Research gap analyses

Showing 1,081–1,140 of 1,987 gap analyses · page 19 of 34

• While numerous studies have revealed the impact of different bullying behaviors, such as victimization and perpetration, on the psychological development of adolescents, the exploration of the correla

  Future studies should investigate the causal relationships between parental smartphone addiction and preschool children's emotional regulation. Future studies should examine the effects of parental smartphone addiction on preschool children

  Psychology · 3 papers · avg 2025.3 · weak evidence
• The complexity of the relationship between parental conflict and adolescent anxiety. The need to address parental conflict as a significant risk factor for adolescent mental health. The need to priori

  Background An extensive body of previous research has established that maternal–adolescent relationship quality and autonomy development both have a positive impact on mental health outcomes for adolescents, yet little is known about the wa

  Psychology · 3 papers · avg 2025.7 · weak evidence
• A comprehensive understanding of how microbial community assembly processes affect multiple nutrient cycling remains unclear. The relative contributions of deterministic and stochastic processes in dr

  A comprehensive understanding of how microbial community assembly processes affect multiple nutrient cycling remains unclear. The relative contributions of deterministic and stochastic processes in driving bacterial and fungal community ass

  Agriculture · 3 papers · avg 2025.8 · weak evidence
• Further studies on the particularities of immature teeth should be performed to evaluate cell viability, cleaning efficiency, disinfection capacity and dentin removal promoted by the irrigation protoc

  Further studies on the particularities of immature teeth should be performed to evaluate cell viability, cleaning efficiency, disinfection capacity and dentin removal promoted by the irrigation protocols.

  Agriculture · 3 papers · avg 2024.8 · weak evidence
• The need for a comprehensive understanding of the evolution and intellectual structure of green farming practices research. The lack of analysis on the development of themes within the area of study.

  The need for a comprehensive understanding of the evolution and intellectual structure of green farming practices research. The lack of analysis on the development of themes within the area of study.

  Agriculture · 3 papers · avg 2025 · weak evidence
• Increasing the loading and extending the service life of metal active centres represents a considerable challenge for the efficient utilization of DACs. Designing an active and stable catalytic center

  Increasing the loading and extending the service life of metal active centres represents a considerable challenge for the efficient utilization of DACs. Designing an active and stable catalytic center remains challenging.

  Chemistry · 3 papers · avg 2024 · weak evidence
• The paper identifies a gap in effectively generating realistic street-view images from satellite images. The gap is due to the significant differences in viewpoints and imaging methods between satelli

  The paper identifies a gap in effectively generating realistic street-view images from satellite images. The gap is due to the significant differences in viewpoints and imaging methods between satellite and street-view images.

  Chemistry · 3 papers · avg 2026 · weak evidence
• One challenge is the limited mechanical resistance of glass ionomer cements. Another challenge is the high dissolution of glass ionomer cements in water sorption. The incorporation of silk fibroin nan

  One challenge is the limited mechanical resistance of glass ionomer cements. Another challenge is the high dissolution of glass ionomer cements in water sorption. The incorporation of silk fibroin nanoparticles could address these challenge

  Chemistry · 3 papers · avg 2026 · weak evidence
• Economic analyses of climate change policy may not appear to be presented in moral terms, but they typically rest on the premise that climate policy is warranted when it advances the moral/ethical obj

  Economic analyses of climate change policy may not appear to be presented in moral terms, but they typically rest on the premise that climate policy is warranted when it advances the moral/ethical objective of maximizing social net benefits

  Earth Science · 3 papers · avg 2023 · weak evidence
• While mainly positive associations between pro-environmental behavior and selected emotions, such as climate anxiety or climate anger, have been observed, research following a multidimensional underst

  While mainly positive associations between pro-environmental behavior and selected emotions, such as climate anxiety or climate anger, have been observed, research following a multidimensional understanding of climate emotions is scarce.

