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Isolation and Identification of Hydrocarbon Degradation Bacteria and Phosphate Solubilizing Bacteria in Oil Contaminated Soil in Bojonegoro, East Java, Indonesia Rahayu, Yuni Sri
Indonesian Journal of Science and Technology Vol 4, No 1 (2019): IJOST: VOLUME 4, ISSUE 1, 2019
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v4i1.14923

Abstract

Petroleum is a mixture of hydrocarbon complexes with organic compounds from sulfur, oxygen, nitrogen and metal-containing compounds. These organic compounds can be used as substrate for bacterial growth. This study aimed to isolate and identify hydrocarbon degrading bacteria and phosphate solubilizing bacteria in oil-contaminated soil in Bojonegoro. This study used an exploration method to find each of the two types of hydrocarbon degrading bacteria and phosphate solubilizing bacteria from soil samples in Bojonegoro that contaminated by oil. Identification of isolates bacterial included macroscopic observations of bacteria, gram staining on bacterial cells and physiological tests. Macroscopic observations include the form of colonies, colony diameter, colony color, colony edge, and elevation. The physiological test using Microbact Identification System to determine the physiological characteristics of bacteria so that genera and types of bacteria can be known. The identification of organisms was based on changes in pH and use of the substrate. The results of data analysis were obtained from five types of bacteria from soil samples that contaminated by oil which were successfully isolated. After identification of species was done, four species of bacteria were obtained, namely Pseudomonas pseudomallei, Pseudomonas fluorescens-25, Flavobacterium odoratum, and Enterococcus sp.
High Unemployment Records of Graduated Students in the Development of Urban Agriculture in the Gaza Strip Al-Najar, Husam; Khalil, Hadi; Rahayu, Yuni Sri
Indonesian Journal of Science and Technology Vol 4, No 2 (2019): IJOST: VOLUME 4, ISSUE 2, 2019
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v4i2.18176

Abstract

Urban agriculture plays a significant role in national development by contributing towards food security, job creation, and income generation. This study aims to assess the effect of unemployment records in graduated students in the recovery of the agricultural sector and the input to food security. A combination of both quantitative and qualitative research methods was employed in this study. In the quantitative design, 129 randomly selected urban farmers, completed the self-administered close-ended questionnaires, whereas the statistical analysis presents the socio-demographic, economic, and other aspects of the households. Based on the study result, around 2500 students graduated annually from 29 high educational institutes in Gaza Strip. The unemployment rate is around 41%, therefore the graduated students found that urban agriculture is contributing to create more jobs opportunities and improving household income. The analysis showed that 18% of the urban farmers are illiterate, 31% passed primary education, 25% passed secondary education, and 26% are holding university degrees in different fields. It is highly recommend to include urban agriculture in the future plans of the ministry of labours, ministry of agriculture, and all relevant institutions to overcome the high unemployment records and to alleviate poverty in Gaza.
AN EVALUATION OF THE EFFECTIVENESS OF THE AUTHENTIC TASK ON STUDENTS’ LEARNING ACHIEVEMENT OF PLANT ANATOMY CONCEPTS IN SURABAYA STATE UNIVERSITY Susiyawati, Enny; Ibrahim, Muslimin; Atweh, Bill; Rahayu, Yuni Sri
JPPS (Jurnal Penelitian Pendidikan Sains) Vol 1, No 2 (2012)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v1n2.p101-107

