Only Design. The population in this research all of the students of SMAN 5 Padang in the first semester of academic year 2014/2015. Sample is determined by purposive sampling technique. The data of the research are the students learning outcomes in the domains of cognitive, affective, and phychomotor. The result of this research show that the mean of students learning outcomes of the experimental class is higher than the control class in three domains. Based on the data analysis result, it is gotten that three is significance different learning outcomes between experiment and control class at 005 sognificance level, so can conclude using poster in Project Based Learning influence students of SMAN 5 Padang learning outcomes

Supply Chain Strategy for World Price of Crude Palm Oil and Its Production on Palm Oil Marketing Margins in Indonesia: An Application of Pairwise Granger Causality Syahril Syahril; Jumadil Saputra; Alisman Alisman; Affandi Affandi; Helmi Noviar; Rollis Juliansyah; Mahrizal Mahrizal
International Journal of Supply Chain Management Vol 9, No 1 (2020): International Journal of Supply Chain Management (IJSCM)
Publisher : International Journal of Supply Chain Management

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Abstract- This study aims to examine the supply chain strategy in causal relationship between world CPO price causality, production and marketing margin price using the Granger causality approach in the period January 2006-December 2017. This research proves that: (i) The results of the bivariate causality test explain that Indonesian CPO production has a single causality direction with world CPO prices. (ii) The results of the impulse response function and variance decomposition explain that the shock of the marketing margin variable gives a fluctuating response to fluctuations in world CPO prices, but the response is always positively given by the shock marketing margin in response to changes experienced by the variable world CPO prices. The results of this study are efforts to increase the price of CPO in the country by encouraging the development of palm oil derivative industries in increasing derivatives of high economic value products.

ANALISIS PENDAPATAN USAHATANI PADI DI DESA BLANG DALAM KECAMATAN DARUL HIKMAH KABUPATEN ACEH JAYA Surya Ningsih; Agustiar Agustiar; Mahrizal Mahrizal
Agros Journal of Agriculture Science Vol 25, No 3 (2023): edisi Juli
Publisher : Fakultas Pertanian, Universitas Janabadra

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This study aims to determine the consumers of rice farmers in Blang Dalam Village, Darul Hikmah District, Aceh Jaya Regency. The results showed that the total cost of farming during the period of one planting season to harvest was IDR 447.494.225 mt-1, an average of IDR 13.308.378 ha-1mt-1. Rice ushatani revenues amounted to IDR 849,645,000 mt-1, an average of IDR 25,268,253 ha-1mt-1. Rice farming income is IDR 402.150.775 mt-1, an average of IDR 11.959.874 ha-1mt-1. The value of R/C ratio for rice farming is 1.91 ha-1mt-1 which is 1 greater, meaning that rice farming is feasible because the income received by farmers is greater than the cost.INTISARI Penelitian ini bertujuan untuk mengetahui pendapatan petani padi di Desa Blang Dalam Kecamatan Darul Hikmah Kabupaten Aceh Jaya. Hasil penelitian menunjukkan total biaya usahatani selama periode satu kali musim tanam hingga panen sebesar Rp 447.494.225 mt-1, rata-rata sebesar Rp 13.308.378 ha-1mt-1. Penerimaan ushatani padi sebesar Rp 849.645.000 mt-1, rata-rata sebesar Rp 25.268.253 ha-1mt-1. Pendapatan usahatani padi sebesar Rp 402.150.775 mt-1, rata-rata sebesar Rp 11.959.874 ha-1mt-1. Nilai R/C Ratio usahatani padi sebesar 1,90 ha-1mt-1 lebih besar 1, artinya usahatani padi layak dijalankan karena penerimaan diterima petani lebih besar dari total biaya yang dikeluarkan.

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