676 research outputs found

    Pengaruh Permainan Truth or Dare pada Model Pembelajaran Problem Based Learning secara Daring terhadap Hasil Belajar Peserta Didik Kelas XI MIPA SMA Negeri 7 Pinrang (Studi pada Materi Pokok Larutan Penyangga)

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    ABSTRAKPenelitian ini merupakan penelitian eksperimen semu yang bertujuan untuk mengetahui pengaruh permainan truth or dare pada model pembelajaran problem based learning terhadap hasil belajar peserta didik kelas XI MIPA SMA Negeri 7 Pinrang pada materi pokok larutan penyangga. Desain penelitian yang digunakan adalah posttest only control design. Populasi penelitian ini adalah peserta didik kelas XI MIPA SMA Negeri 7 Pinrang yang terdiri dari lima kelas. Pengambilan sampel dilakukan secara acak, kelas XI MIPA 4 sebagai kelompok eksperimen dan kelas XI MIPA 2 sebagai kelompok kontrol yang masing-masing berjumlah 25 orang. Instrumen yang digunakan adalah tes objektif pilihan ganda sebanyak 24 item. Pengumpulan data dilakukan dengan pemberian posttest pada kelompok eskperimen dan kelompok kontrol. Analisis data dilakukan dengan menggunakan analisis statistik deskriptif dan inferensial. Hasil analisis menunjukkan bahwa nilai rata-rata hasil belajar peserta didik kelompok eksperimen 74,24 lebih tinggi dibandingkan kelompok kontrol yaitu 45,8. Hasil analisis statistik inferensial terhadap hasil belajar peserta didik menunjukkan bahwa data kelompok eskperimen dan kelompok kontrol berasal dari populasi yang homogen tetapi tidak terdistribusi normal. Hasil uji hipotesis  Mann-Whitney dengan α = 0,05 menunjukkan bahw Zhitung > Ztabel (6,06 > 1,64). Berdasarkan data tersebut, dapat disimpulkan bahwa ada pengaruh permainan truth or dare pada model pembelajaran problem based learning terhadap hasil belajar peserta didik kelas XI MIPA SMA Negeri 7 Pinrang pada materi larutan penyangga.Kata Kunci : truth or dare, problem based learning, hasil belajar, larutan penyanggaABSTRACTThis research is a quasi-experimental study which aims to determine the effect of the game of truth or dare on the problem based learning model on the learning outcomes of students in class XI MIPA SMA Negeri 7 Pinrang on the subject matter of buffer solution. The research design used was a posttest only control design. The population of this study were students of class XI MIPA SMA Negeri 7 Pinrang which consisted of five classes. Sampling was carried out randomly, class XI MIPA 4 as the experimental group and class XI MIPA 2 as the control group, each of which consisted of 25 people. The instrument used was a multiple choice objective test of 24 items. Data was collected by giving posttest to the experimental group and the control group. Data analysis was performed using descriptive and inferential statistical analysis. The results of the analysis showed that the average value students' learning outcomes of experimental group was 74,24 higher than the control group namely 45,8. The results of inferential statistical analysis on student learning outcomes showed that the experimental group and control group data from a homogeneous population but not normally distributed. The results of the Mann-Whitney hypothesis test with = 0.05 showed that Zcount > Ztable (6,06 > 1,64). Based on these data, it can be concluded that there is an effect of the game of truth or dare on the problem based learning model on the learning outcomes of students in class XI MIPA SMA Negeri 7 Pinrang on the buffer solution material.Keywords : truth or dare, problem based learning, learning outcomes, buffer solution

    Pengaruh Pemberian Kuis di Awal Pembelajaran pada Model Discovery Learning terhadap Hasil Belajar Peserta Didik Kelas XI MIA SMA Negeri 1 Gowa (Studi pada Materi Pokok Larutan Penyangga)

