Dinda Melissa Ardi, Erviyenni Erviyenni, Maria Erna
{"title":"ANALISIS KETUNTASAN BELAJAR PESERTA DIDIK PADA POKOK BAHASAN KESETIMBANGAN ION DAN PH LARUTAN GARAM MELALUI PEMBELAJARAN TATAP MUKA TERBATAS","authors":"Dinda Melissa Ardi, Erviyenni Erviyenni, Maria Erna","doi":"10.26740/ujced.v12n1.p44-50","DOIUrl":"https://doi.org/10.26740/ujced.v12n1.p44-50","url":null,"abstract":"Penelitian ini bertujuan untuk menganalisis ketuntasan belajar peserta didik pada pokok bahasan kesetimbangan ion dan pH larutan garam melalui pembelajaran tatap muka terbatas tahun ajaran 2021/2022 di kelas XI MIPA. Penelitian ini merupakan penelitian deskriptif kuantitatif. Alat pengumpul data pada penelitian yaitu wawancara dan dokumentasi nilai ulangan harian kesetimbangan ion dan pH larutan garam. Teknik analisis data dilakukan secara kualitatif dan kuantitatif. Data kualitatif diolah secara deskriptif untuk menggambarkan proses pembelajaran kesetimbangan ion dan pH larutan garam. Data kuantitatif berupa hasil ulangan harian peserta didik digunakan untuk menganalisis bagaimana ketuntasan belajar peserta didik baik secara individual, klasikal, maupun ketuntasan indikator. Hasil data proses pembelajaran yaitu persentase ketuntasan belajar individual peserta didik yang tuntas sebesar 55,2% dan peserta didik yang tidak tuntas sebesar 44,8. Persentase ketuntasan belajar klasikal peserta didik kelas XI SMA Negeri 14 Pekanbaru sebesar 54,4%. Persentase indikator dengan ketuntasan tertinggi sebesar 88%, sedangkan indikator dengan ketuntasan terendah sebesar 40%.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46437932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"DEVELOPMENT OF E-STUDENTWORKSHEET BASED ON SCIENCE LITERACY (E-SWBSL) OF ACID BASE TOPIC TO IMPROVE STUDENT LEARNING OUTCOME","authors":"M. R. Putra, M. Mitarlis","doi":"10.26740/ujced.v12n1.p30-36","DOIUrl":"https://doi.org/10.26740/ujced.v12n1.p30-36","url":null,"abstract":"This study aims to develop (E-SWBSL) electronic student worksheets based on scientific literacy to improve student learning outcomes on acid-base materials that are appropriate for use. The principle of scientific literacy in the E-SWBSL includes several domains: the content knowledge domain, context domain, scientific phenomena domain, and attitude domain. The research method used a 4-D development model (Define, Design, Develop, and Disseminate), but the research only reached the development stage. The results of the E-SWBSL were tested on 22 students in the eleventh grade of pharmacy vocational school. The feasibility of E-SWBSL is viewed from three aspects, namely aspects of validity, practicality, and effectiveness. The results of the development of E-SWBSL found that the eligibility of the E-SWBSL was assessed from its validity was stated to be very valid with a validity percentage of 81.25%. The practicality of this E-SWBSL shows practical results with the value shown by the positive response questionnaire results of students with a percentage of 78.7%. The effectiveness of the E-SWBSL states very effective results based on a significant increase in student learning outcomes through the paired sample t-test, so that the developed E-SWBSL is declared feasible for use in the teaching and learning process, especially acid-base topics.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45734619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"PENGGUNAAN MEDIA AUGMENTED REALITY BERBASIS ANDROID TERHADAP PENINGKATAKAN PRESTASI BELAJAR SISWA PADA MATERI IKATAN KIMIA","authors":"Happy Sagita Nurillah, Fatayah Fatayah, Kriesna Kharisma Purwanto","doi":"10.26740/ujced.v12n1.p17-22","DOIUrl":"https://doi.org/10.26740/ujced.v12n1.p17-22","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui ada tidaknya perbedaan penggunaan media Augmented Reality terhadap peningkatan prestasi belajar siswa. Jenis penelitian yang digunakan adalah eksperimen semu (quasi eksperimen) dengan Posttest Non-Equivalent Control Group Design. Dalam penelitian ini, peneliti menggunakan metode kuantitatif inferensial. Populasi yang dimaksud merupakan seluruh siswa MA Al Muhtadi. Sampel dalam penelitian ini terdiri dari siswa kelas X sebanyak 42 siswa. Teknik sampling yang digunakan berupa teknik judgment sampling, karena sampel ditentukan berdasarkan pertimbangan tujuan penelitian. Instrumen penelitian yang digunakan terdiri dari 8 soal pilihan ganda dan 5 soal esai. Data dalam penelitian dianalisis menggunakan uji Independent Sample t-Test (parametrik), karena sampel yang digunakan berdistribusi normal dan juga homogen. Hasil analisis data, diperoleh nilai t hitung >t tabel (4,134>2,021) dengan taraf Signifikansi 0,05. Berdasarkan hasil uji Independent Sample t-Test, terdapat perbedaan yang signifikan antara siswa yang belajar menggunakan media Augmented Reality dengan siswa yang bealajar menggunakan media PowerPoint.