92 research outputs found

    Bio-physicochemical Markers of the Aedes Aegypti Breeding Water in Endemic and Non-endemic Area

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    The survival of Aedes aegypti larvae is inseparable from the adequacy of food, including organic substances available in the breeding water. It is very dependent on the level of water markers such as temperature, salinity, Dissolved Oxygen, and pH. The study used quantitative observational analytic with a case-control study design. Case group has consisted of breeding water in endemic area and control group was in non-endemic area. The sample size was 43 samples for each group, collected by purposive sampling technique. Data were analyzed by Chi-square and Mann-Whitney test. Larvae mostly presence in endemic area (68.3%) and mostly absent in non-endemic area (85.4%) (p-value = 0.002). Temperature in endemic area mostly in 27-30oC (86%) and non-endemic area mostly in <27oC or >30oC (72.1%) (p-value = 0.000). Salinity in endemic and non-endemic areas has no difference (p-value = 0.266). DO in endemic areas were mostly in 5.02-7.82 mg/l (76.7%). While DO in non-endemic area was mostly in <5.02 mg/l or >7.82 mg/l (95.3%) (p-value = 0.001). The pH <6 or >7.8 is mostly in non-endemic areas (87.8%) and pH 6-7.8 is mostly in endemic areas (63.4%) (p-value = 0.000). Bio-physicochemical markers of breeding sites water have differences between endemic and non-endemic area except salinity. The temperature, salinity, DO, and pH affected the presence of larvae and the most affected is DO marker. While the marker that affected the presence of larvae in the non-endemic area is pH

    Improving the Eighth Gradestudents\u27ability in Writing Simple Descriptive Paragraph Through Mind Mapping Technique

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    This research was conducted in order to prove whether the use of mind mapping technique was effective or not to improve writing ability in descriptive paragraph of the eighth grade students at SMP Negeri 2 Rio Pakava. It used pre- experimental research design. She took class VIII C to be the sample by using purposive sampling technique. The data of the research were collected by using observation and test. The result of observation was analyzed descriptively; meanwhile the test was analyzed statistically. The test divided into two; pre-test and post- test that were given. Based on the result of pre- test and post- test, it was found that the tcountedwas 19.9 by applying 0.05 level of significance with 27 degree of freedom (df= 28-1=27), we gotttablevalue of 1.703. It shows that the tcountedvalue is higher than the ttable. It means that the use of mind mapping technique can improve the writing ability in descriptive paragraph of the eighth grade students at SMP Negeri 2 Rio Pakava

    Perbedaan Perkembangan Bahasa Pada Anak Prasekolah Ditinjau Dari Pola Asuh Orang Tua Di Tk Pertiwi 53 Geblag Bantul YOGYAKARTA

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    Penelitian ini menggunakan metode observasional atau noneksperimen dengan pendekatan waktu cross sectional. Rancangan penelitian ini adalah studi perbandingan, yaitu membandingkan atau membedakan perkembangan bahasa pada anak prasekolah ditinjau dari pola asuh orang tua. Sampel sebanyak 63 responden diambil dengan teknik simple random sampling. Pengambilan data dilakukan dengan tes perkembangan bahasa anak prasekolah dan kuesioner pola asuh orang tua yang telah diuji validitas dan reliabilitasnya. Pengujian validitas menggunakan rumus Product Moment, sedangkan reliabilitasnya menggunakan Cronbach Alpha dengan hasil Alpha = 0,9049.             Data dianalisis menggunakan uji Analysis of Variance (Anova). Hasil penelitian menunjukkan ada perbedaan yang signifikan antara perkembangan bahasa pada anak prasekolah ditinjau dari pola asuh orang tua di TK Pertiwi 53 Geblag Bantul Yogyakarta tahun 2008 (F = 11,012; p = 0,000 atau p < 0,01). Analisis data dengan menggunakan Post Hoc Test “Multiple Comparison” dan t-test didapatkan hasil bahwa pola asuh demokratis adalah pola asuh orang tua yang paling baik. Oleh karena itu disarankan kepada orang tua untuk menerapkan pola asuh demokratis dan untuk guru TK disarankan mengajar anak didiknya menggunakan cara demokratis, sehingga perkembangan bahasa anak menjadi lebih baik