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    Penelitian ini adalah penelitian eksperimen semu yang bertujuan untuk mengetahui pengaruh pemberian kuis di awal pembelajaran dalam model dicovery learning terhadap hasil belajar peserta didik kelas XI MIA SMA Negeri 1 Gowa pada materi pokok larutan penyangga. Desain penelitian yang digunakan adalah posttest only control group design. Variabel bebas dalam penelitian ini adalah pemberian kuis di awal pembelajaran pada model discovery learning dan model discovery learning tanpa pemberian kuis di awal pembelajaran, sedangkan variabel terikatnya adalah hasil belajar peserta didik. Populasi dalam penelitian ini adalah seluruh peserta didik kelas XI MIA SMA Negeri 1 Gowa yang terdiri dari delapan kelas. Sampel penelitian ini adalah kelas XI MIA2 sebagai kelas eksperimen dan kelas XI MIA4 sebagai kelompok kontrol yang ditentukan dengan metode simple random sampling. Data hasil penelitian diperoleh melalui hasil posttest berupa soal objektif materi larutan penyangga. Data hasil posttest dianalisis dengan menggunakan statistik deskriptif dan statistik inferensial. Hasil pengujian hipotesis menggunakan uji-t dengan α = 0,05 menunjukkan thitung > ttabel (4,49 > 1,67) dapat disimpulkan bahwa H0 ditolak dan H1 diterima berarti ada pengaruh pemberian kuis di awal pembelajaran dalam model discovery learning terhadap hasil belajar peserta didik kelas XI MIA SMA Negeri 1 Gowa pada materi pokok larutan penyangga. Kata kunci: Kuis di Awal, discovery learning, dan hasil belajar ABSTRACT This reserch was a quasi-experiment aiming at examining the effect of giving quizzes at the beginning of dicovery learning model-based learning on the learning outcomes of the eleventh grade students of Mathematics and Natural Science Class at State Senior High School 1 Gowa on the subject of buffer solution. The research design employed was the post test only control group design. The independent variables in this study were the giving of quizzes at the beginning of learning in the discovery learning model and the discovery learning model without the quiz giving at the beginning of learning, while the dependent variable was the learning outcomes of students.The population in this study were all of the eleventh grade students of Mathematics and Natural Science Class at State Senior High School 1 Gowa encompassing eight classes. The samples taken in this study were class XI MIA2 as the experimental group and class XI MIA4 as the control group determined by the simple random sampling method. The research data were collected from the posttest results in the form of objective questions about buffer solution material. The post-test data were analyzed by employing descriptive and inferential statistics. The hypothesis testing results utilizing t-test with α = 0.05 revealed that tcount> ttable (4,49 > 1,67) which can be concluded that H0 was rejected and H1 was accepted meaning there was an influence of giving quizzes at the beginning of discovery learning model-based teaching on the learning outcomes of the eleventh grade students of Mathematics and Natural Science Class at State Senior High School 1 Gowa on the subject of buffer solution. Keywords: Quiz at the beginning, discovery learning, learning outcom

    MOBILE LEGEND PLAYERS' UNDERSTANDING OF REGISTER VOCABULARY IN MOBILE LEGENDS GAME AND STRATEGY

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    Online games manifest the development of modern technology in this world. One such MOBA game is Mobile Legends Bang Bang. This game is played by controlling one of the so-called characters' heroes from the list of heroes they already have. Teamwork is a key in this game. Every hero has different skills from each other. In this study, the researcher tends to investigate different findings. One thing distinguishing this study from previous research is the different scope in the games analyzed. In this study, the researcher focused on the perceptions of online gamers in understanding registers in mobile legends games. The purpose of this study was to find out how far do mobile legends players understand the register and the strategies for understanding the register in the mobile legend game. In addition, Preliminary data evidence this problem, showing that only about 10% of mobile legends players understand what register means and what it means, and how to use it. Meanwhile, nine other people (90%) did not know this. Besides, they have never studied the meaning behind the word register in the mobile legend. Most try to imitate but do not know the meaning and use the registered word in the conversation. In this study, the researcher conducted qualitative method. n this qualitative method, researchers employ questionnaire and interview techniques. The result of questioner, the researcher found that out of 100 respondents, 44.95% answered Yes (knows), and 55.05% answered No (do not know). The results of interviews, the researcher also succeeded in finding solutions and strategies used by the respondents in understanding the register vocabulary in the Mobile Legends game. The first solutions and strategies are they try to find the meaning and correct spelling of the sentence on Google translates. Second, they usually ask other players when there is registered vocabulary they do not know. Third, they also sometimes watch pro player videos on YouTube

    Isolasi dan Identifikasi Senyawa Metabolit Sekunder Ekstrak Metanol Kulit Batang Kayu Jawa (Lannea coromandelica (Houtt.) Merr)

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    ABSTRAK Penelitian ini adalah penelitian eksplorasi yang bertujuan untuk mengisolasi dan mengidentifikasi senyawa metabolit sekunder dari ekstrak metanol Kulit Batang Kayu Jawa. Penelitian ini dilakukan melalui beberapa tahap yaitu maserasi dengan metanol, partisi dengan n-heksan, fraksinasi, pemurnian, dan identifikasi. Hasil penelitian berupa isolat murni berbentuk serbuk berwarna putih. Isolat memeberikan hasil positif terhadap pereaksi Wagner dan Meyer. Berdasarkan hasil uji pereaksi serta analisa data spektrum IR menunjukkan bahwa isolat yang diperoleh merupakan golongan senyawa alkaloid dengan titik leleh 138,1oC. Kata kunci : lannea coromandelica (Houtt) Merr, senyawa alkaloid ABSTRACT This study is exploratory research that aimed to isolate and identifie the secondary metabolite compound from methanol extract of Kayu Jawa bark. This research was carried out in several steps, they were maceration with methanol, partition with n-hexane, fractination, purification and identification. The result was pure isolate in white powder. The isolate gave positive result to both wagner and meyer reagent test. Based on reagent test and IR spectral data analysis showed that isolate is group of alkaloid compounds with a melting point 138,10C. Keywords : lannea coromandelica (Houtt) Merr, alkaloid compoun