Abstract

To promote the knowledge of plant anatomy which is frequently taught using traditional method, students need to be involved in authentic learning by providing them an authentic task. Therefore, the aims of this current research are to implement a certain authentic task of plant anatomy; to evaluate the effectiveness of the task on the students? learning achievement includes their performances, knowledge mastery, and perceptions of the task; and to describe some difficulties that occurred during the implementation of the authentic task. This case study research involved a single class consisted of 25 bachelor degree students as the subjects of this research. Observation, interview, and test were implemented to collect variety information during implementation ofthe authentic task. The findings showed that the students? performance scores and the percentage of mastered indicators met the minimum mastery criteria, but the percentage of classical mastery was less than the criteria. It means the authentic task had positive impact only on students? performance, but it could not help the whole students to master the topic. However, regarding to perception, both higher and lower achiever students thought the task was authentic. Nevertheless, there were four obstacles occurred during implementation of the authentic task, they were students? confusion of the task, students? difficulty to make microscope slides,students? difficulty to identify plant structures, and the limited time. Overall, it can be concluded that, contrary to what was expected, the implemented authentic task in this study was not effective for the learners in order to get a good holistic learning achievement due to the difficulties. Therefore, in designing a well authentic task, the educators or developer need to think not only the task, but also students? skills and time allocation. Dalam rangka meningkatkan pengetahuan tentang anatomi tumbuhan yang biasanya diajarkan melalui metode tradisional, siswa perlu dilibatkan dalam pembelajaran autentik melalui pemberian tugas autentik. Oleh karenanya, tujuan penelitian ini ialah untuk menerapkan suatu tugas autentik tentang anatomi tumbuhan; untuk mengevaluasi keefektivan tugas tersebut terhadap hasil belajar siswa yang meliputi hasil kinerja, ketuntasan materi ajar, dan persepsi siswa terhadap tugas tersebut; serta untuk mendeskripsikan kesulitan-kesulitan yang terjadi selama penerapan tugas autentik. Penelitian dengan tipe penyelidikan kasus ini melibatkan satu kelas yang terdiri atas 25 siswa S1 sebagai subjek penelitian. Pengamatan, wawancara, dan tes diterapkan untuk mengumpulkan berbagai informasi selama penerapan tugas autentik. Hasil penelitian menunjukkan bahwa skor kinerja siswa dan persentase ketuntasan indikator memenuhi kriteria ketuntasan minimum, tetapi persentase ketuntasan klasikal tidak mencapai kriteria tersebut. Hal tersebut berarti tugas autentik yang diterapkan memiliki dampak positif hanya terhadap hasil kinerja siswa, tetapi tugas tersebut belum dapat membantu seluruh siswa untuk menuntaskan materi ajar. Walaupun demikian, berkaitan dengan persepsi siswa, baik siswa yang memperoleh nilai tinggi maupun rendah menganggap tugas tersebut autentik. Akan tetapi, terdapat empat kendala yang terjadi selama penerapan tugas autentik tersebut, yaitu: kebingungan siswa terhadap tugas yang diberikan; kesulitan siswa dalam membuat preparat dan mengidentifikasi struktur tanaman; serta keterbatasan waktu yang tersedia. Jadi, dapat disimpulkan bahwa, berbeda dengan yang diharapkan, tugas autentik yang diterapkan dalam penelitian ini tidak effektif bagi siswa dalam rangka memperoleh hasil belajar holistik yang baik karena kesulitan-kesulitan yang muncul selama penerapannnya. Oleh karena itu, dalam merancang suatu tugas autentik yang baik, pengajar perlu memikirkan tidak hanya tugas autentik itu sendiri, tetapi juga keterampilan siswa dan alokasi waktu.
PENGEMBANGAN PERANGKAT PEMBELAJARAN BERBASIS INKUIRI TERBIMBING UNTUK MELATIH LITERASI SAINS SISWA Sumarti, Sri; Rahayu, Yuni Sri; Madlazim, Madlazim
JPPS (Jurnal Penelitian Pendidikan Sains) Vol 5, No 1 (2015)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v5n1.p822-829

