Pengaruh Ekstrak Bunga Cengkeh (Syzygium Aromaticum) terhadap Zona Hambat Jamur Tricophyton Rubrum

2017 ◽  
Vol 1 (1) ◽  
pp. 26
Author(s):  
Etiek Nurhayati ◽  
Kuswiyanto Kuswiyanto ◽  
Karta Pilo
Keyword(s):  
Skin Diseases ◽  
Trichophyton Rubrum ◽  
Sampling Technique ◽  
Inhibition Zone ◽  
Diffusion Method ◽  
Syzygium Aromaticum ◽  
Purposive Sampling ◽  
Flower Extract ◽  
Tinea Barbae ◽  
Quasi Experimental

Abstract: Clove flower (Syzygium aromaticum) is one type of traditional medicine. The active substance in clove flower is used as antimicrobial and cure skin diseases caused by Trichophyton rubrum fungus such as Tinea capitis, Tinea barbae and Tinea corporis. This study was aimed to determine the effect of various concentrations of clove flower extract (Syzygium aromaticum) with Trichophyton rubrum inhibition zone by the diffusion method. The method of this research was quasi-experimental. Sampling technique by purposive sampling. The sample used was n-hexane extract of clove flower obtained from maceration process made in 9 concentrations and dilution was done by using dimethyl sulfoxide 15%. Each consisted of clove flower extract with concentrations of 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80% and 90%. The influence test using disc method or diffusion method then analyzed with Linear Regression Test. Based on the result of research from 9 concentrations, it can be seen that the widest obstacle zone was 11 mm at 10% concentration whereas the widest zone of resistance was 40 mm at 90% concentration. Statistical analysis showed the results (p = 0,000 <a 0.005) so it can be concluded there was the effect of various concentrations of clove flower extract (Syzygium aromaticum) to Trichophyton rubrum inhibition zone by the diffusion methodAbstrak: Bunga cengkeh (Syzygium aromaticum) merupakan salah satu jenis obat tradisional. Zat aktif dalam bunga cengkeh digunakan sebagai antimikroba dan menyembuhkan penyakit kulit yang disebabkan oleh jamur Trichophyton rubrum seperti Tinea kapitis, Tinea barbae dan Tinea korporis. Penelitian ini bertujuan mengetahui pengaruh berbagai konsentrasi ekstrak bunga cengkeh (Syzygium aromaticum) terhadap zona hambat jamur Trichophyton rubrum dengan metode difusi. Metode penelitian ini adalah eksperimental semu. Teknik pengambilan sampel dengan cara purposive sampling. Sampel yang digunakan adalah ekstrak n-heksana bunga cengkeh diperoleh dari proses maserasi yang dibuat dalam 9 konsentrasi dan dilakukan pengenceran menggunakan dimetil sulfoksida 15%. Masing-masing terdiri atas ekstrak bunga cengkeh dengan konsentrasi 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80% dan 90% . Uji pengaruh menggunakan metode cakram atau metode difusi kemudian dianalisis menggunakan uji Regresi Linier. Berdasarkan hasil penelitian dari 9 konsentrasi dapat diketahui bahwa luas zona hambatan yang terendah yaitu 11 mm pada konsentrasi 10% sedangkan luas zona hambatan yang tertinggi yaitu 40 mm pada konsentrasi 90%. Analisis statistik menunjukkan hasil (p = 0,000 < a 0,005) sehingga dapat disimpulkan terdapat pengaruh berbagai konsentrasi ekstrak bunga cengkeh (Syzygium aromaticum) terhadap zona hambat jamur Trichophyton rubrum dengan metode difusi.

scholarly journals Uji Aktivitas Ekstrak Etanolik Daun Kemangi (Ocimum sanctum L.) terhadap Staphylococcus aureus secara In Vitr

