Research gap analyses
Page 19 of 19, ordered by evidence strength.
Showing 1,081–1,136 of 1,136 gap analyses · page 19 of 19
- Data and Methodological Gaps
More research is needed to validate methods across diverse datasets and environmental conditions in fields such as urban drainage, rainfall variability analysis, and buffel grass mapping.
Engineering · 2 papers · avg 2026 · moderate evidence - Cloud and Network Reliability
The performance of IoT systems under network connectivity failures, cloud service interruptions, and extreme conditions needs to be evaluated.
Engineering · 2 papers · avg 2026 · strong evidence - Field Validation Gaps
Most papers lack comprehensive field trials or real-world deployments to validate their proposed solutions in actual operational environments.
Engineering · 2 papers · avg 2026 · strong evidence - IoT and Sensor Networks
Optimization of energy-efficient wireless sensor networks for resource-constrained environments, including solar energy harvesting and real-time data transmission protocols.
Engineering · 2 papers · avg 2026 · moderate evidence - Multi-environmental Validation
There is a need to validate models and frameworks across diverse geographical regions, climatic conditions, and system types before commercial deployment.
Computer Science · 2 papers · avg 2026 · moderate evidence - Integration of Real-Time Monitoring
There is a need to integrate real-time monitoring systems and dynamic adjustments in various fields including building heat loss assessment, power system planning, teacher assessment practices, and AI integration in education.
General · 2 papers · avg 2026 · moderate evidence - Long-term follow-up
The studies lack long-term follow-up data to comprehensively evaluate treatment efficacy and patient outcomes in various clinical and educational contexts.
Medicine · 2 papers · avg 2026 · strong evidence - Randomized Controlled Trials
Larger, well-designed randomized controlled trials are needed to validate clinical efficacy and establish evidence-based practices for treatments ranging from Sophora flavescens film in postpartum care to efgartigimod in Guillain-Barré syndrome.
Medicine · 2 papers · avg 2026 · strong evidence - Follow-up Periods
Most studies have short follow-up periods, failing to assess long-term outcomes in diverse patient populations including psychosis, cancer, and diabetes.
Medicine · 2 papers · avg 2026 · moderate evidence - Research Methodology Gaps
The need for standardized definitions and quality assessment methods in systematic reviews of medical interventions.
Medicine · 2 papers · avg 2024 · moderate evidence - Model Generalizability
The studies highlight the need for external validation of machine learning models across diverse populations and settings to ensure their clinical applicability.
Medicine · 2 papers · avg 2026 · moderate evidence - Interpretation Caution
Findings should be interpreted cautiously due to small sample sizes and single-center designs in multiple medical studies.
Biology · 2 papers · avg 2026 · moderate evidence - Biomarker Panels
Future research should expand biomarker panels to include a comprehensive set of markers such as microRNAs, osteocyte-derived markers (sclerostin and DMP1), progenitor cell recruitment signals (SDF-1 and CXCR4), coupling factors (TGF-β and IGF-1), and specific EMT marker panels for osseointegration and choroidal melanoma.
Medicine · 2 papers · avg 2026 · strong evidence - Class Imbalance
The robustness of deep learning models to class imbalance in diverse patient populations and datasets needs further investigation.
Computer Science · 2 papers · avg 2026 · moderate evidence - Collaborative Research
Multicenter collaborative networks are needed to improve generalizability and address selection bias in studies involving bladder volume precision control, AI in pediatric dentistry, and point-of-care ultrasound.
Medicine · 2 papers · avg 2026 · moderate evidence - Multi-center validation
There is a need for larger sample sizes and multiple center validations to ensure the generalizability of findings across diverse populations and settings in various medical studies.
Medicine · 2 papers · avg 2026 · strong evidence - Mechanistic Pathways in Disease
The specific molecular mechanisms linking dietary factors to chronic kidney disease progression require further investigation, particularly through direct mechanistic studies.
Medicine · 2 papers · avg 2018.7 · moderate evidence - Intervention Effectiveness
High-quality evidence for the effectiveness of specific interventions (diet, exercise, smoking cessation) in managing chronic conditions among diverse populations is lacking.
Computer Science · 2 papers · avg 2023.5 · moderate evidence - Small Sample Sizes
The relatively small sample sizes in these studies reduce statistical power and limit generalizability to broader populations.