Abstract

This research aims to develop guided inquiry based teaching materials which is valid, practical, and effective to facilitate the students? scientific literacy. The development of teaching material used the 4D model  and was tested in grade 7th-D of SMP GEMA 45 in the second semester of  2014/2015 by using the Pre-Experimental One-Group Pretest-Posttest Design. The data collection used documentation observation, test, and quetionnaires. The data analysis techniques used quantitative descriptive analysis.The results of this research are:1) Teaching material developed is valid categorised  to be use consisted of Syllabus, Lesson Plan, Student Worksheet, Student Book and Test of student learning outcomes; 2) The practicality of teaching material in terms of a good category in feasibility of lesson plans, the students? activities in accordance with  inquiry model and students give a positive responses toward teaching material and implementation of teaching material developed; and 3) The teaching material effectiveness in terms of: (a) Improving students? learning achievement seen from the individual and classical completeness; (b) Improving students? scientific literacy by getting gain score between middle until high category. Based on data analyzed the teaching materials based on guided inquiry are valid, practical, and effective to facilitate the students? scientific literacy. Penelitian ini bertujuan untuk menghasilkan perangkat pembelajaran berbasis inkuiri terbimbing yang layak (valid, praktis, dan efektif) untuk melatih literasi sains siswa. Pengembangan perangkat pembelajaran menggunakan model 4D  dan diujicobakan di kelas VII-D SMP GEMA 45 semester genap tahun ajaran 2014/2015 dengan One-Group Pretest-Posttest Design. Pengumpulan data menggunakan metode dokumentasi, observasi, tes, dan angket. Teknik analisis data menggunakan analisis deskriptif kuantitatif. Hasil penelitian ini menunjukkan,: 1) Perangkat pembelajaran yang dikembangkan berkategori valid; 2) Perangkat pembelajaran berketagori praktis ditinjau dari keterlaksanaan RPP, aktivitas siswa sesuai dengan tahap-tahap model inkuiri, dan siswa merespon positif perangkat yang dikembangkan dan implementasinya; serta 3) Perangkat pembelajaran telah efektif ditinjau dari: (a) Peningkatan pengetahuan siswa (b) Peningkatan literasi sains  siswa. Berdasarkan hasil analisis data dapat disimpulkan bahwa perangkat pembelajaran berbasis  inkuiri terbimbing yang dikembangkan valid, praktis, dan efektif untuk melatih literasi sains siswa sehingga layak untuk digunakan.
EVALUATION OF THE EFFECTIVENESS OF AUTHENTIC ASSESSMENT ON STUDENTS’ ATTITUDES Sabtiawan, Sabtiawan; Yuanita, Leny; Rahayu, Yuni Sri
JPPS (Jurnal Penelitian Pendidikan Sains) Vol 3, No 1 (2013)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v3n1.p282-285

Abstract

This study aimed to evaluate the effectiveness of using the authentic assessment on students? attitudes involving interest and enjoyment when they learned Atomic Absorption Spectroscopy Topic. Selected sample of this research was 37 students of chemistry who enrolled in the Spectroscopic Methods of Analysis Subject, Mathematics and Natural Sciences Faculty, The State University of Surabaya. This research was conducted by using case study research. The data were gained through two techniques, namely, observation and interview, and were analyzed using descriptive qualitative. The findings informed that the students showed positive feelings toward the topic after and during learning constructed by using authentic assessment dimensions with embedded cooperative learning syntax, especially student?s interest and enjoyment. They felt interested to the topic because of three reasons, that are, learning the theory through practice, discussion intensively, and activity like the real workplace. Moreover, they enjoyed during the learning because of four reasons also, that are, discussion without reluctance, no forcing all concept at once, synchronizing between  theory  and  practice  occurring  well,  and  learning  in  a  team.  In  conclusion,  the  learning constructed through the authentic assessment dimensions was effective to foster students? attitudes.belajar mahasiswa meliputi aspek student?s interest dan enjoyment pada Mata Kuliah Metode Spektroskopi Analisis (Analitik III). Subjek penelitian ini adalah 37 mahasiswa kimia yang memprogram Mata Kuliah Analitik III di FMIPA-UNESA. Penelitian  ini  dilakukan  menggunakan desain  studi  kasus  yang  mana  teknik  pengambilan data dilakukan melalui observasi dan interview. Data yang diperoleh menunjukkan respon positif selama pembelajaran (pembelajaran yang dirancang menggunakan dimensi-dimensi penilaian otentik) pada mata kuliah ini. Mereka merasa tertarik (student?s interest) belajar pada topik yang mereka pelajari karena tiga alasan yaitu belajar teori melalui praktik, diskusi secara intensif dan aktifitas seperti seorang profesional. Kesenangan belajar (student?s enjoyment) timbul karena empat hal, antara lain adanya diskusi, tidak dipaksa memahami semua konsep pada satu kali pertemuan, adanya integrasi yang baik antara teori dan praktek dan belajar dalam kelompok. Dengan demikian, dapat disimpulkan bahwa penilaian otentik efektif untuk menimbulkan dan mendorong sikap belajar mahasiwa.
PENGARUH PEMBELAJARAN PEMBERDAYAAN BERPIKIR MELALUI PERTANYAAN DIPADUKAN STRATEGI DISCOVERY LEARNING (PBMP-SDL) TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA Rosyana, Rosyana; Poedjiastoeti, Sri; Rahayu, Yuni Sri
JPPS (Jurnal Penelitian Pendidikan Sains) Vol 3, No 1 (2013)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v3n1.p325-331

