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Publication Embargo Learning Style Preferences of Business Students in Saudi Arabia(IGI GLOBLE Scientific, 2024) Rajapakshe, WThis chapter describes different types of learning style models It further explores Saudi Arabian business students' behavior regarding their preferences for different learning styles, as defined by the VAK learning styles model. 138 respondents who registered for theoretical courses and 128 for mathematical courses participated in the study. The data was gathered using a VAK modality questionnaire. The analysis indicated an apparent inclination towards multimodal learning compared to unimodal learning, with visual learning being the most favored unimodal mode. Moreover, the results of the independent sample t-test reveal no statistically significant difference in preferences among students enrolled in theoretical modules and those enrolled in mathematical modules.Publication Embargo Addressing Academic Stress: Implications for Female Students in Saudi Arabia(IGI GLOBLE Scientific, 2024) Rajapaksha, WSaudi Arabia's higher education policies have propelled a surge in female enrollment, mitigating female unemployment and bolstering the Saudization initiative. This surge in national education has curbed reliance on foreign institutions and facilitated access to higher education for local high school graduates. However, despite these advancements, student dropout rates and academic underperformance persist. This study investigates the influence of stressors on academic performance among female students in Saudi Arabia. Findings indicate that academic stress and stressors related to personality significantly affect academic performance, while stressors linked to career paths do not exhibit a similar impact.Publication Embargo සමාජ ගවේෂකයා - ශාස්ත්රීය පර්යේෂණ ක්රමවේදය: මූලිකාංග, විධික්රම සහ භාවිතය(මිනිමුතු ප්රකාශකයෝ, 2022-01-01) සාලිය, සී. ඒ.මෙම කෘතිය කොටස් පහකින් සමන්විත වේ. පළමු කොටසේ පරිච්ඡේද පහක් පුරා ශාස්ත්රීය පර්යේෂණයේ විශ්ලේෂණාත්මක සමාලෝචනයක් (an overview) සහ එහි පසුබිම සාකච්ඡා කෙරේ. දෙ වැනි කොටසේ පර්යේෂණ ගැටලු සැකසීම, ප්රකාශන පත්රිකා සමාලෝචනය සහ දත්ත රැස් කිරීමේ ක්රියාවලිය ද (articulation of problem statement, reviewing relevant existing knowledge and data collection), තෙ වැනි කොටසේ පර්යේෂණයක් සඳහා අනුගමනය කළ හැකි උපායමාර්ග නැතහොත් පර්යේෂණ ක්රමෝපායයන් ගැන පරිච්ඡේද 15කින් (Chapters 9 – 23) සවිස්තරාත්මක ව ඉදිරිපත් කොට ඇත (Quantitative, Qualitative and Mixed method). සිව් වැනි කොටසේ විවිධ පර්යේෂණ විධික්රම (methods) ප්රායෝගික ව ක්රියාවට නගන අයුරු සාකච්ඡා කෙරේ (data analysing, interpreting and drawing conclusions). මෙය ඉදිරිපත් කොට ඇත්තේ ජාත්යන්තර සඟරාවල ප්රකාශනයට පත්කරන ලද කර්තෘගේ ම පර්යේෂණ පත්රිකා කිහිපයක් (ශ්රී ලංකාව සම්බන්ධ පර්යේෂණ පත්රිකා කිහිපයක් ද ඇතුළු) සංක්ෂිප්ත ව ඉදිරිපත් කොට විවිධ පර්යේෂණ ක්රමෝපායයන් ක්රියාවට නගන අයුරු (applications) පැහැදිලි කිරීම් මඟිනි. පස් වැනි කොටසේ පර්යේෂණ පත්රිකා සැකසීමේ ක්රමවේදය සහ ජාත්යන්තර සඟරාහී ප්රකාශනයට පත්කිරීම පිළිබඳ ක්රියාවලිය ඉදිරිපත් කෙරෙන්නේ ඔබගේ පර්යේෂණයන් ප්රකාශනයට පත් කිරීමට අවැසි මඟ පෙන්වීමට ය. හැඳින්වීම් පරිච්ඡේද සමඟ සියලුම පරිච්ඡේද ගණන 30කි. මෙහි ඇති අන්තර්ගතයන් සාමාන්යය උපාධි අපේක්ෂකයින් මෙන් ම පශ්චාත් සහ අචාර්ය උපාධි සඳහා අධ්යයනයේ යෙදෙන අයටත්, පර්යේෂණයක් නිමා කොට වැදගත් ආකර්ශණීය සොයාගැනීම් පර්යේෂණ පත්රිකා ලෙස ප්රකාශනයට පත් කිරීමට අපේක්ෂා කරන ශාස්ත්රඥයින්ට මෙන් ම සාමාන්යය බුද්ධිමත් පාඨකයින්ටත් එක සේ වැදගත් විය හැකි ය. තවදුරටත් මෙම ග්රන්ථය උපයෝගී කර ගනිමින් පාඨමලාවක් ඉදිරිපත් කිරීමට ද ඉඩ ප්රස්ථාව ඇත.Publication Open Access Regaining construction momentum(Sri Lanaka Economic Association, 2020-08) Jayathilaka, R; Gunaratna, K. LPublication Open Access International Migration Outlook - Sri Lanka(International Organization for Migration, 2009-05) Jayathilaka, R; Jayawardhana, TThis report was undertaken by the Institute of Policy Studies of Sri Lanka (IPS) for the International Organization for Migration (IOM). The IPS would like to express its gratitude to the many organizations and individuals who provided useful inputs for the production of this study. This task would not have been a success if not for the continuous support extended by these organizations.Publication Embargo An Empirical Study on Paddy Harvest and Rice Demand Prediction for an Optimal Distribution Plan(wiley, 2022-03-04) Rankothge, W. HThis book provides the state-of-the-art applications of Machine Learning in IoT environment. The most common use cases for machine learning and IoT data are predictive maintenance, followed by analyzing CCTV surveillance, smart home applications, smart-healthcare, in-store ‘contextualized marketing’ and intelligent transportation systems. Readers will gain an insight into the integration of Machine Learning with IoT in various application domains.Publication Open Access Poverty Concepts, Trends in Global Poverty and Sri Lanka(Department of Demography, University of Colombo, 2015-03) Jayathilaka, RThere is a large body of