  Earth Science · 3 papers · avg 2024.3 · weak evidence
• The review reveals, first, how little is known about gender and entrepreneurial networks in general and especially about the gendered geography of such networks; and, second, the importance of investi

  The review reveals, first, how little is known about gender and entrepreneurial networks in general and especially about the gendered geography of such networks; and, second, the importance of investigating the impacts of social identity on

  Engineering · 3 papers · avg 2020 · weak evidence
• The paper does not provide a comprehensive comparison with all existing dark matter detection experiments. The simulation is limited to a specific dark photon-mediated model with fermionic dark matter

  The paper does not provide a comprehensive comparison with all existing dark matter detection experiments. The simulation is limited to a specific dark photon-mediated model with fermionic dark matter-electron interactions. The paper does n

  Physics · 3 papers · avg 2026 · weak evidence
• Although it has been examined in some literatures, coupling characteristics and mechanisms at different altitudes and the competition between the thermosphere and crustal magnetic fields for dominatin

  Although it has been examined in some literatures, coupling characteristics and mechanisms at different altitudes and the competition between the thermosphere and crustal magnetic fields for dominating ionospheric variations remain to be fu

  Physics · 3 papers · avg 2025.7 · weak evidence
• Investigating the performance of EXASP for more complex systems, - Exploring the application of EXASP to other quantum algorithms, - Developing more efficient methods for preparing excited states, - I

  Investigating the performance of EXASP for more complex systems, - Exploring the application of EXASP to other quantum algorithms, - Developing more efficient methods for preparing excited states, - Investigating the robustness of EXASP to

  Physics · 3 papers · avg 2026 · weak evidence
• BACKGROUND: While both older adults receiving assistance with daily living tasks for health or functioning reasons and the family members or kin-like friends who help them are affected by the context

  BACKGROUND: While both older adults receiving assistance with daily living tasks for health or functioning reasons and the family members or kin-like friends who help them are affected by the context of caregiving, little is known about how

  Psychology · 3 papers · avg 2021.7 · weak evidence
• There is a need for long-term studies on the effects of sustainable soil management on soil health in tropical coffee agroecosystems. Prior work has focused on short-term effects, and there is a lack

  There is a need for long-term studies on the effects of sustainable soil management on soil health in tropical coffee agroecosystems. Prior work has focused on short-term effects, and there is a lack of understanding of the long-term implic

  Agriculture · 3 papers · avg 2026 · weak evidence
• The persistence of pest populations during crop off-seasons is a major challenge for integrated pest management, yet the ecological processes underlying survival and re-infestation often remain unclea

  The persistence of pest populations during crop off-seasons is a major challenge for integrated pest management, yet the ecological processes underlying survival and re-infestation often remain unclear.

  Agriculture · 3 papers · avg 1995 · weak evidence
• The study was conducted over two years, which may not be representative of long-term trends. The experiment was limited to a single location and soil type. The study did not account for potential inte

  The study was conducted over two years, which may not be representative of long-term trends. The experiment was limited to a single location and soil type. The study did not account for potential interactions with other environmental factor

  Agriculture · 3 papers · avg 2026 · weak evidence
• While optimized bio-fertilization represents a promising restoration strategy, the mechanisms linking vegetation recovery, shifts in fungal community structure, and soil multifunctionality (SMF) remai

  While optimized bio-fertilization represents a promising restoration strategy, the mechanisms linking vegetation recovery, shifts in fungal community structure, and soil multifunctionality (SMF) remain poorly understood.

  Agriculture · 3 papers · avg 2025 · weak evidence
• Notably, isolates from the low-Al site exhibited higher tolerance than those from the + Al site, pointing to a complex interplay between soil chemistry, root exudation, and microbial selection that wa

  Notably, isolates from the low-Al site exhibited higher tolerance than those from the + Al site, pointing to a complex interplay between soil chemistry, root exudation, and microbial selection that warrants further investigation.

  Agriculture · 3 papers · avg 2025.3 · weak evidence
• However, the combined effects of microbial community composition, microbial life strategies, and extracellular enzymes on the dynamics of Rh under drought and nitrogen deposition conditions remain unc

  Although climatic and edaphic controls on savanna structure are well-studied, the contribution of soil microbial communities in maintaining spatial heterogeneity and coexistence remains poorly understood.

  Agriculture · 3 papers · avg 2025.3 · weak evidence
• Yet given the declining carbon accumulation rates as forests mature and limited land for further planting, how best to manage these forests to maximize their future carbon uptake remains poorly studie

  Yet given the declining carbon accumulation rates as forests mature and limited land for further planting, how best to manage these forests to maximize their future carbon uptake remains poorly studied.