2020 ◽  
Vol 7 (1) ◽  
pp. 107
Author(s):  
Novia Ariani ◽  
Dwi Rizki Febrianti ◽  
Rakhmadhan Niah
Keyword(s):  
Staphylococcus Aureus ◽  
Sampling Technique ◽  
Ethanol Extract ◽  
Average Diameter ◽  
Inhibition Zone ◽  
Negative Control ◽  
Diffusion Method ◽  
Ocimum Sanctum ◽  
Purposive Sampling ◽  
Extract Concentration

ABSTRAK Tanaman kemangi banyak dimanfaatkan oleh masyarakat untuk pengobatan infeksi khususnya bagian daun. Hal ini dikarenakan daun kemangi memiliki senyawa aktif seperti minyak atsiri, alkaloid, saponin, flavonoid, triterpenoid, steroid, tannin dan fenol yang dapat menghambat pertumbuhan bakteri. Tujuan penelitian ini dilakukan untuk mengetahui ada tidaknya aktivitas, mengetahui diameter zona hambat dan mengetahui klasifikasi kekuatan aktivitas daya hambat antibakteri ekstrak etanol daun kemangi. Jenis penelitian ini adalah penelitian eksperimental dengan metode difusi lubang sumuran dengan teknik pengambilan sampel adalah purposive sampling.  Konsentrasi ekstrak yang digunakan yaitu konsentrasi 100%, 80%, 60%, 40%, 20%, sedangkan untuk kontrol positif digunakan klindamisin 30µg, dan kontrol negatif yang digunakan etanol 96%. Hasil diameter zona hambat yang terbentuk diukur dengan jangka sorong. Hasil penelitian menunjukkan bahwa ekstrak etanol daun kemangi memiliki aktivitas dalam menghambat pertumbuhan bakteri Staphylococcus aureus dengan diameter rata-rata yang didapat dari setiap perlakuan yaitu 100% (10,08 mm), 80% (8,10 mm), 60% (6,49 mm), 40% (4,29 mm), 20% (2,26 mm), dan sebagai klasifikasi kekuatan aktivitas daya hambat antibakteri yaitu pada konsentrasi 100% kuat, 80%-60% sedang dan 40%-20% lemah. Kata Kunci : Daun kemangi, Ekstrak, Difusi, Staphylooccus aureus  ABSTRACT Part of the basil plant (Ocimum sanctum L.) that widely used by people for treatment of infections is basil leaves. This is because basil leaves have active compounds such as essential oils, alkaloids, saponins, flavonoids, triterpenoids, steroids, tannins and phenols which can inhibit bacterial growth. This research aimed to find out the presence or absence of activity, to determine the diameter of the inhibitory zone and the classification of antibacterial mention against what the name of bacterial is activity of ethanol extract of basil leaves. The type of this research is experimental research with a well diffusion method with sampling technique is purposive sampling. The concentration of extracts used were concentrations of 100%, 80%, 60%, 40%, 20%, while as positive control is  clindamycin 30µg, and the negative control used 96% ethanol. The resulting diameter of the inhibition zone is measured by the calipers.  The results showed that the ethanol extract of basil leaves had an activity in inhibiting the growth of Staphylococcus aureus bacteria with an average diameter obtained from each treatment that was 100% (10,08mm); 80% (8,10mm); 60% (6,49mm); 40% (4,29mm); 20% (2,26mm), and as the antibacterial activity classification, that were strong in 100% of extract concentration, medium in 60-80% of extract concentration, and weak in 20-40% of extract concentration. Keywords : Basil leaf, Extract, Diffusion, Staphylooccus aureus

scholarly journals Perbedaan Perasan dan Rebusan Daun Cengkodok (Melastoma malabathricum L.) dalam Menghambat Pertumbuhan Jamur Trichophyton rubrum

2019 ◽  
Vol 2 (2) ◽  
pp. 76
Author(s):  
Mardiana Mardiana ◽  
Etiek Nurhayati ◽  
Supriyanto Supriyanto
Keyword(s):  
Skin Diseases ◽  
Trichophyton Rubrum ◽  
Sampling Technique ◽  
Potato Dextrose Agar ◽  
T Test ◽  
P Value ◽  
Average Growth ◽  
Purposive Sampling ◽  
Melastoma Malabathricum ◽  
Quasi Experiment