Medicine · 2 papers · avg 2026 · strong evidence - Nanoparticle Synthesis and Delivery
The comparative efficacy of different synthesis methods (chemical reduction, green synthesis, physical methods) for nanoparticle-based drug delivery to specific tissues or organs needs further investigation.
Medicine · 2 papers · avg 2026 · moderate evidence - Long-term follow-up and sustainability
The studies collectively identify a need for long-term follow-up beyond initial periods to assess the sustainability of interventions in various medical contexts, including chronic conditions management, clinical trials, public health measures, and diagnostic approaches.
Medicine · 2 papers · avg 2023 · strong evidence - Data Incompleteness
Most studies rely on medical records for data collection, which may be incomplete or lack granularity, particularly in capturing specific clinical parameters and readmissions across different healthcare institutions.
Medicine · 2 papers · avg 2026 · strong evidence - Sensor Performance and Longevity
The impact of protective coatings on sensor performance and longevity in field deployment needs systematic evaluation for various encapsulation materials.
Engineering · 2 papers · avg 2026 · moderate evidence - Synthetic Data and Simplified Assumptions
Further validation of methods using real experimental data is needed to confirm absolute values for material constants.
Physics · 2 papers · avg 2026 · strong evidence - AI in Mental Health
The effectiveness of AI-based interventions for mental health requires validation through clinical testing and integration into professional frameworks.
Psychology · 2 papers · avg 2026 · moderate evidence - Generalizability Across Populations and Contexts
There is a need to test the generalizability of findings across diverse cultural, educational, and demographic contexts, including different age groups, academic disciplines, and socioeconomic statuses.
Education · 2 papers · avg 2026 · moderate evidence - Gender Disparities in Technology and Education
Future research should explore gender-based mechanisms underlying differences in technology adoption patterns among students, particularly in educational settings involving artificial intelligence tools.
Education · 2 papers · avg 2026 · moderate evidence - Incomplete Findings in Studies
More research is needed to fully analyze and discuss the significant relationship between perceived effects and numeracy skills in mathematics programs.
Education · 2 papers · avg 2024 · moderate evidence - Well-being and Burnout in Medical Training
There is a need for longitudinal studies using validated measures to assess the effectiveness of wellness curriculums and institutional policies on reducing burnout among medical residents.
Education · 2 papers · avg 2025 · strong evidence - Social Media Impact on Consumer Behavior
The impact of specific social media platforms (Instagram, TikTok) and their credibility sources (influencers vs. brand accounts) on long-term consumer purchasing decisions and loyalty needs further investigation.
Social Science · 2 papers · avg 2026 · moderate evidence - Numerical Methods for Higher-Dimensional Problems
The numerical methods discussed in these papers have been validated only on 2D or simpler geometries; their extension and performance on higher-dimensional problems remain unexplored.
Biology · 2 papers · avg 2026 · strong evidence - Fractional Derivatives in Modeling
The papers collectively suggest a need for systematic comparison and application of different fractional derivative definitions (Caputo, Riemann-Liouville, Mittag-Leffler) to improve the accuracy and applicability of models in biological systems.
Chemistry · 2 papers · avg 2026 · strong evidence - Generalizability Across Populations and Settings
There is a need for larger, more diverse sample sizes and multi-center studies to validate findings across different populations and settings.
Education · 2 papers · avg 2026 · moderate evidence - Research Scope and Generalizability
There is a need for broader geographical and contextual replication of studies on the effectiveness of various educational and management practices.
Earth Science · 2 papers · avg 2026 · strong evidence - Retrospective Study Limitations
The studies collectively highlight the need for prospective randomized controlled trials to mitigate bias and provide more robust data on treatment efficacy, long-term outcomes, and mechanisms of intervention.
Medicine · 2 papers · avg 2026 · strong evidence - Meta-analysis limitations
The heterogeneity in study designs and outcome measurements across multiple systematic reviews precludes quantitative meta-analytic synthesis.
Medicine · 2 papers · avg 2026 · strong evidence - In vivo validation
Most studies lack in vivo animal or clinical validation of their findings observed in vitro or using organoid models.
Medicine · 2 papers · avg 2026 · moderate evidence - Qualitative Research Gaps
Most studies rely on quantitative methods and fail to explore learners', educators', patients', or participants' experiences and perceptions qualitatively.
Education · 2 papers · avg 2026 · moderate evidence - Relativistic Effects in Quantum Mechanics
The extension of relativistic effects to multi-electron systems and ultra-relativistic plasma regimes is unexplored.
