Background: Research productivity and its translation into socio-economic development remain markedly uneven across global settings. High-income countries consistently allocate a greater proportion of their national expenditure to research and development (R&D), maintain well...
Open access
Research Article10.9734/air/2026/v27i41660
Predicting the Air Quality Index (AQI) is important for environmental monitoring, public health protection, and pollution-control planning. This study compares seven classical machine learning models — Linear Regression, Decision Tree, Random Forest, Support Vector Regressor (SVR...
Open access
Research Article10.9734/air/2026/v27i41661
Goal: The required sampled size is determined for estimating a population mean within a given margin of error based on a preliminary sample. An inflation factor is needed to prevent confidence intervals from being anti-conservative. Methodology: When estimating a population mean...
Open access
Research Article10.9734/air/2026/v27i41657
Statistical crop models are widely used to evaluate the impacts of climate variability on agricultural productivity. This study aims to evaluate the performance of statistical crop models in assessing the impacts of climate change—specifically changes in the mean and variability...
Open access
Research Article10.9734/air/2026/v27i41658
Sericulture — encompassing the cultivation of mulberry, the rearing of silkworms (Bombyx mori Linnaeus), and the reeling and processing of silk — is one of the world's oldest and most culturally significant agro-industries. Sustaining the livelihoods of tens of millions of farmin...
Open access
Research Article10.9734/air/2026/v27i41659
Koga Mang’ Dobara, Mengue Ntoa Geneviève, Mahob Joseph Raymond, Pierrou Maxime, Moumbagna Mboutngam Mouhamadou, Ajeagah Gideon Aghaindum & Ndjonka Dieudonné·Advances in Research·2026
Intestinal parasitic infections are among the most common and widespread infections worldwide, particularly in tropical and subtropical regions. Despite the existence of numerous studies on intestinal parasites (especially helminths and protozoa) among school-aged children in Cam...
Open access
Research Article10.9734/air/2026/v27i41654
Leadership development in secondary education is widely recognised as a key determinant of organisational learning and broader socio-educational transformation, particularly through its influence on collaborative capacity and adaptive school cultures. This study investigated the...
Open access
Research Article10.9734/air/2026/v27i41655
Background: Economic growth and improvements in education, female workforce participation in Assam remains shaped by rural–urban disparities, socio-economic factors, and structural labour market challenges, necessitating an analysis of its trends and determinants. Aims: The study...
Open access
Research Article10.9734/air/2026/v27i41656
Adanna Nneoma Chukwuocha, Anyalewechi Eunice Nwoke, Chidozie Joakin Nwaokoro, Ugonma Winnie Dozie, Chikadibia Kizito Odinaka, Ijeoma Fredrica Obodoechi, Chidinma Nkem Igwe, Okoro Chisomuaga Chidinma, Oluchi Gloria Onyechere, Ngozi Victoria Akam & Joy Victoria Osuoji·Advances in Research·2026
Background: This study is an extract from a larger body of work. Adolescents are particularly vulnerable to engaging in risky sexual behaviours due to developmental changes, peer influence, and limited access to accurate sexual health information. Digital platforms have emerged a...
Open access
Research Article10.9734/air/2026/v27i31652
In this paper, we derive unified closed-form solutions for third-order nonhomogeneous linear recurrence relations of Leonardo-type sequences, where the input term is a polynomial. By decomposing each recurrence into homogeneous and particular components, we establish explicit for...
Open access
Research Article10.9734/air/2026/v27i31650
Wheat (Triticum aestivum L.) is a cornerstone of global food security, yet its intensive cultivation depends on conventional nitrogen and phosphorus fertilisers whose use is characterised by substantial nutrient losses, declining efficiency, and mounting environmental burdens. Na...
Open access
Research Article10.9734/air/2026/v27i31651
The coupling effect of flood discharge and earthquake places the prestressed gate pier in an extremely complex stress state, making it difficult for traditional design methods to meet the safety requirements of sluice projects in high seismic zones. In this paper, a tuned mass da...
Open access
Research Article10.9734/air/2026/v27i31649
Work-task motivation among early childhood educators has become an important concern in public school settings due to its influence on teaching performance and educational outcomes. This study examined the predictive influence of resilience and psychological well-being on work-ta...
Open access
Research Article10.9734/air/2026/v27i31648
Background: Inadequate teacher professional development remains a persistent challenge affecting instructional quality and educational outcomes in many contexts, including the Philippines. Leadership practices and individual psychological factors are increasingly examined as pote...
Open access
Research Article10.9734/air/2026/v27i31646