Abstract: Cengkodok leaves (Melastoma malabtahricum L.) is one of plant that has usefulness like medicine and has the potential to be researched. One of the usefulness of treating skin diseases caused by Trichophyton rubrum fungus. The research aims to determine the defference of juice and boiled of cengkodok leaves (Melastoma malabathricum L.) in inhibiting the growth of Trichophyton rubrum fungus. Each treatment of juice and stew has concentrations of 10%, 20%, 30%, 40%, 50%, 60%,70%, 80%, 90%, 100%. The research method is a quasi experiment, sampling technique by purposive sampling, and use method of solid dilution using PDA (Potato Dextrose Agar) with 3 replications. The results of the research on the juiced treatment that concentration of 10% have an average growth 261 CFU. The higher concentration of antifungi ingredients then the number of fungal colonies growth decreases until concentration of 100% have an average growth 12 CFU. The 10% concentration boiled treatment there was an average growth of 205 CFU and the number of fungal colonies growth decreases at concentration of 100% have an average growth 1 CFU. Effective concentration of cengkodok leaves juiced (Melastoma malabathricum L.) starts from concentration of 60% with inhibiting Trichophyton rubrum growth fungus 52,77% and boiled start from concentration 50% with percentage of inhibiting 59,41%. The data obtained were analyzed statistically using independent t test obtained p value (Sig. 2 tailed) 0.116 > 0.05. The results showed no difference between the juice and boiled of Cengkodok leaves (Melastoma malabathricum L.) in inhibiting Trichophyton rubrum fungus.Abstrak: Daun cengkodok (Melastoma malabathricum L.) merupakan tumbuhan berkhasiat obat, salah satu khasiatnya yakni mengobati penyakit kulit yang diakibatkan oleh Jamur Trichophyton rubrum. Penelitian ini bertujuan untuk mengetahui perbedaan perasan dan rebusan daun cengkodok (Melastoma malabathricum L.) dalam menghambat pertumbuhan jamur Trichophyton rubrum. Masing-masing perlakuan memiliki konsentrasi 10%, 20%, 30%, 40%, 50%, 60%,70%, 80%, 90%, 100%. Metode penelitian ini adalah Quasi Experiment, teknik pengambilan sampel dengan cara purposive sampling, dan menggunakan metode dilusi padat menggunakan media PDA (Potato Dextrose Agar) dengan 3 replikasi. Hasil penelitian pada perlakuan perasan konsentrasi 10% terdapat rata-rata pertumbuhan jumlah koloni jamur yakni 261 CFU. Semakin tinggi konsentrasi bahan antifungi maka jumlah pertumbuhan koloni jamur semakin berkurang hingga pada konsentrasi 100% terdapat rata-rata jumlah koloni jamur yakni 12 CFU. Pada perlakuan rebusan konsentrasi 10% terdapat rata-rata pertumbuhan jumlah koloni jamur yakni 205 CFU dan semakin berkurang jumlah pertumbuhan koloni jamur pada konsentrasi 100% sebesar 1 CFU. Konsentrasi efektif perasan daun cengkodok (Melastoma malabathricum L.) dimulai dari konsentrasi 60% dengan hambatan pertumbuhan jamur Trichophyton rubrum sebesar 52.77% dan rebusan dimulai dari konsentrasi 50% dengan persentase hambatan 59.41%. Dianalisis statistik menggunakan uji independent t test didapatkan hasil p value (Sig. 2 tailed) 0.116 > 0.05 yang menunjukkan tidak terdapat perbedaan antara perasan dan rebusan daun cengkodok (Melastoma malabathricum L.) dalam menghambat jamur Trichophyton rubrum.

scholarly journals The Effect of Bitter Melon Leaves (Momordica Charantia L) Ethanol Extract on the Trichophyton Rubrum Fungal Inhibiting Zone of Diffusion Method