    Pengaruh penggunaan Scrapbook dalam Model Problem Based Learning terhadap Hasil Belajar Peserta Didik Kelas XI IPA SMAN 14 Gowa (Studi pada Materi Pokok Sistem Koloid)

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    Penelitian ini adalah penelitian eksperimen semu yang bertujuan untuk mengetahui pengaruh penggunaan scrapbook pada model problem based learning terhadap hasil belajar peserta didik kelas XI IPA SMAN 14 Gowa tahun pelajaran 2018/2019 pada materi pokok sistem koloid. Kelas yang terpilih sebagai sampel penelitian yaitu kelas XI IPA 3 sebagai kelompok eksperimen dan kelas XI IPA 4 sebagai kelas kontrol. Dalam penelitian ini, sebagai variabel bebas adalah model problem based learning dengan penggunaan scrapbook dan model problem based learning tanpa penggunaan scrapbook . sedangkan sebagai variabel terikat adalah hasil belajar peserta didik. Data yang diperoleh dianalisis dengan menggunakan statistik deskriptif dan statistik inferensial. Hasil analisis prasyarat statistik inferensial terhadap posttest hasil belajar menunjukkan bahwa data pada kelompok eksperimen dan kontrol tidak terdistribusi normal serta memiliki varians yang homogen. Uji non-parametrik uji Mann-whitney dengan α = 0,05 dan dk= 4 dan diperoleh zhitung > ztabel ( 1,85>1,64) sehingga dapat disimpulkan bahwa H0 ditolak dan H1 diterima berarti ada pengaruh penggunaan scrapbook pada model problem based learning terhadap hasil belajar peserta didik kelas XI IPA SMAN 14 Gowa pada materi pokok sistem koloid. Kata kunci: PBL, scrapbook, hasil belajar ABSTRACT This research was quasi-experimental research that aimed to know The Effect of using Scrapbook on Problem Based Learning Model toward student achievement in class XI IPA SMAN 14 Gowa in academic year 2018/2019 on subject matter Colloidal System. Classes selected as research samples were class XI IPA 3 as experimental group and XI IPA 4 as control group. Problem based learning model with scrapbook and problem based learning model without scrapbook as the independent variables. Meanwhile, student achievement as the dependent variables. The data obtained were analyzed using descriptive statistic and inferential statistic. The result of inferential statistic prerequisite analysis on posttest of student achievement showed that the data in the experimental group and control group wasn’t normally distributed and data has homogeneous variance. The non-parametric test of Mann-Whitney test with α = 0,05 and dk= 4 and obtained Zcalculated>Ztable (1,85 > 1,64). It can be conclude than H0 rejected and H1 acccepted which means there was an effect of using scrapbook on Problem Based Learning model toward student achievement in class XI IPA SMAN 14 Gowa of subject matter colloidal system. Keywords: PBL, scrapbook, student achievemen

    Isolasi dan Identifikasi Senyawa Metabolit Sekunder Ekstrak n-heksana Tumbuhan Meniran (Phyllanthus niruri Linn.)

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    ABSTRAKPenelitian ini adalah penelitian eksplorasi yang bertujuan untuk mengisolasi dan mengidentifikasi senyawa metabolit sekunder ekstrak n-heksana dari tumbuhan Meniran. Penelitian ini dilakukan melalui beberapa tahap, diantaranya preparasi, ektraksi dengan metode maserasi, partisi, fraksinasi, pemurnian, dan identifikasi. Hasil penelitian berupa dua senyawa kristal putih berbentuk jarum. Senyawa A positif terhadap pereaksi FeCl3 dan senyawa B positif terhadap pereakasi Lieburmann-Buchard. Berdasarkan hasil uji pereaksi dan data FTIR dan UV-Vis, menunjukkan bahwa senyawa A adalah Flavonoid dan senyawa B adalah terpenoid. Kata kunci: Isolasi, P. niruri Linn., Flavonoid dan Terpenoid ABSTRACTThis study is exploratory research that aim to isolate and identify the secondary metabolite compound of n-hexane extract of Meniran plant. This research was carried out in several steps; they were preparation, extraction of sample with maceration, partition, fractionation, purification and identification. The result were two needle white crystal. Compound A positive to FeCl3 reagent, while compound B positive to Liebermann-Burchard reagent. Base on the reagent test and FTIR and UV-Vis data, showed that the compound A is flavonoid and compound B is terpenoid. Keyword: Isolation, P. niruri Linn., Flavonoid and Terpenoi

    Isolasi Dan Identifikasi Senyawa Metabolit Sekunder Ekstrak Kloroform Daun Tumbuhan Tembelekan (L. Camara Linn.)