Abstract

This research aimed to describe the effect of the TEQ - DLS   learning on critical students? critical thinking skill. This research was conducted in two stages, developed teaching learning material followed by the implementation phase of learning in the classroom. This research was a quasi experimental design with one-group pretest-posttest design and the subject of this research was  34  eighth  grade  students  of  SMP  Al  Hikmah  Surabaya. Research  data  collection  was  taken  through  observation,  tests, questionnaires, and documentation. The results of research data validation were analyzed descriptively. The empirical analysis includes the calculation of validity, reliability and sensitivity of the items test instrument. Critical thinking scores were analyzed using normalized gain and paired t-test to determine the effect of TEQ - DLS on learning outcomes of students. The results were obtained as follows: the learning implementation indicated good category. T-paired test on students? critical thinking results showed sig (2-tailed) = 0.00 so there were significant differences in students' critical thinking skills after learning. Students score had increased with normalized gain = 0.67 medium category (0,3? (<g>) ? 0,7). Students? completeness viewed from critical thinking indicator as big as 88.24%..  Research was concluded that the TEQ-DLS learning has an effect significantly in improving students' critical thinking skills.Penelitian ini bertujuan untuk mendeskripsikan pengaruh pembelajaran PBMP-SDL terhadap kemampuan berpikir kritis siswa. Penelitian dilaksanakan dalam dua  tahap, yaitu tahap pengembangan perangkat pembelajaran dilanjutkan dengan tahap implementasi pembelajaran di kelas. Jenis penelitian ini adalah kuasi eksperimen dengan rancangan one group pretest-postest design dan subyek 34 siswa kelas VIII SMP Al Hikmah Surabaya. Pengumpulan data penelitian diambil melalui observasi, tes, angket, dan dokumentasi. Data hasil validasi perangkat pembelajaran dianalisis secara deskriptif. Analisis empiris instrumen tes meliputi perhitungan validitas, reabilitas dan sensitivitas butir soal dari hasil belajar siswa. Skor berpikir kritis dianalisis menggunakan gain ternormalisasi dan uji t-berpasangan. Hasil penelitian  menunjukkan bahwa  keterlaksanaan pembelajaran  menunjukkan  kategori  baik.  Hasil  uji  t-  berpasangan terhadap kemampuan berpikir kritis siswa pada materi zat aditif makanan menunjukkan sig (2-tailed) = 0,00 artinya terdapat  perbedaan  secara   signifikan  setelah  pembelajaran.  Skor   siswa   mengalami  peningkatan  dengan   gain ternormalisasi = 0,67 berkategori sedang (0,3? (<g>) ? 0,7). Ketuntasan siswa ditinjau dari indikator berpikir kritis sebesar 88,24%. Kesimpulannya pembelajaran PBMP-SDL berpengaruh secara signifikan meningkatkan kemampuan berpikir kritis siswa.
PENGEMBANGAN PERANGKAT PEMBELAJARAN IPA SMP DENGAN MODEL INKUIRI UNTUK MELATIHKAN KETERAMPILAN PROSES PADA MATERI SISTEM PENCERNAAN MANUSIA Handayani, Antika Yekti; Nur, Mohamad; Rahayu, Yuni Sri
JPPS (Jurnal Penelitian Pendidikan Sains) Vol 4, No 2 (2015)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v4n2.p681-692