2020 ◽  
Vol 1 (1) ◽  
pp. 1-8
Author(s):  
Slamet
Keyword(s):  
Leaf Extract ◽  
Trichophyton Rubrum ◽  
Sampling Technique ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Momordica Charantia ◽  
Diffusion Method ◽  
Bitter Melon ◽  
Medicinal Properties ◽  
Anti Fungal

The bitter melon plant (Momordica charantia L) has medicinal properties. Bitter melon leaves contain secondary metabolites such as flavonoids, tannins, saponins, and alkaloids. The compound has anti-fungal properties. This study aims to determine the effect of ethanol extract of bitter melon leaves (Momordica charanthia L) on the inhibition zone of the fungus Trichophyton rubrum diffusion method. The research method used was a quasi-experiment with a purposive sampling technique. The population in this study were bitter melon extract made with criteria of old leaves (obtained from bitter melon plants), 5th leaf from shoot to base, green leaves, non-rot leaves, non-ripped leaves and not eaten by caterpillars that have taken in Rasau Jaya Village 1, Rasau Jaya District, Bina Karya Hamlet. The sample used in this study was pared leaf extract (Momordica charantia L) using ethanol solvent with a concentration of 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80% and 90% using Dimethyl Sulfoxide as thinner. Analysis of the Linear Regression Test obtained the value (p = 0.00 <0.05), then Ha was accepted meaning that there was an influence of ethanol extract of the bitter melon leaf (Momordica charantia L) on the inhibition zone of the fungus Trichophyton rubrum by the diffusion method. The results of R Square (R2) which amounted to 0.930 showed that the magnitude of the contribution of the concentration of bitter melon leaf extract in influencing the inhibitory zone of the fungus Trichophyton rubrum was 93%.  

Efektivitas Aroma Terapi Lemon untuk Menangani Emesis Gravidarum

2019 ◽  
Vol 11 (4) ◽  
pp. 277-284
Author(s):  
Vitrianingsih Vitrianingsih ◽  
Sitti Khadijah
Keyword(s):  
Pregnant Women ◽  
Sampling Technique ◽  
T Test ◽  
The Body ◽  
Nausea And Vomiting ◽  
P Value ◽  
Purposive Sampling ◽  
Body Tissues ◽  
Quasi Experimental ◽  
Paired T Test

Studi memperkirakan emesis gravidarum terjadi pada 50-90% kehamilan. Mual muntah pada kehamilan memberikan dampak yang signifikan bagi tubuh dimana ibu menjadi lemah, pucat dan cairan tubuh berkurang sehingga darah menjadi kental (hemokonsentrasi). Keadaan ini dapat memperlambat peredaran darah dan berakibat pada kurangnya suplay oksigen serta makanan ke jaringan sehingga dapat membahayakan kesehatan ibu dan janin. Salah satu terapi yang aman dan dapat dilakukan untuk mengurangi keluahan mual muntah pada ibu hamil adalah pemberian aromaterapi lemon. Penelitian bertujuan untuk mengetahui efektifitas aroma terapi lemon untuk menangani emesis gravidarum. Penelitian ini menggunakan rancangan Quasi experiment  dengan  one group pre-post test design. Populasi penelitian adalah ibu hamil yang mengalami emesis gravidarum di Kecamatan Berbah, Sleman. Jumlah sampel 20 ibu hamil trimester pertama yang diambil dengan teknik purposive sampling. Pengukuran mual muntah dilakukan debelum dan setelah  pemberian aromaterapi lemon menggunakan Indeks Rhodes. Analisa data menggunakan uji Paired t-test. Hasil penelitian didapatkan rata-rata skor mual muntah sebelum pemberian aromaterapi lemon berdasarkan Indeks Rhodes pada Ibu Hamil dengan emesis gravidarum yaitu 22,1 dan terjadi penurunan skor setelah pemberian aromaterapi lemon menjadi 19,8. Ada pengaruh pemberian aromaterapi lemon dengan pengurangan mual muntah pada ibu hamil (p-value = 0.017). Berdasarkan hasil penelitian dapat disimpulkan pemberian aromaterapi lemon efektif untuk mengurangi emesis gravidarum pada ibu hamil trimester pertama.  Kata kunci: aromaterapi lemon, emesis gravidarum THE EFFECTIVENESS OF LEMON AROMATHERAPY FOR HANDLING EMESIS GRAVIDARUM   ABSTRACT Studies estimate that nausea and vomiting (emesis gravidarum) occur in 50 – 90% of pregnancies. Nausea and vomiting of pregnancy have a significant impact on the body in which it makes a mother becomes weak, pale, and decreasing body fluid so that the blood becomes thick (hemoconcentration). This situation can slow down blood circulation and inflict the lack of oxygen and food supplies to the body tissues so that it can endanger the health of the mother and fetus. One of the therapies that is safe and can be conducted to reduce nausea and vomiting of pregnancy is by giving the lemon aromatherapy treatment. The research aims to determine the effectiveness of the aroma of lemon therapy to deal with emesis gravidarum. This study applied quasi-experimental research with one group pretest-posttest design. The population of this study was pregnant women who experienced emesis gravidarum. Furthermore, samples were 20 mothers from Berbah, Sleman taken by using a purposive sampling technique. Nausea and vomiting were assessed between before and after giving lemon aromatherapy using the Rhodes Index. The data were analyzed using the paired t-test. The mean score of nausea and vomiting before giving lemon aromatherapy on mother with emesis gravidarum based on the Rhodes Index was 22.1. However, it decreased after given lemon aromatherapy treatment to 19.8. Therefore, there was an effect on giving lemon aromatherapy treatment toward the decrease of nausea and vomiting for pregnant women (p-value = 0.017). Lemon aromatherapy is effective to reduce emesis gravidarum.  Keywords: lemon aromatherapy, emesis gravidarum