  Agriculture · 3 papers · avg 2025 · weak evidence
• The study is limited by the lack of functional interpretation of common-variant signals. The study is also limited by the use of a post-GWAS interpretation approach, which may not capture all potentia

  The study is limited by the lack of functional interpretation of common-variant signals. The study is also limited by the use of a post-GWAS interpretation approach, which may not capture all potential effector genes. The study is further l

  Biology · 3 papers · avg 2025.3 · weak evidence
• There is a lack of standardized cross-sector surveillance of antimicrobial resistance in E. coli and Salmonella spp. The paper identifies a need for expanded genomic epidemiology to better understand

  There is a lack of standardized cross-sector surveillance of antimicrobial resistance in E. coli and Salmonella spp. The paper identifies a need for expanded genomic epidemiology to better understand the spread of resistant bacteria. There

  Biology · 3 papers · avg 2026 · weak evidence
• The study identifies a gap in understanding the bioaccumulation patterns of trace and essential metals in marine fishes. There is a need to assess the influence of feeding ecology and metabolic capaci

  The study identifies a gap in understanding the bioaccumulation patterns of trace and essential metals in marine fishes. There is a need to assess the influence of feeding ecology and metabolic capacity on metal bioaccumulation. The researc

  Biology · 3 papers · avg 2026 · weak evidence
• Drought stress can have significant negative effects on plant growth and productivity. There is a need to find effective strategies to alleviate the effects of drought stress on plants. The use of exo

  Drought stress can have significant negative effects on plant growth and productivity. There is a need to find effective strategies to alleviate the effects of drought stress on plants. The use of exogenous substances to alleviate drought s

  Biology · 3 papers · avg 2025.3 · weak evidence
• The study identifies a gap in the understanding of thermophysical properties of graphene oxide nanofluids. The gap is addressed by investigating the effects of nanoparticle concentration on thermal co

  The study identifies a gap in the understanding of thermophysical properties of graphene oxide nanofluids. The gap is addressed by investigating the effects of nanoparticle concentration on thermal conductivity and stability.

  Chemistry · 3 papers · avg 2026 · weak evidence
• This review fills a key gap in the literature by providing thorough insights into polymeric materials, which are essential for developing high-performance solutions in the biomedical, construction, ae

  This review fills a key gap in the literature by providing thorough insights into polymeric materials, which are essential for developing high-performance solutions in the biomedical, construction, aerospace, and automotive industries.

  Chemistry · 3 papers · avg 2024 · weak evidence
• ABSTRACT Water oxidation is crucial for energy conversion and storage technologies, but its efficiency is limited by the spin‐flip characteristics of the oxygen evolution reaction (OER).

  ABSTRACT Water oxidation is crucial for energy conversion and storage technologies, but its efficiency is limited by the spin‐flip characteristics of the oxygen evolution reaction (OER).

  Chemistry · 3 papers · avg 2025.7 · weak evidence
• The application of ZnO–ZrO 2 -based oxide catalysts in the CO 2 -to-methanol hydrogenation reaction has garnered significant attention; yet, insights into the active site configurations and reaction m

  The application of ZnO–ZrO 2 -based oxide catalysts in the CO 2 -to-methanol hydrogenation reaction has garnered significant attention; yet, insights into the active site configurations and reaction mechanism remain elusive.

  Chemistry · 3 papers · avg 2025 · weak evidence
• The low reactivity of methane, - the need for harsh conditions in the current industrial methane-to-methanol production process, - the challenge of designing more efficient reactors for plasma-catalyt

  The low reactivity of methane, - the need for harsh conditions in the current industrial methane-to-methanol production process, - the challenge of designing more efficient reactors for plasma-catalytic partial oxidation

  Chemistry · 3 papers · avg 2025.3 · weak evidence
• However, its efficiency is limited by a slow 6‐electron transfer process, necessitating advanced electrocatalysts to accelerate the urea oxidation reaction (UOR) and moderate overpotential, thereby cu

  However, its efficiency is limited by a slow 6‐electron transfer process, necessitating advanced electrocatalysts to accelerate the urea oxidation reaction (UOR) and moderate overpotential, thereby cutting energy losses.