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43998509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development of E-modul Flipbook Buffer Solution Based On Discovery Learning Model","authors":"Syamriani Syamriani, J. Jusniar, H. Hardin","doi":"10.26740/ujced.v12n1.p8-16","DOIUrl":"https://doi.org/10.26740/ujced.v12n1.p8-16","url":null,"abstract":"This research and development aim to produce a valid, practical, and effective e-module buffer solution flipbook. The development of this e-module refers to the ADDIE development model which includes the analysis stage, the design stage, the development stage, the implementation stage, and the evaluation stage. There are four subjects in this research, namely media experts and material experts as validity test subjects, chemistry teachers as the practicality test subject,ct, and 35 students in class XI MIPA 3 as the practicality and effectiveness tests subjects. The instruments used for validity are validation sheets by media experts and material experts, practicality, namely observation sheets on the implementation of e-module, teacher and student response questionnaires, and effectiveness, namely learning outcomes tests. The results of this study are: (1) the validity of the digital module from the material expert is 3,6 and the media expert is 3,5 which is in the very valid category with a consistency test between validators are 100% which is in very high criteria, (2) the average percentage of e-module practicality is 85,66%, where the percentage of practicality based on the questionnaire responses of students and teachers the to the digital issue is 85,33% and 86% in the very practical category, 3) e- module meet the effective criteria (≥85%) based on the achievement of class completeness with percentage 88,57%. Based on these data, it is concluded that the e-module flipbook buffer solution developed with the ADDIE model is valid, practical, and effective for use in learning.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48720210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"PEMBELAJARAN MATERI LAJU REAKSI DENGAN PENATAAN KURIKULER NESTED UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS DAN HASIL BELAJAR PESERTA DIDK","authors":"Rima Anggun Juwitasari, S. Suyono","doi":"10.26740/ujced.v12n1.p1-7","DOIUrl":"https://doi.org/10.26740/ujced.v12n1.p1-7","url":null,"abstract":"Penelitian ini bertujuan memperoleh hasil uji peningkatan keterampilan berpikir kritis dan hasil belajar peserta didik sebagai dampak pembelajaran laju reaksi yang dirancang dengan pengintegrasian kurikuler pola nested. Jumlah sampel penelitian 34 peserta didik dari SMA Negeri di wilayah Gresik. Perangkat pembelajaran (RPP, LKPD, dan Lembar Penilaian) yang dikembangkan sesuai dengan pola nested telah divalidasi melalui expert judgement dan dinyatakan valid untuk digunakan. Penelitian mengikuti rancangan one-group pretest-posttest design. Tes keterampilan berpikir kritis dan hasil belajar materi laju reaksi diujikan kepada sampel penelitian sebelum dan sesudah pembelajaran. Signifikansi dampak pembejaran ditetapkan berdasar hasil uji t sampel berpasangan. Hasil uji t mendapatkan nilai signifikansi 0,00 (lebih kecil dari 0,05) baik untuk keterampilan berpikir kritis maupun hasil belajar. Rerata skor keterampilan berpikir kritis maupun hasil belajar sesudah pembelajaran lebih tinggi daripada sebelum pembelajaran. Dengan demikian dapat disimpulkan bahwa pembelajaran laju reaksi dengan pola pengintegrasian nested berdampak positif dan signifikan baik pada leterampilan berpikir kritis maupun hasil belajar peserta didik.