PROGRAM BIMBINGAN UNTUK MENINGKATKAN MOTIVASI BELAJAR SISWA

2017 ◽  
Vol 17 (1) ◽  
pp. 55
Author(s):  
Ismaniar Ismaniar Ismaniar
Keyword(s):  
Experimental Design ◽  
Quantitative Research ◽  
Sampling Technique ◽  
Learning Motivation ◽  
Control Group ◽  
Research Approach ◽  
Purposive Sampling ◽  
Guidance Program ◽  
Quasi Experimental ◽  
11Th Grade

The present study is aimed at developing effective guidance program for increasing student’s learning motivation. The present study applies quantitative research approach with nonequivalent pre-posttest control group quasi-experimental design, and nonrandom-purposive sampling technique. The data were collected using inventory, interview, and documentary study. The study comes up with the main finding that the tested guidance program is proven to be effective for increasing learning motivation students of 11th grade at SMA Kartika XIX-2 Bandung.

Uji Daya Hambat Ekstrak Etanol Daun Belimbing Wuluh (Averrhoa blimbi L.) Terhadap Pertumbuhan Staphylococcus epidermidis

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Irma Zarwinda ◽  
Fauziah Fauziah ◽  
Shara Shevalinda ◽  
Dwi Putri Rejeki
Keyword(s):  
Staphylococcus Epidermidis ◽  
Research Method ◽  
Inhibitory Concentration ◽  
Sampling Technique ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Chemistry Laboratory ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Training And Education

Startfruit (Averrhoa bilimbi L.) is one the kind of plant that is widely used as a traditional herbal medicineto overcome various diseases i.e. diabetes mellitus, cough, rheumatism, thrush, diabetes, toothache, acne, etc. The secondary metabolites of the starfruit leaves contain flavonoids and tannins, whereby these activecompounds can be used as an antibacterial. This study aimed to determine the inhibiting power of starfruit leaf ethanol extract against Staphylococcus epidermidis at concentrations of 25%, 50%, 75%, and 100%. The research was conducted at the  AKAFARMA Laboratory and the Chemistry Laboratory , Faculty of Teacher Training and Education, Syiah Kuala University from June to July 2020. The research method was laboratory experimental using the disk diffusion method. The population of starfruit leaves was obtained from Lhokseumawe  using a purposive sampling technique. Ethanol extract of starfruit leaves with concentrations of 25%, 50%, 75%, and 100%. The diameter of the inhibition zone of the ethanol extract  from the starfruit leaves at  concentrations of 100%, 75%, 50%, and 25% were 15 mm, 12 mm, 11 mm and 10 mm, respectively. It can be concluded that  ethanol extract of starfruit leaves can inhibit the growth  of  Staphylococcus  epidermidis  with  a  maximum inhibitory concentration  of  100%,  which is classified  as a strong category.

