Lisdiana -
Department of Biology, FMIPA, Semarang State University, Indonesia

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PENGEMBANGAN MEDIA DIGITAL GAMES BASED LEARNING (DGBL) PADA PEMBELAJARAN SISTEM REPRODUKSI MANUSIA DI SMP

Journal of Biology Education Vol 2 No 1 (2013)
Publisher : Journal of Biology Education

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Abstrak ___________________________________________________________________ Penelitian ini bertujuan untuk mengkaji proses pengembangan dan keefektifan media DGBL pada pembelajaran sistem reproduksi manusia di SMP. Penelitian ini merupakan penelitian Research and Development (R&D). Ada dua tahapan dalam penelitian ini, yaitu tahap proses pengembangan media DGBL (identifikasi potensi dan masalah, pengumpulan data, desain produk, validasi desain, revisi desain, uji coba skala kecil, dan revisi produk) dan uji efektivitas (uji pemakaian, revisi produk, dan produk akhir). Hasil penelitian menunjukkan bahwa 80,39% siswa nilainya≥ 75; 86,27% siswa minatnya baik;dan 82,35% siswa sangat aktif. Simpulan penelitian ini adalah media DGBLefektif dan layak digunakan sebagai media pembelajaran pada materi sistem reproduksi manusia di SMP.   Abstract ___________________________________________________________________ The study aimed to analyze the process of development and effectiveness of DGBL media on human’s reproduction materials at Junior High Schools. This was Research and Development (R&D) work. There were  two steps in conducting this research, the first one was the process of developing DGBL media (potential and problem identification, data collection, product design, design validation, limited scale trial, and product revising). The second one was its effectiveness tests (test of use, product revising, dan final product). In this  study the effectiveness was measured  by  more than 75% of total students  who gained grade score ≥ 75, who had  good interest in learning, and who were very active. According to the result of the study the DGBL media was effective and feasible as  the learning media in the human’s reproduction material at  Junior High School..

PEMBELAJARAN SISTEM REPRODUKSI MANUSIA BERBASIS EDUTAINMENT DENGAN TUTOR SEBAYA DI SMP TEUKU UMAR SEMARANG

Journal of Biology Education Vol 2 No 1 (2013)
Publisher : Journal of Biology Education

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Abstrak ___________________________________________________________________ Tujuan Penelitian ini adalah untuk mengetahui apakah pembelajaran sistem reproduksi manusia berbasis edutainment dengan tutor sebaya efektif diterapkan di SMP Teuku Umar Semarang. Rancangan penelitian yang digunakan adalah experimental design, dengan desain group-post- tes-only design. Populasi dalam penelitian ini adalah  siswa kelas IX SMP Teuku Umar Semarang yang berjumlah 244 siswa. Sampel diambil 2 kelas yaitu kelas IX-3 (eksperimen) dan IX-2 (kontrol) dengan teknik pengambilan sampel secara “Purposive sampling”. Hasil penelitian menunjukkan bahwa hasil belajar siswa 97% telah melampaui KKM ≥70. Rata- rata aktivitas siswa mencapai 82% siswa aktif dalam pembelajaran. Rata-rata aktivitas tutor sebaya mencapai 90% (sangat tinggi) dalam pembelajaran. Siswa dan guru memberikan tanggapan positif terhadap  pembelajaran sistem reproduksi manusia berbasis edutainment dengan tutor sebaya. Sehingga dapat disimpulkan bahwa pembelajaran berbasis edutainment dengan tutor sebaya efektif diterapkan pada materi sistem reproduksi manusia di SMP Teuku Umar Semarang.     Abstract ___________________________________________________________________ The aim of this research was to know the effectiveness of human reproductive system learning based on edutainment by peer fasilitator. This research used experimental design group posttest only types. Population of this research were student of IX grades from SMP Teuku Umar Semarang (244 student). Samples selected by purposive sampling methods, IX-3 for experimental class and IX-2 for control class. The result shown that student achievement was 97% fulfilled of KKM ≥ 70. The average of the students activities in learning was 82% active. Peer fasilitators activities average was 90% (very high). Teachers and student gives positive responses for learning in the human reproductive system topic based on edutainment by peer fasilitator. Conclution of this research was the learning bayed on edutainment by peer fasilitator can be applied on the human circulatory systems lesson at SMP Teuku Umar Semarang.