literature on the concept of poverty in general and its measurement. Poverty has been one of the most debated concepts in development economics and international trade, with the international focus on poverty reduction under Millennium Development Goals (MDG) drawing much attention to its definition and measurement. Over at least the last two decades, the definition of poverty has also been a central issue in policy making towards poverty reduction in developing countries. The reason for this is because poverty definitions and measurements have important implications for poverty reduction policies. A study of India and Peru, drawing on both national data and micro surveys, found that significantly different people were identified as poor in the two countries. This was determined according to two different measurements of poverty ranging from a narrow definition, in terms of the monetary capability, to a broader definition, in terms of the participatory approach adopted by the United Nations Development Programme (UNDP) (Ehrenpreis, 2006)Publication Open Access EDUCATIONAL OPPORTUNITIES FOR THE POOR ASSESSING SPATIAL DISPARITIES(South Asia center for policy Studies, 2009-02) Tilakaratna, G; Tilakaratna, A; Jayatilaka, R; Perera, RSri Lanka enjoys a remarkable progress in terms of its basic education indicators, compared to many other developing countries in the world. By 2004, it had an adult literacy rate of about 92.5 per cent, and a net primary enrolment ratio of 98 per cent. The primary completion ratio for Sri Lanka is also relatively high, with only about 3 per cent of the students dropping out before reaching grade 5. Moreover, Sri Lanka has achieved significant progress in gender equality in education. The adult literacy rate for female is 96 per cent of that for male while youth literacy rate for female is as high as 101 percent of that for male. In addition, net primary enrolment ratio for female is about 97 per cent and is at the same level as that for male students. However, it is interesting to note that the combined ratio for all educational levels for female is about 102 per cent of that for male, implying higher enrolments among female studentsPublication Embargo Case Studies: Use of Low Strain Transient Dynamic Response Method for Rock Socketed End Bearing Bored Piles(ASTM Compass, 2018-05-28) Kodithuwakku, T. H; Thilakasiri, S; Rathnayaka, AThe transient dynamic response (TDR) method has been introduced to pile integrity testing over several decades. The TDR method requires measuring both pile top velocity and force induced at the pile top by a small handheld hammer. Force and velocity information can be used to determine the pile condition near the top of the pile and the stiffness of pile-soil-rock system. It has been suggested by researchers that the dynamic stiffness at low frequencies obtained from the TDR method relates to the static stiffness of a pile. The static stiffness determines the initial linear region of load-displacement behavior of a particular pile. However, little attention has been paid to developing a correlation between the dynamic stiffness obtained from the TDR method and the static stiffness of a pile head. Therefore, systematic field tests were performed on rock-socketed end-bearing bored piles to determine both dynamic stiffness and static stiffness. The piles were tested using both high-strain dynamic load testing and low-strain pile integrity testing. Based on the field testing results, this paper suggests a correlation between dynamic stiffness and static stiffness. Furthermore, successful implementation of the TDR method on rock-socketed end-bearing bored piles is verified through case studies. In addition, the case studies show that dynamic stiffness and first resonant frequency could be used to identify the doubtful piles having low toe stiffness.Publication Embargo Predicting the academic performance of students using utility-based data mining(IGI Global, 2020) Liyanage, S. R; Kasthuriarachchi, K. T. SData mining in education has become an important topic in the sphere of influence of data mining. Mining educational data encompasses developing models, plotting data, and utilizing machine learning algorithms to derive patterns on educational data by attempting to uncover hidden patterns, create information for hidden relationships using educational statistics, and perform many more operations that are unfeasible using traditional computational tools. This research aims to identify the main factors that influence the academic performance of learners in tertiary education system in Sri Lanka. A conceptual framework and an analytical framework on factors affecting the academic performance was constructed with this aim. The analytical framework was then validated with the data collected from technology learners in a tertiary educational institute.
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