TERAPI SEFT (SPIRITUAL EMOTIONAL FREEDOM TECHNIQUE) UNTUK MENGHADAPI KECEMASAN DALAM PERSALINAN

2021 ◽  
Vol 7 (1) ◽  
pp. 139-144
Author(s):  
Widiyanti Sarimunadi ◽  
Bunga Tiara Carolin ◽  
Rosmawaty Lubis
Keyword(s):  
Pregnant Women ◽  
Sampling Technique ◽  
Average Score ◽  
Control Group ◽  
P Value ◽  
Control Group Design ◽  
Purposive Sampling ◽  
Group Design ◽  
Post Test ◽  
Quasi Experimental

ABSTRACT: SEFT THERAPY (SPIRITUAL EMOTIONAL FREEDOM TECHNIQUE) FOR ANXIETY IN DEALING WITH LABORBackground: If the concern and anxiety of pregnant women is not handled seriously, it will have an impact and influence on physical and psychological aspects, both on the mother and the fetus. Pregnant women who experience anxiety in the face of labor are afraid of being operated on, afraid of spending a lot of money, fear of not being able to care for their babies properly, fear of their baby dying, fear of pain during delivery. One of the techniques for dealing with anxiety is SEFT therapy.Objective: to determine the effect of Spiritual Emotional Freedom Technique (SEFT) on anxiety in dealing with labor process.Methodology: this research is a quasi-experimental design with pre and post-test with control group design. The sample in this study was 25 trimester III pregnant women. The sampling technique was using purposive sampling technique. The research instrument used the DASS 42 questionnaire. The results of the data normality test were normally distributed so that the data were analyzed using the paired t-test.Results: The results showed that the average score of maternal anxiety before therapy was 13.48 (moderate) while after therapy was 7.88 (normal). The bivariate test results obtained p value 0,000.Conclusions: Spiritual Emotional Freedom Technique (SEFT) can overcome the anxiety of pregnant women in facing labor.Suggestions: It is hoped that this therapy can be applied in the practice of midwifery to care for pregnant women, especially pregnant women who experience trauma or have anxiety in their pregnancy. Keywords: anxiety, pregnant women, spiritual emotional freedom technique. ABSTRAK Latar Belakang: Kekhawatiran dan kecemasan pada ibu hamil apabila tidak ditangani dengan serius akan membawa dampak dan pengaruh terhadap fisik dan psikis, baik pada ibu maupun janin. Ibu hamil yang mengalami kecemasan dalam menghadapi persalinan disebabkan karena ibu takut dioperasi, takut akan mengeluarkan biaya yang banyak, takut tidak bisa merawat bayinya dengan baik, takut bayinya meninggal, takut kesakitan saat persalinan. Salah satu teknik untuk menghadapi kecemasan adalah denga terapi SEFT.Tujuan: Mengetahui pengaruh Terapi Spiritual Emotional Freedom Technique (SEFT) terhadap kecemasan dalam menghadapi persalinan.Metodologi penelitian: Penelitian ini merupakan quasi-experimental dengan rancangan pre and post test with control group design. Sampel dalam penelitian ini berjumlah 25 ibu hamil trimester III. Teknik pengambilan sampel menggunakan teknik purposive sampling. Instrumen penelitian menggunakan kuesioner DASS 42. Hasil uji normalitas data berdistribusi normal sehingga dianalisis data menggunakan uji paired t-test.Hasil Penelitian: Hasil penelitian menunjukan bahwa skor rata-rata kecemasan ibu sebelum terapi 13,48 (Sedang) sedangkan sesudah terapi menjadi 7,88 (normal). Hasil uji bivariate didapatkan p value 0,000.Kesimpulan: Terapi Spiritual Emotional Freedom Technique (SEFT) mampu mengatasi kecemasan ibu hamil dalam menghadapi persalinan.Saran: Diharapkan terapi ini dapat diaplikasikan dalam praktik kebidanan perawatan ibu hamil khususnya ibu hamil yang mengalami trauma atau mempunyai kecemasan dalam kehamilannya. Kata kunci: Kecemasan, ibu hamil, Terapi Spiritual Emotional Freedom Technique