PENERAPAN MODEL PEMBELAJARAN PICTURE AND PICTURE BERBANTUAN SPESIMEN PADA MATERI INVERTEBRATA

Journal of Biology Education Vol 2 No 3 (2013)
Publisher : Journal of Biology Education

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The aim of research determine difference between learning outcomes and student activity using learning model Picture and Picture assisted specimens on material Invertebrates. Research of design use one shoot case study. The sample was class X-1 and X-2 determined Total Sampling technique. The independent variable was learning model used Picture and Picture helped Invertebrates specimens, while dependent of variable was learning outcomes (LKS score and final exam score) and student activities. The activity student learning in classical style in class X-1 was 88% and X-2  was 86%. The cognitive learning outcomes students used  classical style in class X-1 was  93,78% and class X-2 was 88,8%. The outcomes data teacher performance in class X-1 and X-2 was very good, both classes indicated average grade of 15. The students response in class X-1 was 85.1% while in class X-2 was 93,8%. Teaching response toward method showed interest and agree using LKS models Picture and Picture helped Invertebrates specimens  appicated this study.The conclusions this study is application learning models Picture and Picture helped Invertebrates specimens method can increase activity students in classical style was 87% and student learning outcomes in classical style was 86.33% apply in senoir high school of Teuku Umar Semarang. Penelitian ini bertujuan untuk mengetahui perbedaan hasil belajar dan aktivitas siswa dengan menggunakan model pembelajaran picture and picture berbantuan spesimen pada materi invertebrata. Desain penelitian ini one shoot case study. Sampel penelitian ini yaitu siswa kelas X-1 dan X-2 yang ditentukan dengan teknik total sampling. Variabel bebas berupa model pembelajaran Picture and Picture berbantuan spesimen Invertebrata, sedangkan variabel terikat berupa hasil belajar (nilai LKS dan nilai akhir) dan aktivitas siswa. Hasil belajar kognitif siswa secara klasikal kelas X-1 sebesar 93,78% dan kelas X-2 sebesar 88,88. Aktivitas siswa secara klasikal pada kelas X-1 sebesar 88% dan X-2 sebesar 86%.. Kinerja guru pada kelas X-1 dan X-2 sangat baik. Tanggapan siswa kelas X-1 sebesar 85,1% dan kelas X-2 sebesar 93,8%. Tanggapan guru menunjukkan bahwa guru tertarik dan setuju menggunakan media LKS dengan model Picture and Picture berbantuan spesimen Invertebrata yang diterapkan dalam proses pembelajaran. Simpulan penelitian ini adalah penerapan model pembelajaran Picture and Picture berbantuan spesimen pada materi Invertebrata dapat meningkatkan aktivitas siswa secara klasikal sebesar 87% dan hasil belajar siswa secara klasikal sebesar 86,33% di SMA Teuku Umar Semarang.  

PERSEPSI SISWA KELAS XII SMA NEGERI TERHADAP LEMBAGA BIMBINGAN BELAJAR

Journal of Biology Education Vol 1 No 1 (2012)
Publisher : Journal of Biology Education

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Pemberian Ekstrak Benalu Mangga terhadap Perubahan Histologis Hepar Tikus yang Diinduksi Kodein

Biosaintifika: Journal of Biology & Biology Education Vol 6, No 2 (2014): September 2014
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