Physics · 2 papers · avg 2025 · moderate evidence - Sub-gap phenomena
The precise characterization and quantification of sub-gap exponential broadening in optical spectra are required for materials such as ZnO, Cu2O, and CuO thin films, quantum skyrmions, and W boson beam functions.
Physics · 2 papers · avg 2026 · strong evidence - Residency Program Evaluations
There is a need to evaluate and scale wellness interventions across multiple residency programs, specialties, and institutions, particularly in urban settings beyond Family Medicine.
Education · 2 papers · avg 2022 · moderate evidence - No empirical data were collected; therefore, effectiveness claims regarding student learning, teacher practice, or scalability are outside the scope.
No empirical data were collected; therefore, effectiveness claims regarding student learning, teacher practice, or scalability are outside the scope.
Education · 5 papers · avg 2025.8 · weak evidence - Jumlah subjek yang terbatas juga menjadi kendala dalam generalisasi hasil penelitian ke populasi yang lebih luas.
Jumlah subjek yang terbatas juga menjadi kendala dalam generalisasi hasil penelitian ke populasi yang lebih luas.
Education · 5 papers · avg 2026 · weak evidence - Big data and AI in educational research require attention to issues of scale, context, and ethics in implementation.
Big data and AI in educational research require attention to issues of scale, context, and ethics in implementation.
Education · 5 papers · avg 2026 · weak evidence - The study relies exclusively on computational molecular docking and dynamics simulations without experimental validation through in vitro or in vivo antiviral efficacy assays.
The study relies exclusively on computational molecular docking and dynamics simulations without experimental validation through in vitro or in vivo antiviral efficacy assays.
Biology · 4 papers · avg 2024.5 · weak evidence - The datasets used are relatively small and may not fully represent real-world clinical diversity.
The datasets used are relatively small and may not fully represent real-world clinical diversity.
Computer Science · 3 papers · avg 2026 · weak evidence - The system should be validated in clinical settings with real patient data and integration with existing clinical workflows to confirm its utility as a decision-support tool.
The system should be validated in clinical settings with real patient data and integration with existing clinical workflows to confirm its utility as a decision-support tool.
Computer Science · 3 papers · avg 2026 · weak evidence - External validation across diverse geographic and demographic populations is required beyond the internal validation conducted.
External validation across diverse geographic and demographic populations is required beyond the internal validation conducted.
Computer Science · 3 papers · avg 2026 · weak evidence - Absence of systemic guidance and institutional support appears to hinder meaningful integration of AI in higher education contexts.
Absence of systemic guidance and institutional support appears to hinder meaningful integration of AI in higher education contexts.
Education · 3 papers · avg 2026 · weak evidence - The study lacks investigation of potential confounding variables such as student prior knowledge, socioeconomic status, or access to technology outside the classroom.
The study lacks investigation of potential confounding variables such as student prior knowledge, socioeconomic status, or access to technology outside the classroom.
Education · 3 papers · avg 2026 · weak evidence - The relationship between digital literacy levels of faculty and student learning outcomes is implied but not systematically investigated or theoretically modeled.
The relationship between digital literacy levels of faculty and student learning outcomes is implied but not systematically investigated or theoretically modeled.
Education · 3 papers · avg 2026 · weak evidence - The study does not compare perceived effectiveness with actual project outcomes, success metrics, or performance data.
The study does not compare perceived effectiveness with actual project outcomes, success metrics, or performance data.
Engineering · 3 papers · avg 2026 · weak evidence - This is not a systematic review or meta-analysis; thus, it does not provide quantitative comparisons of therapeutic efficacy.
This is not a systematic review or meta-analysis; thus, it does not provide quantitative comparisons of therapeutic efficacy.
Medicine · 3 papers · avg 2026 · weak evidence - The generalizability and applicability of findings to diverse patient populations and healthcare settings is not addressed.
The generalizability and applicability of findings to diverse patient populations and healthcare settings is not addressed.
Medicine · 3 papers · avg 2022.3 · weak evidence - Sample sizes within some studies were modest, which may restrict the generalizability of the reported findings.
Sample sizes within some studies were modest, which may restrict the generalizability of the reported findings.
Medicine · 3 papers · avg 2026 · weak evidence - The retrospective design of the study limits the ability to establish causal relationships.
The retrospective design of the study limits the ability to establish causal relationships.
Psychology · 3 papers · avg 2024.7 · weak evidence