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    ABSTRAKPenelitian ini bertujuan untuk mengisolasi dan mengidentifikasi senyawa metabolit sekunder yang terdapat dalam ekstrak kloroform daun tumbuhan tembelekan (L. Camara Linn.). Penelitian ini dilakukan melalui beberapa tahap diantaranya ekstraksi, fraksinasi, pemurnian dan identifikasi. Hasil penelitian diperoleh isolat berupa pasta berwarna putih sebanyak 3,15 mg, pada uji golongan dengan pereaksi Wagner terbentuk endapan cokelat dan pereaksi Mayer terbentuk endapan putih yang menunjukkan positif alkaloid. Spektrum FT-IR menunjukkan bilangan gelombang (cm-1) yakni, 3520.09 (N-H), 2922.16 dan 2852.72 (CH3 dan CH2), 1708.93 (C=O), dan 1463.97 (C=C). Identifikasi gugus fungsi senyawa dengan spektrofotometer FT-IR menunjukkan isolat memiliki kemiripan senyawa alkaloid.Kata kunci : L. Camara Linn, Wagner, Mayer, Alkaloid. ABSTRACTThe aim of this research was to identify the secondary metabolite compound by chloroform extract tembelekan’s plants leaf (L. Camara Linn). The isolation of secondary metabolite compound include: extraction, fractionation, purification, and identification. The research results obtained isolates form white pasta as much as 3.15 mg, on group test of the Wagner reactant gives the brown precipitate and Mayer reactant gives the white precipitate, it indicates positive alkaloids. FT-IR spectrum showing the number of waves, (cm-1) namely, 3520.09 (N-H), 2922.16 and 2852.72 (CH3 dan CH2), 1708.93 (C=O), dan 1463.97 (C=C). Identification the functional group of the compounds with FT-IR spectrophotometer showing the isolates have a similarity of indole alkaloid compounds.Keywords : L. Camara Linn, Wagner, Mayer, Alkaloid

    SISTEM PENILAIAN KINERJA PEGAWAI DI RSUD SALEWANGAN MAROS

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    AbstractCurrently, Salewangan Maros Hospital began to design the development of employee performance assessment system. Salewangan Maros Hospital is still trying to find forms and mechanisms of assessment in accordance with the working climate and organizational culture in the hope that the employee performance assessment runs effectively and efficiently, therefore to support it is certainly needed accurate data and information about the existing performance assessment system so that it can be seen in terms of its advantages and weaknesses, which subsequently become a reference in the development of existing systems. In this study using qualitative data analysis and informants involved are those who have influence in the hospital Salewangan Maros Hospital. Based on the results of research and discussions can be concluded that in general the work performance assessment system of employees of Salewangan Maros Hospital has not run optimally, bias and subjectivity in the assessment is still high it can be seen from the method used, namely the rating scale and instruments used elements that are assessed only limited to attitude, behavior and personality alone have not touched on aspects of an employee's work achievement. Keywords : system, assessment, work achievement, employee

    Antibacterial Activity of Secondary Metabolite Compounds in Ethyl Acetate Extract of Rumput Mutiara (Hedyotis corymbosa (L.) Lamk)

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    Abstract: Plant Rumput Mutiara (Hedyotis corymbosa (L.) Lamk) is one of the family species of Rubiaceae which is used as a traditional medicine that is effective in healing boils, acne, antiinflammatory, and anticancer. Research methods include maceration, fractionation, purification, class test and bioactivity test with Kirby-Bauer diffusion method using Escherichia coli (E.coli) bacteria. The results of this research are pure isolates with white crystal needle shape with melting point 137-138oC. Pure isolates were analyzed using FTIR, and by the IR spectrum which showed the absorption band at wave numbers 3435.22 cm-1 indicated the presence of –OH, CH3 and -CH2-aliphatic groups (2956.87 cm-1; 2935.66 cm-1; 2893.22 cm-1; and 2866.22 cm-1), C = C (1641.42cm-1),-CH3 and -CH2- bending (1462.04 cm-1 and 1377.17 cm-1), CO (1056.99 cm-1), and = CH (964.41 cm-1). Based on the result, it showed that the isolate was a steroid group which has low antibacterial activity against E.coli with inhibition power of 10 mm
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