Articles

Pertumbuhan dan Biomassa Albizia saponaria yang Diinokulasi Fungi Arbuskula Mikoriza Lokal Sulawesi Tenggara Tuheteru, Faisal Danu; Husna, Husna
Jurnal Silvikultur Tropika Vol 2, No 3 (2011): JURNAL SILVIKULTUR TROPIKA
Publisher : Jurnal Silvikultur Tropika

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Abstract

The study of effect of local AMF species from Southeast Sulawesi on A. saponaria was not yet conducted. The aim of this research was to know the effectiveness of local AMF species. A completely randomized design with three replications -1 was used in this research. The treatments tried were no inoculation of AMF (A), inoculated with AMF inoculum 10 g. polybag (B), and 20 g. -1 polybag (C). The seedling parameters observed were height, diameter, number of leaves, shoot biomass,  root  biomass,  total  biomass,  number  of  nodule  and  percentage  of  root  colonization.  Result  of  the  research showed that the application of AMF inoculum 10 g.-1 polybag (B) 20 g.-1 and polybag (C) tended to give the best effect on increasing all of the parameters observed compared of control treatment.
PENGUKURAN STABILITAS NATURAL REMANENT MAGNETIZATION (NRM) BATUAN VULKANIK GUNUNG MERAPI DI JAWA TENGAH Husna, Husna; Raul, Nurlaela; Bijaksana, Satria
Jurnal Sains Materi Indonesia VOL 3, NO 2: FEBRUARI 2002
Publisher : Center for Science & Technology of Advanced Material - National Nuclear Energy Agency of