scholarly journals PERBEDAAN KETERAMPILAN PROSES SAINS (KPS) SISWA MENGGUNAKAN MODEL PEMBELAJARAN INQUIRY TRAINING DAN PEMBELAJARAN KONVENSIONAL PADA MATERI POKOK ELASTISITAS DAN HUKUM HOOKE DI SMA

2020 ◽  
Vol 6 (1) ◽  
pp. 165
Author(s):  
Zafira Rahmatilla ◽  
Yul Ifda Tanjung
Keyword(s):  
High School ◽  
Score Test ◽  
Sampling Technique ◽  
Learning Model ◽  
Control Group ◽  
Gain Score ◽  
Purposive Sampling ◽  
Quasi Experimental ◽  
The Subject ◽  
Experimental Group

ABSTRAKPenelitian ini bertujuan untuk mengetahui adanya perbedaan Keterampilan Proces Sains (KPS) siswa menggunakan model pembelajaran inquiry training dan pembelajaran konvensional mengenai materi pokok elastisitas dan hukum Hooke di SMA. Jenis Penelitian ini adalah quasi-experiment dengan desain two groups pretest-posttest. Populasi penelitian ini adalah seluruh siswa kelas XI MIPA SMA Negeri 5 Medan. Sampel diambil dengan teknik purposive sampling yang terdiri dari dua kelompok yaitu kelompok eksperimen dan kelompok kontrol. Teknik pengumpulan data dilakukan dengan tes dan observasi aktivitas KPS siswa. Data dalam penelitian ini dianalisis menggunakan pengujian hipotesis uji t. Hasil penelitian menunjukkan adanya perbedaan KPS yang signifikan antara penerapan menggunakan model pembelajaran inquiry training dibandingkan pembelajaran konvensional dengan nilai sig. 0,000 pada taraf signifikan 0,05. Berdasarkan hasil uji N-Gain Score dengan penerapan model pembelajaran inquiry training lebih tinggi dalam meningkatkan KPS siswa sebesar 0,70 dalam kategori tinggi dibandingkan KPS siswa dengan penerapan pembelajaran konvensional sebesar 0,59 dalam kategori sedang. Kata kunci: keterampilan proses sains; model pembelajaran inquiry training. ABSTRACTThis study aims to determine the differences in Science Proses Skills (SPS) of students using inquiry training learning model and conventional learning about the subject matter of elasticity and Hooke’s law in High School. This type of research is a quasi-experimental with two groups of pretest-posttest design. The population of this research is all students of class XI MIPA in Public Senior High School 5 Medan. The sample was taken by a purposive sampling technique that consists of two groups, namely an experimental group and a control group. The data collected technique has been done by tests and observations activities SPS student. The data in this research was analyzed a hypothesis-testing t-test. The results showed significant differences in SPS between the application of using inquiry training learning models compared to conventional learning with the value of sig. was 0.000 at the significance of level 0.05. Based on the results of the N-Gain Score test with the application of the inquiry training learning model is higher in increasing SPS of the students by 0.70 in the high category compared to SPS of students with the application of conventional learning by 0.59 in the medium category. Keywords: science process skills; inquiry training learning model.

scholarly journals Kemampuan Literasi Matematis Siswa melalui Model Pembelajaran Problem Based Instruction

