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The American Journal of Applied Sciences

Volume 8.
Issue 04.

Volume 08 Issue 04

April 2026

Explore the research published in this issue. Read article details, abstracts and available full-text files.

Open access ISSN 2689-0992 8 articles
tajas ISSN 2689-0992

Ideas without
boundaries.

The American Journal of Applied Sciences

VOLUME 8 / ISSUE 04 APRIL 2026
IN THIS ISSUE

Table of contents.

8 articles

Applied Sciences

8 articles
1
Applied Sciences · OPEN ACCESS 01 April 2026

Autonomy-Centric Organizational Philosophy in German Bureaucratic Practice

Oliver Bennett, Henry Collins

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The concept of autonomy within organizational systems has emerged as a central determinant of institutional effectiveness, particularly within bureaucratic structures historically characterized by rigid hierarchies and procedural formalism. This study critically examines the autonomy-centric organizational philosophy embedded within German bureaucratic practice, situating it at the intersection of legal rationality, ethical governance, and administrative efficiency. Drawing upon interdisciplinary theoretical foundations—including constitutional law, organizational behavior, ethics, and decision theory—this research investigates how autonomy operates not merely as a managerial tool but as a normative principle shaping institutional legitimacy and performance.

The German bureaucratic model, often associated with Weberian rational-legal authority, has undergone significant transformation in response to technological advancements, globalization, and regulatory evolution, particularly within the European Union context. This paper explores how autonomy is operationalized across administrative layers, emphasizing its role in decision-making under uncertainty, ethical accountability, and adaptive governance. By synthesizing insights from ecological rationality (Luan et al., 2019), psychological capital theory (Luthans et al., 2007), and German constitutional principles of human dignity (Eberle, 2012), the study constructs a multidimensional framework explaining how autonomy enhances bureaucratic resilience and responsiveness.

The research further integrates regulatory perspectives, including the European Union’s AI governance frameworks, to analyze the evolving interface between human autonomy and algorithmic decision systems. Empirical and conceptual analysis reveals that autonomy, when embedded within structured oversight mechanisms, contributes to improved policy implementation, ethical compliance, and institutional trust. However, the study also identifies inherent tensions between autonomy and accountability, particularly in high-risk decision environments such as healthcare and digital governance.

The findings suggest that autonomy-centric bureaucratic systems are not inherently less controlled but rather reconfigured through distributed responsibility and normative constraints. The paper concludes that German bureaucratic practice offers a hybrid model where autonomy is institutionalized without undermining regulatory coherence, providing critical implications for global administrative reform and governance innovation.

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2
Applied Sciences · OPEN ACCESS 22 April 2026

A Machine Learning And Ai-Integrated Decision Support System For Risk Prediction And Process Automation In Construction Engineering For Enhanced Infrastructure Safety And Efficiency

Dr. Anna Keller

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The construction engineering sector is increasingly characterized by high uncertainty, complex project dynamics, and elevated safety risks, necessitating advanced computational approaches for proactive decision-making. This research proposes a machine learning and artificial intelligence (AI)-integrated decision support system (DSS) for predictive risk analytics and process automation in construction engineering. The framework synthesizes multi-source data streams, including sensor-based IoT systems, computer vision, and historical project records, to enable real-time risk forecasting and operational optimization. Building upon advancements in deep learning, Bayesian inference, and hybrid optimization models (Chattapadhyay et al., 2021; Chen et al., 2021), the study develops a conceptual architecture that supports automated risk identification, predictive scheduling, and safety assurance mechanisms.

The system leverages intelligent sensing and wireless data transmission principles inspired by energy-efficient monitoring systems (Alshmeel et al., 2024), enabling continuous environmental and structural data acquisition. Machine learning models are applied for classification, regression, and anomaly detection, improving the accuracy of cost, delay, and safety risk predictions (Darko et al., 2023). The proposed DSS further integrates computer vision techniques for construction site monitoring and hazard detection (Fang et al., 2020). Results indicate that AI-driven decision systems significantly enhance infrastructure safety, reduce operational inefficiencies, and improve resource allocation.

The study contributes a unified framework bridging predictive analytics and automation, offering practical implications for smart construction ecosystems and Industry 4.0-enabled infrastructure management.