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Abstract

PENGUKURAN STABILITAS NATURAL REMANENT MAGNETIZATION (NRM) BATUAN VULKANIK GUNUNG MERAPI DI JAWA TENGAH. Telah dilakukan kajian kemagnetan batuan pada daerah sekitar puncak Gunung Merapi. Penelitian ini berupa uji kestabilan Natural Remanent Magnetization (NRM) yang menggunakan l6 specimen yang diambil dari Pasar Bubar, Kali Gendol dan Kali Gendong. Pada penelitian ini dilakukan pengukuran intensitas dan arah NRM,dan proses demagnetisasi dengan menggunakan metoda Alternating Field Demagnetization. Hasil Pengukuran menunjukkan bahwa Pasar Bubar mempunyai intensitas rata-rata 2255,468 mA/meter dengan range deklinasi 32,8° - 6,5° dan inklinasinya -37,4° - 3,9°, Kali Gendol mempunyai intensitas rata-rata 2469,387 mA/meter dengan range deklinasi 356,1°- 11° dan inklinasinya -4,9°  - -0,1°, dan Kali Gendong mempunyai intensitas rata-rata 4139,062 mA/meter dengan range deklinasi 62,1° - 125,4° dan inkinasinya -0,8°- 35,2°. Uji kestabilan NRM ini melalui kurva intensitas, Plot stereonet, diagram Zijderveld dan Analisis Komponen Utama (MAD). Berdasarkan hasil tersebut dapat disimpulkan bahwa sampel Kali Gendol cukup stabil dan memenuhi syarat untuk digunakan dalam studi Paleomagnetik.
PENERAPAN STRATEGI PEMBELAJARAN AKTIF TIPE THE LEARNING CELL DALAM MENINGKATKAN PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMPN 11 PADANG Gustina, Widya; Husna, Husna; Pratiwi, Merina
Pendidikan Matematika Vol 2, No 1 (2013): Jurnal Mahasiswa Prodi Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research is introduction by the lack of the students’ understanding of mathematical concept and the mathematics learning activities by teacher center. This research is aims to determine  the implementation of active learning strategy type The Learning Cell in improving students’ understanding of mathematical concept class VIII SMPN 11 Padang. The type of research is experiment with random of subject. Population in this research is students class VIII SMPN 11 Padang who registered in academic year 2012/2013. The technique of sampling is random and selected class VIIIF as an experimental class and VIIIE as a control class. Instrument used was an essay test with a reliability test is 0,826. Based on the analysis of data obtained that the average student learning outcomes experimental class is greater than the control class. Hypothesis testing using one side of t-test with the MINITAB’S program, obtained P-value is less than α. The hypothesis is accepted at the 95% confidence level. Thus it can be concluded that the students’ understanding of mathematical concept with an active learning strategy type The Learning Cell is better than students’ understanding of mathematical concept by implementing conventional learning class VIII SMPN 11 Padang.
PENGARUH PENERAPAN STRATEGI PEMBELAJARAN AKTIF TIPE GIVING QUESTION AND GETTING ANSWER (GQGA) DISERTAI KUIS TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMP NEGERI 1 AMPEK NAGARI KABUPATEN AGAM Sari, Indah Permata; Rismen, Sefna; Husna, Husna
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research was motivated by the lack of understanding of students’ mathematical concepts and students are not accustomed to propose their ideas. This study aims to determine whether students’ understanding of mathematical concepts by applying active learning strategies Giving Question and Getting Answer (GQGA) type accompanied quiz is better than students’ understanding of mathematical concepts using conventional learning in class VIII SMP Negeri 1 Ampek Nagari Agam. This type of research is an experimental research based on the Subject with a Random design. The study population was a class VIII student SMP Negeri 1 Ampek Nagari Agam consisting of three classes. The sample was VIII1 grade students as the experimental class and VIII3 the control class. The research instrument was a quiz and final test in the form of essays. The data obtained were analyzed using t-test of the parties with the help of software MINITAB. Based on the test results obtained by the hypothesis P-value of 0.005 , then the hypothesis in this study received. It can be concluded that the students’ understanding of mathematical concepts by applying active learning strategies Giving Question and Getting Answer (GQGA) type quiz is better than students’ understanding of mathematical concepts applied on conventional learning in class VIII SMP Negeri 1 Ampek Nagari Agam.
PENGARUH PENERAPAN STRATEGI BELAJAR AKTIF TIPE GIVING QUESTION AND GETTING ANSWER (GQGA) TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS XII IPS SMA NEGERI 16 PADANG TAHUN PELAJARAN 2013/2014 Ningsih, Selvia Rahayu; Rahmi, Rahmi; Husna, Husna
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research is done due to the fact that most of students do not dare to ask about learning material, in oral ways, which is not understood so that students become less active and lack of mastering mathematical concept. This study is aimed to determine how students learning activities are done and to find out whether the understanding of students’ mathematical concept become better by using active learning strategy “Giving Questions and Getting Answers (GQGA)” than the conventional ones. The type of this research is experimental research; with the design of the research is Randomized Subject. The population of this research is students of grade XII Social Science at SMAN 16 Padang which consist of four classes. In determining the experimental class and the control class, researcher chooses it randomly, so that XII Social Science 1 is chosen as experimental class, and XII Social Science 2 as control class. The instruments that are used in this study are students’ activity observation sheet and the test of students’ understanding for mathematical concept. Based on the result of the study, it is found that implementing active learning strategy “Giving Questions and Getting Answers (GQGA) have increasing percentage in each meeting. The result of analysis data find out that two sample classes   normal distributed and homogenous at the level of α = 0,05 and the result of t test is obtained P-value = 0,020, smaller than α = 0,05, so that hypothesis is approved.
PENGARUH PENERAPAN METODE SQ3R DISERTAI LEMBAR KEGIATAN SISWA (LKS) TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMP NEGERI 11 PADANG Agusri, Melsa; Husna, Husna; Harisman, Yulyanti