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44233619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"PENGEMBANGAN E-BOOK FLIP PDF DENGAN MODEL DISCOVERY LEARNING PADA MATERI POKOK LAJU REAKSI (STUDI PADA KELAS XI SMA NEGERI 5 LUWU)","authors":"Haeriah Ummul, Jusniar Jusniar, H. Hardin","doi":"10.26740/ujced.v11n3.p227-234","DOIUrl":"https://doi.org/10.26740/ujced.v11n3.p227-234","url":null,"abstract":"Penelitian pengembangan ini bertujuan untuk menghasilkan e-book flip PDF yang valid, praktis, dan efektif. Penelitian ini adalah Researc and Development dengan menggunakan model ADDIE (Analysis, Design, Development, Implementation, and Evaluation). Instrumen yang digunakan adalah lembar validasi ahli media dan materi, angket respon peserta didik dan guru, lembar observasi keterlaksanaan pembelajaran, dan tes hasil belajar. Subjek penelitian yaitu ahli media dan materi yang masing-masing terdiri dari 2 orang, guru kimia berjumlah 1 orang dan 30 peserta didik kelas XI MIA 1. Hasil penelitian ini adalah: (1) Kevalidan e-book yang telah divalidasi diperoleh hasil kevalidan sebesar 3,71 dan 3,49 yang berada pada kategori sangat valid (ahli media maupun ahli materi), (2) Kepraktisan e-book dari presepsi pengguna masing-masing menunjukkan persentase 91,09% guru dan 90,97% siswa merespon positif (sangat praktis). Hasil kepraktisan melalui lembar observasi keterlaksanaan pembelajaran dalam model discovery learning menunjukkan ratarata persentase yakni 97,07%, dengan kategori sangat tinggi, (3) Keefektifan e-book ditentukan dengan uji empiris berdasarkan hasil belajar peserta didik diperoleh hasil memenuhi kriteria efektif (≥ 80%) berdasarkan KKM 75 mencapai ketuntasan kelas dengan persentase 87,88%. E-book flip PDF yang dikembangkan dengan model ADDIE telah memenuhi kriteria valid, praktis, dan efektif untuk digunakan dalam pembelajaran","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41499280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"ANALISIS KETUNTASAN BELAJAR PESERTA DIDIK PADA POKOK BAHASAN KESETIMBANGAN KIMIA MELALUI PEMBELAJARAN BLENDED LEARNING DI KELAS XI MIPA SMAN 2 TAMBANG","authors":"Nurul Badiah, Erviyenni Erviyenni, Herdini Herdini","doi":"10.26740/ujced.v11n3.p186-194","DOIUrl":"https://doi.org/10.26740/ujced.v11n3.p186-194","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui bagaimana ketuntasan belajar peserta didik pada pokok bahasan kesetimbangan kimia melalui pembelajaran blended learning di kelas XI MIPA SMAN 2 Tambang. Penelitian ini adalah penelitian survei menggunakan metode deskriptif dengan pendekatan kuantitatif, sehingga disebut penelitian deskriptif kuantitatif. Alat pengumpul data pada penelitian ini yaitu studi pustaka dan wawancara sebagai data kualitatif untuk menggambarkan bagaimana proses pembelajaran blended learning. Alat pengumpul data yang lain adalah dokumentasi nilai ulangan harian kesetimbangan kimia sebagai data kuantitatif untuk mengetahui bagaimana ketuntasan belajar peserta didik pada pokok bahasan kesetimbangan kimia.Teknik analisis data dilakukan secara kualitatif, yaitu data diolah secara deskriptif sedemikian rupa sehingga dapat menggambarkan proses pembelajaran kesetimbangan kimia di kelas XI MIPA SMAN 2 Tambang. Langkah selanjutnya analisis kuantitatif hasil ulangan harian peserta didik untuk mengetahui bagaimana ketuntasan belajar peserta didik baik secara individual, klasikal, maupun ketuntasan indikator. Berdasarkan Hasil penelitian, persentase ketuntasan individual peserta didik yang tuntas sebesar 31,85 % dan peserta didik yang tidak tuntas sebesar 61,15 %. Persentase ketuntasan klasikal peserta didik kelas XI SMAN 2 Tambang sebesar 31,85 %. Persentase indikator dengan ketuntasan tertinggi sebesar 100 % , sedangkan indikator dengan ketuntasan terendah sebesar 30,37 %.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48784506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"ANALISIS MISKONSEPSI SISWA PADA MATERI LARUTAN ELEKTROLIT DAN NON ELEKTROLIT MENGGUNAKAN INSTRUMEN MULTIREPRESENTASI FOUR-TIER DIAGNOSTIC TEST BERBASIS PIKTORIAL","authors":"Atik Santi, M. Rahayu","doi":"10.26740/ujced.v11n3.p210-219","DOIUrl":"https://doi.org/10.26740/ujced.v11n3.p210-219","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui miskonsepsi yang dialami siswa pada setiap aspek multirepresentasi pada materi larutan elektrolit dan non elektrolit dan untuk mengetahui faktorfaktor yang mempengaruhi miskonsepsi siswa. Penelitian ini menggunakan metode deskriptif kuantitatif. Sampel penelitian terdiri dari 64 siswa kelas X MIPA SMAN 1 Tulungagung tahun ajaran 2021/2022 yang ditentukan dengan teknik purposive sampling. Instrumen yang digunakan dalam penelitian adalah tes diagnostik four-tier terintegrasi multirepresentasi berbasis piktorial sebanyak 22 butir soal. Koefisien reliabilitas soal yang diperoleh dari analisis data hasil uji coba soal sebesar 0,879 dengan kriteria sangat tinggi. Hasil penelitian menunjukkan bahwa miskonsepsi yang dialami siswa pada materi larutan elektrolit dan non elektrolit terjadi pada semua aspek multirepresentasi dengan persentase miskonsepsi pada representasi makroskopik-submikroskopik sebesar 28,45%, pada representasi simbolik-submikroskopik persentase miskonsepsi sebesar 22,20%, sedangkan pada representasi makroskopik-simbolik persentase miskonsepsi sebesar 20,85%. Faktor-faktor yang mempengaruhi miskonsepsi siswa adalah karakteristik dan keterkaitan materi larutan elektrolit dan non elektrolit dengan materi sebelumnya, minat dan gaya belajar siswa, sistem pembelajaran jarak jauh, dan rendahnya kemampuan serta penalaran siswa dalam memahami materi larutan elektrolit dan non elektrolit.