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3
Applied Sciences · OPEN ACCESS 20 April 2026

The Interplay of Personality Architecture, Lifestyle Triads, And Mental Health Resilience: A Multi-Dimensional Analysis of Academic Burnout and Psychological Well-Being in Global University Populations

Olivia Harper

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The contemporary academic landscape presents a multifaceted challenge to student well-being, characterized by an intricate interplay between internal personality structures and external lifestyle choices. This research article explores the "Lifestyle Triad"-comprising stress levels, dietary habits, and exercise patterns-and its correlation with the Big Five personality traits, academic burnout, and broader mental health outcomes including depression and anxiety. Drawing upon a comprehensive synthesis of psychological theories, such as the Conservation of Resources (COR) theory and Dynamic Self-Regulatory models, this study investigates how traits like Neuroticism and Conscientiousness influence resource depletion and academic motivation. Furthermore, the article examines the impact of the COVID-19 pandemic on the mental health of children, adolescents, and university students in low- and middle-income countries, highlighting the persistent stigma surrounding mental health literacy. By integrating perspectives from clinical psychology, sports medicine, and educational measurement, the research identifies a significant literature gap regarding the moderating role of organizational and social support in mitigating "Dark Triad" behaviors and counterproductive academic conduct. The findings suggest that a holistic, preventive mental health approach, focusing on lifestyle modification and personality-aware crisis support, is essential for fostering academic resilience and reducing the global burden of student psychological distress.

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4
Applied Sciences · OPEN ACCESS 17 April 2026

Dermoscopy and Wood’s Lamp Compared with Potassium Hydroxide Microscopy in Pityriasis Versicolor: A Cross-Sectional Diagnostic Accuracy

Christabel A. Ovesuor, Uche Rowland Ojinmah, Gladys Ozoh, Kennedy Oberhiri Obohwemu, Celestine Emeka Ekwuluo, Kenechi Gerald Ike, Festus Ituah, Kingsley Chike Madubuike, Oluwapelumi Silvanus Ajayi

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Background: Pityriasis versicolor is a common superficial fungal infection caused by Malassezia species. Diagnosis is often clinical, with confirmation through potassium hydroxide microscopy or Wood’s lamp examination. Dermoscopy has emerged as a non-invasive diagnostic tool, yet evidence from Sub-Saharan Africa remains limited.

Objective: To evaluate the diagnostic performance of dermoscopy compared with Wood’s lamp, using potassium hydroxide microscopy as the reference standard.

Methods: A hospital-based cross-sectional study was conducted among 113 adult patients with clinically diagnosed pityriasis versicolor at a tertiary dermatology clinic in South-East Nigeria. All participants underwent Wood’s lamp examination, dermoscopic assessment, and potassium hydroxide microscopy. Sensitivity, specificity, positive predictive value, negative predictive value, and receiver operating characteristic analysis were calculated.

Results: Potassium hydroxide microscopy confirmed pityriasis versicolor in 62 of 113 participants (54.9%). Dermoscopy demonstrated 100% sensitivity and 100% negative predictive value, with specificity of 7.8% and positive predictive value of 56.9%. Wood’s lamp showed sensitivity of 80.6%, specificity of 66.7%, positive predictive value of 74.6%, and negative predictive value of 66.7%. Receiver operating characteristic analysis revealed an area under the curve of 0.539 for dermoscopy and 0.737 for Wood’s lamp.

Conclusion: Dermoscopy identified all potassium hydroxide-positive cases in this cohort and may serve as a useful screening tool in low-resource settings. Wood’s lamp demonstrated higher specificity. Integrating dermoscopy with clinical assessment may enhance early diagnosis where microscopy is unavailable.

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5
Applied Sciences · OPEN ACCESS 08 April 2026

Universal Grammar of Thought: Logic in The Teachings of Al-Farabi

Abdullakhanova Gulbahor

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This article is devoted to a comprehensive analysis of the logical legacy of the outstanding Eastern thinker Abu Nasr al-Farabi, known in history as the "Second Teacher." The study centers on his innovative concept of a "universal grammar of thought." The author explains how al-Farabi succeeded in legitimizing logic as an independent, transcultural discipline, transcending the narrow confines of ethnic languages and Arabic grammar. The work details the two-level structure of cognition introduced by the thinker: tasawwur (conception) as the act of comprehending the essence of things and tasdiq (judgment) as a tool for verifying truth. It is argued that this pair of categories became the foundation for the entire subsequent Eastern Peripatetic tradition.

Particular attention is paid to the classification of logical methods - from apodictic to poetics - and their role in the formation of reliable knowledge (yaqin). The study goes beyond pure theorizing, illuminating the political dimension of logic. Using one of al-Farabi's fundamental works, "Treatise on the Opinions of the Inhabitants of the Virtuous City" [3], it demonstrates how the logical apparatus serves as an "intellectual glue" and a tool of social hygiene, allowing the ruler to transform abstract truths into ethical guidelines for society through rhetoric and imagery.

The methodological basis of this work is a synthesis of a historical-philosophical approach, comparative analysis, and a systems method. The article analyzes the works of such prominent researchers as M. Khairullaev, A. Kasymzhanov, A. Sagadeev, R. Walzer, and D. Black. The author concludes that al-Farabi's logical system is not only a historical monument but also a relevant methodological basis for the development of modern critical thinking.

Recommendations are offered for integrating the thinker's ideas into modern educational programs to combat cognitive biases and strengthen intercultural dialogue in a globalized world.