    Pengaruh Investment Opportunity Set (Ios) Dan Kepemilikan Manajerial Terhadap Nilai Perusahaan Pada Perusahaan Property Dan Real Estat Di Bursa Efek Indonesia

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    This study aimed to: determine the effect of Investment Opportunity Set used price proxy (CAPBVA) and Investment Proxy (MVBVE) and Managerial Structure on Company Value at Property and Real Estate Company listed on the Indonesia Stock Exchange in 2010-2013. The research method used is causal. Sampling method used purposive sampling with 120 data from 30 Property and Real Estate company listed in IDX. Dependent variable and independent variables measured by the ratio scale. Data analysis was performed by multiple linar regression include descriptive analysis, Classic Assumtion and Hipothesis Test. The results of these research are independent variables IOS (CAPBVA and MVBVE) significant effect on Company Value, while Managerial Structure no significant effect on Company Value

    Pengaruh Permainan Scrabble terhadap Peningkatan Kemampuan Membaca Anak Disleksia

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    Penelitian ini bertujuan untuk mengetahui pengaruh permainan scrabble terhadap peningkatan kemampuan membaca anak disleksia. Subjek dalam penelitian ini adalah dua siswa dari Madrasah Ibtida'iyah yang memiliki kesulitan belajar membaca atau disleksia. Metode penelitian yang digunakan adalah single-case experimental design dengan pola desain A-B-A. Alat pengumpul data yang digunakan adalah berupa tes kemampuan membaca. Data yang diperoleh kemudian dianalisis menggunakan metode analisis visual Conservative Dual-Criterion untuk mengetahui Perubahan dan peningkatan kemampuan membaca setelah mendapat perlakuan berupa permainan scrabble. Hasil penelitian menunjukkan bahwa adanya peningkatan kemampuan membaca yang lebih efektif pada subjek kedua dibanding subjek pertama. Subjek kedua diperoleh hasil Perubahan kemampuan membaca sebesar enam poin, sedangkan subjek pertama diperoleh hasil Perubahan kemampuan membaca sebesar tiga poin. Berdasarkan hasil penelitian dapat disimpulkan bahwa permainan scrabble berpengaruh terhadap peningkatan kemampuan membaca anak disleksia

    Sifat-Sifat Tanah Yang Mempengaruhi Perkembangan Patogen Tular Tanah Pada Tanaman Tembakau

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    Soil Characteristics which Induce Soil-Borne Pathogens of TobaccoSoil is naturally inhibited by many types of microorganisms, either pathogenic or non pathogenic. Information about soil factors that induce the development of soil-borne pathogens on tobacco plant is still limited. This paper describes various types of soil-borne pathogens, soil factors affecting pathogens, and strategy to control them. Soil-borne pathogens cause significantly loss on tobacco yield. The loss of tobacco yield due to soil-borne pathogens is about 50% (equal to 11.1 billion rupiahs per hectare). Three most important soil-borne pathogens on tobacco are Ralstonia solanacearum, Phytophthora nicotianae, and Meloidogyne spp. They may synergistically cause more severe lost on tobacco plants. Soil factors affecting development of these pathogens are pH, temperature, and soil texture, as well as soil organic matter and soil nutrients. Two of these, i.e. organic matters and soil nutritions, are the most important factors determining development of soil-borne pathogens on tobacco plantation. Therefore, the strategy to control soil-borne pathogens is by increasing organic matters up to 22.5 tons/ha and soil nutrition such as P uptake. Both factors are effective in reducing soil-borne incidence as well as increasing tobacco yield up to 40%
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