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UPSI Digital Repository (UDRep)
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| Latest addition to the database : |
| 8911 | 2017 Article | The effects of pre-processing strategies in sentiment analysis of online movie reviews Harnani Mat Zin With the ever increasing of internet applications and social networking sites, people nowadays can easily express their feelings towards any products and services. These online reviews act as an important source for further analysis and improved decision making. These reviews are mostly unstructured by nature and thus, need processing like sentiment analysis and classification to provide a meaningful information for future uses. In text analysis tasks, the appropriate selection of words/features will have a huge impact on the effectiveness of the classifier. Thus, this paper explores the effect of the pre-processing strategies in the sentiment analysis of online movie reviews. In this paper, supervised machine learning method was used to classify the reviews. The support vector machine (SVM) with linear and non-linear kernel has been considered as classifier for the classification of the reviews. The performance of the classifier is critically examined based on the results of precision..... 566 hits |
| 8912 | 2017 Article | The study of used socio-scientific issues (SSI) in Biology Muhamad Ikhwan Mat Saad Using socio-scientific issues (SSI) in science lesson especially biology is an approach for students to understand and empower the science concept. Students are given the opportunity to argue the issues and will improve the process of reasoning. Using this approach indirectly can create awareness of ethics and problem solving to students. From the literature review hopefully can develop reasoning skills model based on SSI. Structural Equation Model (SEM) approach is used for measure and identify the variables that contribute students’ reasoning skills. From trends of literature reviews, three independents variables were identified, Content Acquisition, Epistemology Science Belief, Adhered values and ethics towards Reasoning Skills as a dependent variable. Hoped this study will help to improve the empowering of science concepts and Higher Order Thinking Skills (HOTS). In another hand, it also can produce a holistic students and increase creative and critical thinking skill while using..... 892 hits |
| 8913 | 2017 Article | Scientific reasoning skills based on socio-scientific issues in the Biology subject Muhamad Ikhwan Mat Saad Learning strategies using Socio-Scientific Issues (SSI) are approaches that will meet the characteristics of 21st Century Skills (K-21) and upgrade the Higher Order Thinking Skills (HOTS). One of the reasons of the unfavorable TIMMS and PISA results in Malaysia because students’ incompetent to answer science reasoning question based on scientific issues that occur in their daily lives. SSI is a dimension that is used in the assessment of the Trends in International Mathematics and Science Study (TIMMS) and Program for International Student Assessment (PISA) which consists of the issue of the environment, medicine, health and genetic engineering. The purpose of this study is to assess the scientific reasoning level of Form Four science students in the biology subject based on SSI. Quantitative approaches surveys have been used in this study. The SSI instruments used were adapted. Total of 450 Form Four science students are samples used in this study. Findings revealed the needs of stu..... 906 hits |
| 8914 | 2017 Article | Factors affecting reasoning skills on socio scientific issues (SSI) Muhamad Ikhwan Mat Saad Socio Scientific Issues (SSI) is one of the strategies used in teaching and learning to discuss particular current issues that related to health, environment, medicine and genetic engineering as frequently reported in the mass media. This strategy used in teaching and learning to approach students in understanding and empowering the science concept. The purpose of this study is to develop a model based on SSI in measuring and assessing the cause effect relationship of the identified variables for the proposed model of reasoning skills among the science students. The method used in this research is a quantitative study with survey approach that will measure the model fit. A total of 500 respondents form four students in biology classes around four zones in Malaysia responded to four variables in the questionnaire (content acquisition, epistemology scientific belief, adhered moral and ethics and reasoning skills). Data was analyses by using SPSS and Analysis of Moment Structure (AMOS) 21..... 910 hits |
| 8915 | 2017 Article | Exploring the affordances and obstacles of blended e-learning pedagogical practices: perspective of Malaysian teachers Wong, Kung-Teck In Malaysia, blended e-learning pedagogical practices have made a very rapid penetration into Malaysian schools. However, there is little Malaysian studies on the affordances and obstacles of blended e-learning. This study examines and understands the affordances and obstacles of using Blended E-Learning Practices (BeLPs) and develops change actions that can lead to better use of BeLPs. A total of 27 practicing teachers were involved in this study. A phenomenological perspective was employed for this study. In-depth interviews with participating teachers was carried out to understand their perceptions on the usage of BeLPs. A majority of them agreed that there are many practical advantages to teach and learn using BeLPs. Significant affordances are to encourage active learning, improve motivation, and encourage authenticity and connectedness. This report also revealed the impact of teachers’ and students’ readiness to blended e-learning, technical infrastructure, support and enviro..... 340 hits |