Abstract

Science process learning emphasis on giving learning experience directly to develop competence in exploring and understanding environment scientifically. Science education is purposed for inquiry and do something in order to help the student to get more understanding about environment. The purpose of this development research is to describe the validity, practicality, and effectiveness of science-biology teaching learning package for Junior High School using inquiry model to facilitate science process skills in human digestive system matter. The package  was developed using a 4-D model, and it was implemented in 30 students of SMPN 2 Lamongan. The design of this implementation phase was  One Group Pretest Posttest Design with a descriptive analysis of data. The validation revealed that the package was in good quality, so it fits to be used as a teaching learning package. Enforceability of lesson plans was also well-categorized. The student?s activities  showed the appropriate inquiry learning. The  student achievement in pretest was all students not complete, in posttest all students was complete.  Average cognitive product were 49,11 and 91,11 in pretest and posttest respectively with N-Gain 0,82.  Average cognitive process were 17,46 and 93,73 respectively with  N-Gain 0,92. N-Gain analysis results illustrate that the model of inquiry learning process was able to improve students? science process skills because the result obtained are in the high category. Inquiry learning model also influenced students? cognitif leaning outcome, which could complete all aspect of learning objectives.  Sensitivity items were between 0,3 up to 1,0. This indicates that all items were sensitive to learning effect. The student respond of this learning was good, and the students were really exciting and this model could facilitate them to learn.  The conclusions of this research was the learning package using inquiry model was valid, practise, and effective to improve students? science process skills in human digestive system. Proses pembelajaran IPA menekankan pada pemberian pengalaman belajar secara langsung untuk mengembangkan kompetensi dalam menjelajahi dan memahami alam sekitar secara ilmiah.  Pendidikan IPA diarahkan untuk inkuiri dan berbuat sehingga membantu peserta didik untuk memperoleh pemahaman yang lebih mendalam tentang alam sekitar. Penelitian pengembangan yang telah dilakukan bertujuan untuk mendeskripsikan validitas, kepraktisan, dan efektifitas perangkat pembelajaran IPA yang dikembangkan dengan model inkuiri untuk melatihkan keterampilan proses pada materi sistem pencernaan manusia. Jenis penelitian yang digunakan adalah penelitian pengembangan dengan menggunakan model pengembangan perangkat 4-D, uji coba II pada 30 siswa SMPN 2 Lamongan. Rancangan penelitian saat uji coba adalah  One Group Pretest-Posttest. Design dengan analisis data secara deskriptif. Hasil validasi menunjukkan bahwa perangkat berkualitas baik, sehingga layak digunakan dalam pembelajaran, keterlaksanaan RPP dikategorikan baik, dan aktivitas siswa sesuai dengan model pembelajaran inkuiri. Hasil belajar siswa pada uji awal (pretest) menunjukkan semua siswa tidak ada yang tuntas,  sedangkan  pada uji akhir (posttest) semua siswa tuntas. THB produk rata-rata uji awal (pretest) 49,11 dan rata-rata uji akhir (posttest) 91,11 dengan Indeks N-Gain 0,82. THB proses rata-rata uji awal (pretest) 17,46 dan rata-rata uji akhir (posttest) 93,73 dengan Indeks N-Gain 0,92. Hasil analisis N-Gain menunjukkan bahwa model pembelajaran inkuiri dapat melatihkan keterampilan proses siswa, karena hasil yang diperoleh berada pada kategori tinggi. Sensitivitas butir soal seluruhnya menunjukkan peka terhadap efek pembelajaran karena berada antara 0,3 sampai dengan 1,0. Respon siswa terhadap pembelajaran dinilai baru, menarik, dan memudahkan siswa dalam belajar. Simpulan penelitian ini adalah perangkat pembelajaran yang dikembangkan dengan model inkuiri adalah valid, praktis dan efektif untuk melatihkan keterampilan proses pada materi sistem pencernaan manusia.
PENGEMBANGAN PERANGKAT PEMBELAJARAN IPA BERBASIS 5E LEARNING CYCLE UNTUK MELATIH KEMAMPUAN BERPIKIR KREATIF SISWA SMP Saputro, Elga Hary; Rahayu, Yuni Sri; Hidayat, Muhammad Thamrin
JPPS (Jurnal Penelitian Pendidikan Sains) Vol 5, No 2 (2016)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v5n2.p1001-1008