  Chemistry · 3 papers · avg 2024 · weak evidence
• The exploration of the potential of hierarchical Ti-MFI zeolites in other reactions. The development of new catalytic systems for CO2 utilization. The investigation of the mechanisms of catalysis in h

  The recovery difficulty associated with nano-sized TS-1. The need to enhance mass transfer characteristics of plate-like crystals. The limitation of morphology regulation alone in achieving practical catalytic performance.

  Chemistry · 3 papers · avg 2026 · weak evidence
• BACKGROUND: While messenger RNA- RNA-lipid nanoparticle (mRNA-LNP) vaccines are known to be immunogenic, the specific innate immune cells activated and the distinct contributions of the LNP and mRNA t

  BACKGROUND: While messenger RNA- RNA-lipid nanoparticle (mRNA-LNP) vaccines are known to be immunogenic, the specific innate immune cells activated and the distinct contributions of the LNP and mRNA to the immune response remain unclear.

  Chemistry · 3 papers · avg 2025 · weak evidence
• Determining the appropriate evaluation metrics for model selection and weight allocation is essential when constructing MMEs. Investigating the applicability of the QM bias-correction method in inflat

  Determining the appropriate evaluation metrics for model selection and weight allocation is essential when constructing MMEs. Investigating the applicability of the QM bias-correction method in inflating/deflating various conditions of clim

  Earth Science · 3 papers · avg 2025.3 · weak evidence
• Abstract Although school climate plays an important role in the development of adolescent prosocial behaviors and problem behaviors, little is known about the mechanisms underlying school climate's im

  the conceptual confusion in the field of school climate - the abundance of theoretical frameworks and measurement instruments - the need to develop a search strategy that captures the theoretical vastness of the school climate construct

  Earth Science · 3 papers · avg 2025.5 · weak evidence
• The study identifies a gap in the representation of complex patterns of heterogeneity associated with hydraulic property of a volcanic multi-aquifer system - The study identifies a gap in the developm

  The study identifies a gap in the representation of complex patterns of heterogeneity associated with hydraulic property of a volcanic multi-aquifer system - The study identifies a gap in the development of robust and practical tools for co

  Earth Science · 3 papers · avg 2026 · weak evidence
• Climate change-induced metabolic decoupling in grapevines compromises wine quality in warm regions. Current strategies for mitigating this effect are limited. There is a need for effective and practic

  The impact of foliar zeolite application on grapevine varieties under Mediterranean summer stress conditions is not well understood. The combination of short-term mitigation strategies with long-term adaptation approaches in viticulture is

  Earth Science · 3 papers · avg 2025.5 · weak evidence
• Climate variability affects precipitation patterns, temperature regimes, and hydrological balances. There is a gap between climate awareness and response capacity. Institutional support and technical

  It identifies key knowledge gaps in the literature, including limited treatment of climatic influences on PCM behavior, insufficient comparative insights across regions, and fragmented integration of modeling and experimental findings.

  Earth Science · 3 papers · avg 2023.3 · weak evidence
• Despite increasing regulatory and stakeholder pressure for climate-related reporting, it remains unclear whether climate-related disclosures contribute significantly to the earnings multiple of listed

  Despite increasing regulatory and stakeholder pressure for climate-related reporting, it remains unclear whether climate-related disclosures contribute significantly to the earnings multiple of listed oil and gas companies in Nigeria.

  Earth Science · 3 papers · avg 2026 · weak evidence
• The dynamic relationships among clean energy, fossil fuel, and AI-based financial assets are not well understood. There is a lack of research on the time-frequency connectedness between clean energy,

  The paper identifies a gap in the existing literature on the relationship between financial development and environmental sustainability. The study notes that the existing literature has not fully examined the role of renewable energy in sh

  Economics · 3 papers · avg 2026 · weak evidence
• The role of instructional scaffolding in AI-supported settings is underexplored. There is a lack of understanding about how scaffolding influences learning outcomes and motivational, cognitive, and me

  The role of instructional scaffolding in AI-supported settings is underexplored. There is a lack of understanding about how scaffolding influences learning outcomes and motivational, cognitive, and metacognitive processes during AI-tutored