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Benalu mangga mengandung senyawa kuersetin yang bertindak sebagai hepatoprotektor. Kodein merupakan jenis alkaloid dan banyak digunakan sebagai obat. Oversdosis kodein dapat menyebabkan kerusakan hepar. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian ekstrak benalu mangga terhadap perubahan histologis hepar tikus yang diinduksi kodein. Sebanyak 20 ekor tikus wistar jantan dibagi menjadi 5 kelompok (K0, K, KB1, KB2, dan KB3). Kelompok K0 hanya diberi minum dan pakan standar, kelompok K diberi kodein 12mg/ekor selama 7 hari, selanjutnya hanya diberi pakan dan minum standar. Kelompok KB1 diberi kodein 12mg/ekor selama 7 hari dilanjutkan ekstrak benalu mangga 22mg/ekor sampai hari ke 21, kelompok KB2 diberi kodein 12mg/ekor selama 7 hari dilanjutkan ekstrak benalu mangga 44mg/ekor sampai hari ke 21, dan kelompok KB3 diberi kodein 12mg/ekor selama 7 hari dilanjutkan ekstrak benalu mangga 88mg/ekor sampai hari ke 21.Hari ke-27 semua tikus dibedah, diambil heparnya dan dibuat preparat histologi dengan pengecatan HE.Hasil penelitian kelompok K0 menunjukkan perubahan histologis hepar bermakna (p<0,05) antara K,KB1, KB2, dan KB3, sedangkan kelompok K tetapi tidak menunjukan perubahan bermakna (p>0,05) antara K,KB1, KB2, dan KB3. Pada kelompok K kerusakan struktur hepar meliputi inflamasi perportal dan degenerasi sedangkan pada kelompok KB1, KB2, dan KB3 kerusakan meliputi inflamasi periportal,degenerasi, dan nekrosis.Mangos mistletoes contain quercetin, a hepatoprotector. Codein is a type of alkaloids widely used as drug. Codein overdose can damage the liver. The objective of the study was know the effect of the administration of extract of mangos mistletoes on the changes of liver histology of codein-induced rats. As many as 20 male wistar rats were divided into 5 groups (K0, K, KB1, KB2, and KB3). K0 group were given only standard diet and water daily. K group were given codeine at 12mg/rats for 7 days, and afterwards they were given only standard diet and water daily. KB1 group were given codeine at 12mg/rats for 7 days and then were given extract of mangos mistletoes at 22 mg/rats until day 21, KB2 group were given codeine at 12mg/rats for 7 days and then were given extract of mangos mistletoes at 44 mg/rats until day 21, and KB3 group were given codeine at 12mg/rats for 7 days and were given extract of mangos mistletoes at 88 mg/rats until day 21. At day 27, all rats were killed, the livers were taken out for preparations with HE staining for histology examination. Research showed that K0 group was significantly different (p <0.05) to K, KB1, KB2, and KB3 groups, whereas K group was not significantly different to KB1, KB2 and KB3 groups. Rats in K group showed the changes in histological appearance such as periportal inflammation and degeneration, whereas rats in KB1, KB2, KB3 groups showed similar histological appearance but with necrosis.

Description of Skin Anatomical Structures of Wistar Rats Exposed to X-Rays Radiation

Biosaintifika: Journal of Biology & Biology Education Vol 7, No 1 (2015): March 2015
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