| 8916 | 2017 Article | The construct of factors acceptance and use of blended learning for teachers in Malaysia Mohd Azli Yeop This paper will discuss determining construction, formation of the factors of acceptance and use of the Blended Learning approach among teachers. The determining construction for the teacher’s acceptance and use were identified through literature review and semi-structured interviews. The writing of this paper is to discuss in detail the determining constructs that make up the factors of acceptance and use of Blended Learning approach among teachers based on previous models for the learning environment of schools in Malaysia. The results of this study are expected to give a complete picture regarding constructs that make up the factors of acceptance and use among teachers and improve overall understanding of the individual’s acceptance of the Blended Learning approach. This understanding is also expected to guide implementation policies to create an effective Blended Learning environment for Malaysian education settings... 684 hits |
| 8917 | 2018 Article | Optical properties of neodymium doped magnesium zinc sulfo-phopshate glass: impact of gold nanoparticles inclusion Nur Nabihah Yusof Gold (Au) nanoparticles (NPs) incorporated in magnesium zinc sulfo-phosphate glass with the molar composition of (58.5P2O5–20MgO–20ZnSO4–1.5Nd2O3–xAu NPs (where x = 0.0, 0.1, 0.2, 0.3, and 0.4 mol%) were prepared via melt quench technique. The effect of Au NPs as incorporated in Nd3+ doped glasses were studied using X‒ray diffraction (XRD), High Resolution-Transmission Electron Microscope (HR‒TEM), UV‒Visible-NIR absorption spectrometer and photoluminescence spectrometer. The amorphous nature of glass is confirmed via XRD measurements and existence of Au NPs inside the glass is reveal by HR-TEM. The typical absorption bands of Nd3+ are attained which positioned around 352, 430, 459, 474, 512, 525, 581, 626, 682, 744, 801and 875 nm. Up-conversion (UC) photoluminescence (PL) demonstrated six prominent emission bands located around 420, 445, 460, 484, 515 and 545 nm corresponding transition 2P1/24I9/2, 2D5/24I11/2, 2P1/24I11/2, 2D5/24I13/2, 2K15/2,4G7/24I11/2,..... 526 hits |
| 8918 | 2018 Article | Keberkesanan antibiotik titisan mata Gentamicin terhadap Sista Acanthamoeba spp. Isolat Klinikal Mohamed Kamel Abd Ghani Acanthamoeba spp. boleh menyebabkan keratitis kepada manusia, khasnya kepada pemakai kanta sentuh yang tidak menitikberatkan aspek higen kanta sentuh. Kajian ini bertujuan untuk mengkaji keberkesanan antibiotik titisan mata Gentamicin terhadap sista Acanthamoeba isolat klinikal iaitu HKL 5, HKL 11, HKL 32, dan HKL 51. Kajian dimulakan dengan melakukan suspensi sista terhadap keempat-empat isolat klinikal tersebut. Mikropencairan terhadap antimikrob dilakukan dan kemudiannya suspensi sista ditambah, seterusnya dieramkan selama 24 jam pada 30ºC sebelum dipindahkan ke atas plat agar bukan nutrien (NNA) yang dilapisi E. coli matian haba. Plat agar diperhatikan setiap hari sehingga hari yang ke-14 untuk mengesan sebarang kehadiran trofozoit di bawah mikroskop inverted. Kehadiran trofozoit Acanthamoeba menunjukkan bahawa antibiotik ujian tidak berkesan terhadap sista Acanthamoeba. Gentamicin berkesan terhadap sista Acanthamoeba, dengan nilai purata sistisidal minimum (MCC) 1453.1 μg/ml. Ge..... 474 hits |
| 8919 | 2018 Article | Detection of porcine based materials in processed food using polymerase chain reaction method Khong, Heng Yen The detection of halal adulteration in processed food, particularly the presence of porcine based material, be it human or animal food is very important to safeguard the interest of Muslim consumers. Many techniques have been developed to determine such adulteration which can ascertain the halal status of food products. In this paper, the presence of porcine based materials in few processed foods namely meat products, candy products, and animal feeds obtained from Kota Samarahan, Sarawak, Malaysia were screened by using Polymerase Chain Reaction (PCR) method. Findings revealed that all processed meat samples showed a positive result of the presence of porcine DNA. A similar result was also obtained for a few samples of animal feeds and candy products. As such, further study is required to verify the results... 792 hits |
| 8920 | 2018 Article | Assessment on bird conservation status found in rubber forest plantation by using IUCN and Regional classification Radhiah Abdul Kadir A wealth of studies have proposed that plantations can be enhanced into an area that is rich in biodiversity, perhaps to the extent of being an off-reserve strategy area for conservation purposes. This study was carried out to evaluate the effectiveness of rubber forest plantation in harbouring and acting as an off-reserve conservation area for birds. By conserving forest fragment areas as a way to improve the heterogeneity of a landscape within a rubber forest plantation, this paper aims to determine the conservation status of birds recorded from Bukit Kuantan rubber forest plantation which adopted forest fragment conservation. A point count observation method was implemented to record any sightings of birds within this plantation landscape. Subsequently, the identified bird species were checked with the Malaysian Wildlife Conservation Act (WCA) 2010 and IUCN Red List Data of endangered species. From the context of WCA 2010, it was found that majority of birds which accounted to 70%, ..... 1106 hits |
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