Pendidikan Matematika Vol 2, No 1 (2013): Jurnal Mahasiswa Prodi Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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The research was by student compherension of math concept at still low in class VIII SMP Negeri 11 Padang. This matter is caused by activity read which is conducted by student in study less maximal as preparation learn and lack of active participation of student in study. This research aim to know what is compherension of math concept of student by applying method of SQ3R accompanied by Student Work Sheet (LKS) from at compherension of math concept of student by applying conventional study at class student of VIII SMP Country 11 Padang. This research type is research of experiment with device of random to subjek. Result of analysis of tes final at this research is obtained by data have homogeneous and normal distribution.Result of final tes of student conducted by hypothesis by obtaining P-value 0,010 and less than  that is 0,05 so that raised to be hypothesis to be accepted by at trust level 95% that is compherension of math concept of student by applying method of SQ3R accompanied by Student Work Sheet (LKS) from at compherension of math concept of student by applying conventional study of class of VIII SMP Country 11 Padang.
PENERAPAN STRATEGI PEMBELAJARAN AKTIF TIPE INDEX CARD MATCH (ICM) TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII MTsTI BATANG KABUNG PADANG TAHUN PELAJARAN 2013/ 2014 Fauziyah, Yossy; Husna, Husna; Febriana, Rina
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research is motivated because of low grade of the student’s inability of solving a different problem with example and to undersatand the mathematical concepts of 8th grade students of MTsTI Batang Kabung Padang. The research purpose to determine whether student’s understanding of mathematical concepts through the application of active learning strategies by using Index Card Match type is better than the student’s understanding od mathematical concepts by using conventional learning in class VIII MTsTI Batang Kabung Padang Acedemic Year 2013/ 2014. This type of research is experimental research of experimental studies Against Random Subjects. Analysis technique use the one party t test by using MINITAB. Based on the analysis of data obtained P-value is  smaller than , so it can be concluded that student’s understanding of mathematical concept using active learning strategies Index Card Match type is better than the students understanding of mathematical conceps by using conventional learning in class VIII MTsTI Batang Kabung Padang.
PENGARUH PENERAPAN TEKNIK BISNIS BERISIKO TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS IX SMPN 25 PADANG TAHUN PELAJARAN 2013/2014 Mariska, Widya; Rismen, Sefna; Husna, Husna
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research is motivated by the students math concept comprehension and a sense of responsibility of the student’s exercises are still low. The aims of this research to look at how the development of student’s activity by applying Teknik Bisnis Berisiko to determine whether students math concept comprehensionby applying Teknik Bisnis Beresiko is better than student math concept comprehension by applying conventional learning. The type of research is experimental, population is all student in grade IX SMPN 25 Padang school year 2013/2014. Technique that is used is random sampling. The instrument used in this research was the observation sheet and final test math concept comprehension. Data analysis activities performed byc alculating the percentage of students, the results showed that the students activity has increased. The result of Hypothesis test by using t-test one part with the Minitab Software obtained t>tα. It means that the hypothesis in this research is accept, so it can be concluded that the students math concept comprehension by applying Teknik Bisnis Berisiko is better than the students math concept comprehension by applying conventional learning class IX SMPN 25 Padang school year 2013/2014 .
PENGARUH PENERAPAN METODE PEMBELAJARAN COURSE REVIEW HOREY DISERTAI KUIS TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMPN 1 BAYANG TAHUN PELAJARAN 2013/2014 Rahmadani, Firanda; Husna, Husna; Aima, Zulfitri
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research is motivated by the low understanding of mathematical concepts grade 8 students in SMPN 1 Bayang. This study aims to determine the development of student’s understanding of mathematical concept by applying instructional method of course review horey accompanied quiz. And to determine whether the student’s understanding of mathematical concept trough course review horey accompanied quiz better than the student’s understanding of mathematical concepts with conventional learning to grade 8 students of SMPN 1 Bayang.This type of research is experimental. The population is all students grade 8 at SMPN 1 Bayang in 2013/2014. Technique of taking sampling is taken randomly which is elected VIII.4 as experimental class and class VIII.2 as control class. The instruments used were the quizzes and final test indicators of understanding the concept. Form used was an essay test with a reliability of 0,75. Based on the analysis of data on student’s understanding of mathematical concepts in the experimental class gained an average of the quizzes : 1st quis is 79, 2nd is 81,80, 3rd is 79,48 and 4th is 75,77. Hypothesis testing uses t-test of the parties, obtained 0,007 P-value less than α=0,05 significance level, the hypothesis is accept. It can be concluded that the student’s understanding of the concept by applying the method mathematical learning of course review horey which is accompanied with quiz better than the student’s understanding of mathematical concepts by applying the conventional learning at grade 8 SMPN 1 Bayang.
PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE PAIR CHECK TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS XI IPS SMAN 1 BAYANG UTARA TAHUN PELAJARAN 2013/2014 Yuliasari, Nelvi; Husna, Husna; Aima, Zulfitri
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research was stimulated by the background of lower comprehension of student’s to mathematic subject that can be seen in semester II at the class X SMAN 1 Bayang Utara. This research aim to know whatever the mathematic concept of students’ comprehension through the implementation of cooperative teaching model of Pair Check was better than conventional teaching model. The type of this research was experimental research. Population of this research was the student at the class XI IPS SMAN 1 Bayang Utara period 2013/2014 consisted two classes. Technique of taking sample was done randomly by selecting the classes was XI IPS.1 as experimental class and class was XI IPS.2 as control class. This research used instrument of final test about the student’s understanding of mathematic concept. The form of test used essay by reliability test score  = 0,90. Technique of data analysis used t-test. Based on the data analysis showed that both class samples have homogeny and normal distribution. The result of hypothesis P-value = 0,033 <  = 0,05. Thus the hypothesis in this research was accepted. Therefore can be concluded that the students’ comprehention about mathematic concept by using cooperative teaching model type of Pair Check was better than students’ comprehention of math concept by using conventional teaching model toward student at the class XI IPS SMAN 1 Bayang Utara period 2013/2014 with the confidence level 95%.