2019 ◽  
Vol 8 (3) ◽  
pp. 389-398
Author(s):  
Vika Conie Fatwa ◽  
Ari Septian ◽  
Sarah Inayah
Keyword(s):  
Problem Based Learning ◽  
Sampling Technique ◽  
Learning Model ◽  
Literacy Skills ◽  
Mathematical Literacy ◽  
Purposive Sampling ◽  
9Th Grade ◽  
Quasi Experimental ◽  
Literacy Ability ◽  
Based Instruction

AbstrakLatar belakang penelitian ini yaitu masih rendahnya kemampuan literasi matematis. Penelitian ini bertujuan mengetahui apakah model pembelajaran Problem Based Instruction (PBI) yang juga sebagai alternatif solusi permasalahan dapat meningkatkan kemampuan literasi matematis siswa. Metode penelitian adalah kuasi eksperimen dengan desain Nonequivalent group pretest-postest design. Instrumen berbentuk tes literasi matematis berupa tes awal (pretest) dan tes akhir (posttest). Populasi penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 5 Cianjur tahun ajaran 2018/2019 yang tersebar dalam sembilan kelas, sedangkan sampelnya dipilih dengan teknik purposive sampling sebanyak dua kelas yaitu kelas VIII D sebanyak 27 siswa sebagai kelas eksperimen yang diberikan perlakuan dengan menggunakan model pembelajaran Problem Based Learning (PBI), dan VIII C sebanyak 25 siswa sebagai kelas control dengan pembelajaran biasa. Berdasarkan penelitian diketahui bahwa terdapat peningkatan kemampuan literasi matematis siswa dengan model pembelajaran Problem Based Instruction (PBI).  Peningkatan tersebut lebih baik jika dibandingkan dengan peningkatan pada siswa dengan pembelajaran biasa.Kata Kunci: Kemampuan Literasi Matematis, Problem Based Instruction, PBI.  Mathematical Literacy Ability Students through Problem Based Instruction Learning ModelsAbstractThe background of this research is low mathematical literacy ability. The purpose of this research is to find out the differences in increasing students’ mathematical literacy ability between those who use the Problem Based Instruction (PBI) learning model as an alternative solution to the problem and who use ordinary learning. A method in this research is quasi-experimental with nonequivalent group pretest-posttest design. The instruments are a mathematical literacy instrument consisting of the initial test (pretest) and the final test (posttest). The population in this study were all students at SMP Negeri 5 Cianjur in year 2018/2019 that spread into 9th grade, while the samples chosen with purposive sampling technique were two classes, namely VIII D class as the experimental class which is given Problem Based Learning (PBI) and VIII C as the control class with ordinary learning. Based on the tests of mathematical literacy abilities that have been analyzed it is found that there are differences in mathematical literacy skills students who applied the Problem Based Instruction (PBI) learning model is were better than ordinary learning. The increase is better when compared to the increase in students with ordinary learning.Keywords: Mathematical literacy ability, Problem Based Instruction, PBI.

scholarly journals Empathy therapy to raise awareness of verbal bullying hazards

2020 ◽  
Vol 1 (2) ◽  
pp. 57-62
Author(s):  
Dini Mai Hesty ◽  
Dedy Surya
Keyword(s):  
Sampling Technique ◽  
Quantitative Approach ◽  
Purposive Sampling ◽  
Quasi Experimental ◽  
Verbal Bullying

The low awareness of verbal bullying hazard is caused by a low of empathy in individuals. Empathy therapy can be used to develop a sense of empathy, and it can raise awareness about verbal bullying hazard, thereby minimizing the tendency of verbal bullying. This study aims to see the effectiveness of empathy therapy for raised awareness of verbal bullying hazards. This research used a quantitative approach-quasi experimental (one group pretest-posttest design), with a purposive sampling technique, sample by six female participants between ages 17 and 19 in Gampong Paya Bujok Tunong. The instrument used in the research is the tendency scale of verbal bullying. The finding showed that there was a significant empathy therapy decreasing the tendency of verbal bullying.

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