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41788383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"THE EFFECT OF E-MAGAZINE IN DISCOVERY LEARNING MODEL ON THELEARNING OUTCOMES OF STUDENTS IN CLASS X SMA NEGERI 8 SELAYAR (STUDY ON OXIDATION REDUCTION SUBJECT METTER)","authors":"Pranita Septiani, A. Alimin, M. Muharram","doi":"10.26740/ujced.v11n3.p202-209","DOIUrl":"https://doi.org/10.26740/ujced.v11n3.p202-209","url":null,"abstract":"The quasi-experimental research aims to determine the effect of e-Magazine in the Discovery Learning model on the learning outcomes of students of class X SMAN 8 Selayar on the main material of oxidation-reduction reaction. The research design used is a posttest-only control group design. The research population was all of class X MIA with a total of 2 (two) classes consisting of 50 students. Sampling in this study was carried out using the saturated sampling. The sample in the study was Class X MIA 1 as an experimental group and X MIA 2 as the control group of 25 people each. The research used are tests of learning outcomes and observation sheets of learning implementation. The results of descriptive statistical analysis of the experimental group obtained a learning outcome average of 80,72 and a control group of 78,00. The results of an inferential statistical analysis of learners' learning outcomes showed that experimental group and control group data is homogeneous but not normally distributed population. Because the data is not normally distributed, so the hypothesis test used is the Mann-Whitney test. The results of the hypothesis test obtained the value of Zhitung > Ztabel (1,65 > 1,64). This shows that there is the effect of e-Magazine on the Discovery Learning model to the learning outcomes of Class X of SMAN 8 Selayar on the subject matter of oxidation-reduction reaction.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42817345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andi Tahta Perlawanan, J. Jusniar, Ahmad Fudail Madjid
{"title":"THE EFFECT OF NEARPOD INTERACTIVE MEDIA IN THE DISCOVERY LEARNINMODEL ON THE LEARNING OUTCOMES OF CLASS XI MIA MAN 4 BONE STUDENTS (STUDY ON ACID-BASE SUBJECT MATTER)","authors":"Andi Tahta Perlawanan, J. Jusniar, Ahmad Fudail Madjid","doi":"10.26740/ujced.v11n3.p220-226","DOIUrl":"https://doi.org/10.26740/ujced.v11n3.p220-226","url":null,"abstract":"The purpose of this study was to determine the effect of Nearpod interactive media on discovering a learning model on learning outcomes of class XI MIA students of MAN 4 Bone. The research method used was a quasi-experimental with a quantitative approach and using a posttestonly control group design. The research population were all from class XI MIA with a total of 2 classes. The research samples were class XI MIA 1 as the experimental class and class XI MIA 2 as the control class. The data collection technique used multiple choice tests to obtain data of learning outcomes. Data analysis was conducted using descriptive and inferential statistics. The results of statistical analysis showed that the experimental class' average learning outcomes were 75.53, higher than the control class, which was 71.28. The results of statistical analysis of learning outcomes showed that the experimental and control class data came from a homogeneous population but not normally distributed, so that the test used was the Mann-Whitney test. From data analysis, it showed Zcount (3.88) > Ztable. (1.64). Based on data analysis, it could be concluded that there was an effect of Nearpod interactive media on the discovery learning model on learning outcomes of XI MIA Students of MAN 4 Bone on acid base subject matter.","PeriodicalId":31518,"journal":{"name":"Unesa Journal of Chemical Education","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47072062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}