Abstract

Science teaching and learning process in school only emphasize on the aspects accepting of knowledge, remembering, and logical thinking, while students creative thinking aspects get less attention. Teachers did not implement the teaching activity that emphasizes the creative thinking because of limited time to make teaching and learning amaterials wich can facilitate students creative thinking skill. This research aimed to produce science teaching and learning set that are feasible, practical, and effective to facilitate creative thinking skill of junior high school students. This research was conducted to implement the teaching and learning materials based on 5E Learning Cycle model. The subjects of this research was teaching and learning materials. This development research was develop using Dick-Carey?s model and try out research using one group pre-test post-test design. Try out was conducted in 7th grade students of  SMPN 6 Kediri. The data analysis technique used descriptive qualitative. The results  showed: (1) the teaching and learning set was developed feasible with good category; (2) learning implementation get good category; (3) the students more active in learning; (4) student creative thinking skill get high category gain score; (5) the students give positive response with very strong category toward teaching and learning process. Based on this results, it can be concluded that the science teaching and learning materials based on 5E Laerning Cycle model has been developed are feasible, practical, and effective to facilitate students creative thinking skill. Proses pembelajaran IPA di sekolah hanya menekankan pada aspek penerimaan pengetahuan, ingatan dan berpikir logis sedangkan aspek berpikir kreatif siswa kurang diperhatikan. Guru belum melaksanakan pembelajaran yang menekankan pada proses berpikir kreatif karena keterbatasan waktu dalam menyusun perangkat pembelajaran yang dapat melatihkan kemampuan berpikir kreatif. Penelitian ini bertujuan untuk menghasilkan perangkat pembelajaran IPA yang valid, praktis, dan efektif untuk melatihkan kemampuan berpikir kreatif pada siswa SMP. Pembelajaran ini dilakukan dengan cara menerapkan perangkat pembelajaran berbasis 5E Learning Cycle. Sasaran penelitian adalah perangkat pembelajaran. Penelitian ini merupakan penelitian pengembangan dengan model Dick-Carey dan desain ujicoba penelitian menggunakan one group pre-test post-test. Uji Coba dilaksanakan pada siswa kelas VII SMP Negeri 6 Kediri. Teknik analisis data menggunakan deskriptif kualitatif. Hasil analisis data penelitian menunjukkan bahwa: (1) perangkat yang dikembangkan valid dengan kategori baik; (2) pembelajaran terlaksana dengan kategori baik; (3) siswa lebih aktif dalam pembelajaran; (4) kemampuan berpikir kreatif menunjukkan skor N-gain berkategori tinggi; (5) Siswa memberikan respon positif dengan kategori sangat kuat terhadap pembelajaran. Berdasarkan hasil penelitian di atas, dapat disimpulkan bahwa perangkat pembelajaran IPA 5E Learning Cycle yang telah dikembangkan valid, praktis, dan efektif untuk melatih kemampuan berpikir kreatif siswa.
PENGEMBANGAN PERANGKAT PEMBELAJARAN BIOLOGI BERORIENTASI PENDEKATAN TASC (THINKING ACTIVELY IN SOCIAL CONTEKS) UNTUK MELATIHKAN KETERAMPILAN BERPIKIR KREATIF SISWA Asmara, Rani; Susantini, Endang; Rahayu, Yuni Sri
JPPS (Jurnal Penelitian Pendidikan Sains) Vol 5, No 1 (2015)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v5n1.p855-891