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6
Applied Sciences · OPEN ACCESS 27 April 2026

Synthesis of Lightweight Aluminosilicate Proppants from Low-Grade Kaolinitic Clay And Industrial Waste

Bayraeva Nasiba Ashurbayevna, Egamberdiyev Abror Ibragimovich, Adizov Bobirjon Zamirovich, Khomidov Fakhriddin Gafurovich, Abdurahimov Dilmurod Hayitmurotovich

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This study presents the synthesis of lightweight aluminosilicate ceramic proppants using Angren kaolinitic clay and ash–slag industrial waste as raw materials. The effects of composition and sintering temperature (1200–1250 °C) on phase composition and physicomechanical properties were investigated. The results show that increasing the sintering temperature enhances densification, promotes mullite formation, and improves mechanical strength and chemical stability. The optimal composition (CA-3) exhibited low bulk density (1.43 g/cm³), low crushing ratio (6.58%), and high acid resistance (5.56%). XRD analysis confirmed increased crystallinity and mullite development at higher temperatures. The developed proppants demonstrate competitive properties and offer a cost-effective and environmentally sustainable alternative to conventional materials.

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7
Applied Sciences · OPEN ACCESS 17 April 2026

Examination of Psychological Strain, Nutritional Consumption Behavior, Physical Movement Practices within Tertiary Education Cohorts in South Asia, Linkage Distribution Inquiry

Youssef Abdelrahman

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This study presents a multidimensional analytical investigation into the interrelationship among psychological strain, nutritional consumption behavior, and physical movement practices within tertiary education cohorts in South Asia. The increasing global prioritization of mental health as a dominant public health concern underscores the urgency of examining behavioral and lifestyle determinants within youth populations (IPSOS GLOBAL, 2023; Statista, 2024). University students represent a particularly vulnerable demographic due to academic pressure, transitional life demands, and environmental stressors, which collectively contribute to maladaptive behavioral patterns.

The study adopts a three-component analytical framework integrating psychological, dietary, and physical activity dimensions into a unified relational model. Drawing on interdisciplinary evidence from behavioral science and human-system interaction research, the model conceptualizes these domains as dynamically interdependent rather than isolated constructs. Prior research indicates that physiological stress responses can be objectively measured and correlated with behavioral disruptions (Shimono et al., 1998; Wiederhold et al., 2002), while environmental and systemic influences further shape behavioral outcomes (Kruger et al., 2009).

A structured conceptual methodology is applied, incorporating comparative synthesis of behavioral indicators across South Asian tertiary education contexts. The study emphasizes relational distribution patterns, highlighting how psychological strain propagates across nutritional and physical domains. The findings suggest that elevated psychological burden is consistently associated with irregular dietary intake and reduced physical activity engagement, reinforcing the notion of behavioral clustering in student populations.

Furthermore, the study integrates technological and human-system interaction insights to interpret behavioral adaptation mechanisms, drawing parallels between cognitive load in engineered systems and psychological load in human populations (Consiglio et al., 2007; Sakamoto et al., 2009). The results contribute to a broader understanding of lifestyle-health interdependencies and support the development of integrated intervention frameworks for university wellness systems.

The study concludes that psychological strain operates as a central regulatory factor influencing both nutritional and physical behavioral domains, necessitating holistic policy interventions in higher education environments.

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8
Applied Sciences · OPEN ACCESS 11 April 2026

AI-Driven Risk Prediction and Systemic Stability: A Framework for Strengthening U.S. Financial Markets

Aftab Uddin

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Background: Over the last five years, U.S. financial markets have experienced repeated episodes of instability, highlighting the growing importance of detecting algorithmic contagion and systemic risk at an early stage. As automated trading and data-driven financial decision-making expand, explainable artificial intelligence (XAI) offers a promising approach for identifying hidden risk patterns.

Purpose: This study aims to examine how XAI can improve the detection of algorithmic contagion and support systemic risk mitigation in U.S. financial markets.

Methods: The study used a quantitative longitudinal secondary-data design based on five years of daily market data from the SPDR S&P 500 ETF Trust (SPY) and Invesco QQQ Trust (QQQ) from 2020 to 2025. Engineered time-series features supported logistic regression and random forest models, while explainability techniques identified key predictors of contagion-sensitive market states.

Results: Contagion-sensitive periods were concentrated in 2022. In walk-forward validation, logistic regression achieved 0.773 accuracy, 0.311 recall, and 0.175 precision, while random forest achieved 0.821 accuracy, 0.189 recall, and 0.198 precision. In holdout testing, random forest reached 0.905 accuracy but 0.000 recall and precision, highlighting the difficulty of predicting rare stress events.

Conclusion: The study concludes that XAI can strengthen systemic risk monitoring by making machine-learning predictions more transparent and decision-relevant. While predictive performance remains constrained by limited market variables and daily-frequency data, the framework demonstrates strong potential for improving financial surveillance.

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