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The research was aimed to find out a profile of an anatomical structure of the Rattus norvegicus skin after exposed to X-ray radiation. Research was performed by treating the 20 Rattus norvegicus at the age of 1.5 months. The weight rats were weighed approximately 100 13 g grouped into four treatments with different dose of X-ray radiation. The four treatments were 0 mgy (control), 50 mgy, 100 mgy, and 150 mgy X-ray radiation. The variable in this research was a dose of X-ray radiation and the anatomical structure of the rattus norvegicus skin. The data obtained were analyzed with qualitative description. The research results after exposure of X-ray radiation for 5-days showed that there was no damage on the skin macroanatomy. Whereas, the observation in the skin microanatomy showed that there was a damage, e.g. thinning of the epidermis, cell picnosys, cell injury, and hemoragic. The result indicated that the different dose of X-ray radiation affected the skin anatomy structure. The X-ray radiation exposure at 100 mGy on skin microanatomy were caused a thinning of the epidermis in stratum corneum layer, picnosys on the nucleus, cell injury and hemoragic.Penelitian ini bertujuan untuk mengetahui gambaran struktur anatomi kulit tikus (Rattus norvegicu) strain Wistar setelah terpapar radiasi sinar-X. Sebanyak 20 ekor tikus umur 1,5 bulan dengan berat badan sekitar 100 13 gram dikelompokkan ke dalam 4 perlakuan yaitu perlakuan dosis radiasi sinar-X sebesar 50 mGy, 100 mGy dan 150 mGy serta 1 kelompok kontrol. Paparan radiasi dilakukan selama 5 hari. Variabel penelitian ini adalah dosis paparan radiasi sinar-X dan struktur anatomi kulit. Data yang diperoleh dianalisis secara deskriptif kualitatif. Hasil penelitian menunjukkan bahwa secara makroanatomi kulit tikus tidak terlihat kerusakan, tetapi secara mikroanatomi terdapat kerusakan berupa penipisan epidermis, piknosis sel, jejas sel, dan hemoragik. Hal tersebut dikarenakan besarnya dosis radiasi mempengaruhi terhadap perubahan struktur anatomi kulit. Paparan radiasi sinar-X dosis 100 mGy, menimbulkan kerusakan kulit tikus secara mikroanatomi berupa penipisan epidermis dilapisan stratum korneum, piknosis inti, jejas sel dan hemoragik.

REGULASI KORTISOL PADA KONDISI STRES DAN ADDICTION

Biosaintifika: Journal of Biology & Biology Education Vol 4, No 1 (2012): March 2012
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

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Stres adalah suatu kondisi dimanan tuntutan yang harus dipenuhi melebihi kemampuan yang dimilikinya, penyebab stres dinamakan stresor. Stres dapat terjadi akibat ketidakmampuan seseorang dalam merespon suatu stresor, sehingga dapat mengakibatkan gangguan badan atau jiwa. Addiction adalah suatu dorongan yang kuat, seperti dipaksakan untuk mengulangi suatu perbuatan tertentu meskipun tahu akan berakibat merugikan. Stress dan adicction akibat penyalahgunaan narkotika akan direspon oleh Hipotlamus-Pituitary-Adrenalin (HPA-axis), sehingga menye-babkan kadar hormon kortisol akan meningkat. Desain penelitian adalah Quasi-Eksperimental dengan Randomized Control Pretest-Postest Design Dengan subyek penelitian 22 Addict recovery yang memenuhi kriteria inklusi dan eksklusi di Balai Kasih Sayang Pamardisiwi BNN Jakata.Variabel yang diukur adalah hormone yang disekresikan oleh HPA-axis, yakni hormon kortisol. Pemeriksaan kadar kortisol dengan menggunakan Radioimmunoassay (RIA). Hasil penelitian menunjukkan kadar kortisol pada Addict recovery yang menjalani rehabilitasi sebesar 9,2 – 13,97 µg/dl dan 16,5-16,9 µg/dl pada Addict recovery yang tidak menjalani rehabilitasi. Hal ini dapat disimpulkan bahwa terjadi perubahan hormone yang disekresikan HPA-axis pada kondisi stress dan addiction. Stress is a condition where the demands to be met is beyond the capabilities of a person, and something that causes a stress is called stressor. Stress can occur as a result of the inability of a person in responding a stressor, and the stress can cause physical or mental disorders. Addiction is a strong drive, forced to repeat a particular action even it is known that it will harm the body. Stress and adicction to drug abuse will be responded by the hypothalamus-pituitary-adrenalin (HPA-axis), causing the levels of the hormone cortisol to rise. The study design was a randomized Quasi-Experimental Control Pretest-posttest design with 22 addict recovery study subjects who meet the inclusion and exclusion criteria in the National Narcotics Agency Jakarta.The variabel to be measured was cortisol secreted by the HPA-axis. The examination of the cortisol levels was using a radioimmunoassay (RIA). The results showed that the cortisol levels in the addict recovery subjects with and without rehabilitation were 9.2 to 13.97 mg / dl and 16.5 to 16.9 mg / dl, respectively. It was concluded that the levels of cortisol, secreted by HPA-axis in conditions of stress and addiction, have lowered.