Abstract

Teaching and learning in school only emphasizes on the aspects of knowing and understanding. An aspect of the analysis, application, synthesis and evaluation is implemented very rarely so the teaching learning process lead to remembering aspect. This study aims to fasilitate students' creative thinking skills using a TASC oriented learning at 29 senior high school students at  X-MIA3 class using one-group pretest-posttest design.  The development of the teaching learning materials used  4D models. Based on the validator?s result the average rating 4,24, while validity og lesson plan the validator?s give an average 4,15 (feasible). The  validator?s also give the average value of materials students 4,25 (feasible). Data were analyzed qualitative descriptively in the implementation of lesson plan was in and test of student learning outcomes good results (with range 3,7-4). Tests of student learning outcomes with median 89,7. Creativel thinking skills of students showed an increase of the number of relevant answers. From the response of students, generally positive response the learning with TASC approach to facility students' creativel thinking skills.  Based on the result can be concluded that the TASC oriented learning  is feasible and can facilitate students' creativel thinking skills. Proses belajar mengajar di sekolah lebih banyak menekankan pada aspek mengetahui dan memahami. Aspek analisis, aplikasi, sintesis dan evaluasi jarang sekali dilakukan sehingga mengajarkan siswa dalam belajar hafalan. Penelitian ini bertujuan untuk melatih keterampilan berpikir kreatif siswa menggunakan perangkat pembelajaran berorientasi pendekatan TASC dengan ujicoba pada 29 siswa SMA kelas X-MIA3 dengan rancangan one group pretest-posttest, pengembangan dengan model 4D. Berdasarkan hasil validasi RPP para validator memberikan nilai rata-rata 4,24, sedangkan validitas LKS rata-rata 4,15 dengan kategori layak untuk digunakan. Para validator memberikan nilai rata-rata bahan ajar siswa 4,25 dengan kategori layak digunakan. Data hasil keterlaksanaan pembelajaran  dan tes hasil belajar dianalisis dengan deskriptif kualitatif dengan hasil keterlaksanaan pembelajaran baik (dengan rentang 3,7- 4). Tes hasil belajar siswa mengalami peningkatan rata-rata skor 89,7. Keterampilan berpikir kreatif siswa menunjukkan adanya peningkatan dari jumlah jawaban yang relevan. Siswa memberikan respon positif terhadap pembelajaran TASC untuk mengembangkan kemampuan berpikir kreatif siswa. Simpulan peneliti bahwa perangkat pembelajaran berorientasi pendekatan TASC layak untuk digunakan dan dapat melatih keterampilan berpikir kreatif siswa.
PATOGENITAS SPODOPTERA LITURA MULTIPLE NUCLEAR POLYHEDROSIS VIRUS (SPLTMNPV) YANG DILINDUNGI EKSTRAK KENCUR (KAEMPFERIA GALANGA) TERHADAP LAMA HIDUP LARVA SPODOPTERA LITURA Ainun, Irma Nur; Asri, Mahanani Tri; Rahayu, Yuni Sri
LenteraBio: Berkala Ilmiah Biologi Vol 2, No 2 (2013)
Publisher : Universitas Negeri Surabaya

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Abstract

Spodoptera litura is pest which causes leaf damage and distrub the process of photosynthesis that could result in loss of yields. This research aimed to describe the effect of adding the Kampferia galanga extract on SpltMNPV and to certain the effective concentration of Kampferia galanga extract as chemical protective material SpltMNPV of sun exposure to the length of life of S. litura larvae. The research design used was completely randomized design (CRD) with 5 treatments and 5 replications. The treatment was SpltMNPV+kaolin 1:4 which added with various concentrations of the Kampferia galanga extract 0%, 5%, 10%, 15%, and 20%. Each unit experiments used 10 S. litura larvaes. Data obtained in the form length of life of S. litura larvae were analyzed descriptively. The results showed that the treatment of SpltMNPV+kaolin 1:4 with various concentrations of Kampferia galanga extract (0%, 5%, 10%, 15%, and 20%) affected the length of life S. litura at 6 days, 6 days, 6 days, 5 days, and 5 days respectively with percentage of S. litura survive larvae at 28%, 22%, 12%, 12%, and 10% respectively. Treatment SpltMNPV + 1:4 kaolin + 15% Kampferia galanga extract was the most effective treatment in lenght of life of S. litura larvae.
Co-Authors Abadi Abadi Agustin, Rosyida Agustina Pertiwiningrum Ainun, Irma Nur Al-Najar, Husam Andini, Medina Andriani, Lutfi Tri Anisah, Fitri Nisaul Anugrah Agustina Ardella Ivana Safitri Asmara, Rani Asri, Mahanani Tri Astuti, Wahyuni Puji Atweh, Bill Aunur Rofiq Azis, Mohammad Budi Jatmiko Budiono, Djoko Cahyanti, Amin Dwi Dafa Muda Arsena Dwi Suryaningsih Dzurrotul Firdaus Elga Hary Saputro ELOK SUDIBYO Endang Susantini ENDANG SUSANTINI Endang Susantini Endarto, Otto Erman Erman Febriati, Nuzullia Dwi Fernanda Dwi Febriarti Fida Rachmadiarti Firdaus, Dzurrotul Fitriyaningsih, Sari Greatania Ines Windari Handayani, Antika Yekti Herlina Fitrihidajati Hilda Malinda Mulya Fitri I GUST MADE SANJAYA Inayah Fitri Jannah, Nurdiana K. Karimah Karimah Karunia Hidayati, Rizki K Khalil, Hadi Kirana, Tjandra Kurniawati, Devi Leny Yuanita Leny Yuanita Lestari, Naning Dwi Listyoningsih, Elmi Luspita Wahyuni Lutfiana Rakhma Ningtyas Machfiroh, Aprilianti Nindya Madlazim Madlazim Madlazim Madlazim Manasikana, Arina Maria Ulfah Mohamad Nur Mohamad Nur Muchlis Muchlis Muhammad Azimul Anshar Muhammad Thamrin Hidayat Muhammad Thamrin Hidayat MUSLIMIN IBRAHIM Mustikawati, Ratna Diyah Novita Kartika Indah Nur Azizah Nurul Fadilah, Nurul Pertiwiningrum, Agustina Pinareswati, Arlina Dwi Pradnyo Wijayanti Pramudita, Intan Cahya Prasetya, Indra Adi Wira Putra, Armansyah Putri, Rezza Khumala Hariyanto Raharjo Raharjo Rahayu, Mahmudha Dwi Rahayu, Tanaya Juwita Ramadhani, Desianes Rani Asmara Ratna Diyah Mustikawati Ratna Lestari Ratna Lestari Reni Cindra Kusuma Rohmah, Fuyudur Rosyana Rosyana Rosyana, Rosyana Rosyida Agustin Rudiana Agustini Rusly Hidayah Sabtiawan Sabtiawan Sabtiawan, Sabtiawan Samawati, Zulfa Saputro, Elga Hary Sari Kusuma Dewi Siti Nur Azizah, Siti Nur Sri Poedjiastoeti Sri Poedjiastoeti Sri Sumarti Sumarti, Sri Suryaningsih, Dwi Susiyawati, Enny Suyatno Sutoyo TITIN SUNARTI Tjandra Kirana Tjandrakirana, Tjandrakirana Trimulyono, Guntur Trisanti, Novita Umah, Elviadian Nadzimatul Umrotun Faridah Uzma, Irakiya Ainun Wahyuni Puji Astuti Wahyuni, Luspita Wulida Mamluatul Faza Yuliani Yuliani Yuliani, Yuliani Zulfa Samawati