  Education · 3 papers · avg 2026 · weak evidence
• The study identifies the challenge of ensuring equitable access and promoting digital inclusion in higher education. It highlights the need to address the 'digital paradox' and remove traditional part

  The study identifies the challenge of ensuring equitable access and promoting digital inclusion in higher education. It highlights the need to address the 'digital paradox' and remove traditional participation hierarchies. The research also

  Education · 3 papers · avg 2024 · weak evidence
• There is a gap in the literature regarding the historical and anthropological data on the sex role stigmatization of African American women in the arena of child's play. Little has been recorded and c

  There is a gap in the literature regarding the historical and anthropological data on the sex role stigmatization of African American women in the arena of child's play. Little has been recorded and corroborated incorporating historical and

  General · 3 papers · avg 1998.7 · weak evidence
• Further study is needed to refine the quantitative assessments of the relative role of various forces in causing racial residential separation. Research should continue to explore the complex interpla

  The paper also shows that spatial segregation (unevenness) declined at the same time although it remains to be seen whether this indicates a long-term shift to less segregated urban forms or a transitional outcome before new forms of segreg

  General · 3 papers · avg 2005 · weak evidence
• Further studies on the application of topology optimization in additive manufacturing for aerospace components. Investigation of the effects of different optimization methods and parameters on the des

  The need for lightweight structural components in aerospace applications. The limited use of topology optimization in additive manufacturing for aerospace applications.

  Mathematics · 3 papers · avg 2026 · weak evidence
• The need for a framework that incorporates connectivity constraints directly into the topology optimization formulation. The lack of a level set and topological derivative-based framework for connecti

  The need for a framework that incorporates connectivity constraints directly into the topology optimization formulation. The lack of a level set and topological derivative-based framework for connectivity constraints.

  Mathematics · 3 papers · avg 2026 · weak evidence
• No study in this set prospectively compares the diagnostic accuracy of a combined ultrasound-Doppler-serum panel against liver biopsy (the reference standard) in a single tertiary-care cohort of adult

  No study in this set prospectively compares the diagnostic accuracy of a combined ultrasound-Doppler-serum panel against liver biopsy (the reference standard) in a single tertiary-care cohort of adults with chronic hepatitis C. Prior valida

  Medicine · 3 papers · avg 2026 · weak evidence
• The current approaches to detecting gravitational waves have limitations, and new methods are needed to cover the frequency range of 0.1 mHz to tens of nHz. The paper identifies a gap in the detection

  The current approaches to detecting gravitational waves have limitations, and new methods are needed to cover the frequency range of 0.1 mHz to tens of nHz. The paper identifies a gap in the detection of gravitational waves and ultralight d

  Physics · 3 papers · avg 2026 · weak evidence
• BACKGROUND: While rapid digitalization has helped society cope with the uncertainty of the COVID-19 pandemic, will it bring health equity to the digitally disadvantaged? Limited studies have explored

  BACKGROUND: While rapid digitalization has helped society cope with the uncertainty of the COVID-19 pandemic, will it bring health equity to the digitally disadvantaged? Limited studies have explored how individuals' digital activities may

  Psychology · 3 papers · avg 2025.7 · weak evidence
• The subject of counselor candidate characteristics and counseling effectiveness remains largely enigmatic. Prior work has been frustrated by inadequate instruments and a lack of appropriate criteria.

  The study had a relatively small sample size of thirty secondary school counselors. The study used a limited number of psychometric measurements, which may not have captured all the important characteristics of effective counselors. The stu

  Psychology · 3 papers · avg 1974 · weak evidence
• BACKGROUND: While many studies have investigated the sociodemographic, clinical, and psychosocial factors associated with perceived positive change after cancer, longitudinal work examining how emotio

  BACKGROUND: While many studies have investigated the sociodemographic, clinical, and psychosocial factors associated with perceived positive change after cancer, longitudinal work examining how emotion regulation, and resilience impact perc

  Psychology · 3 papers · avg 2018.3 · weak evidence
• The current state of the art disregards consequences of age-related stereotypes on the well-being of older adults. There is a lack of research on the impact of age-related stereotypes on eudaimonic we

  The current state of the art disregards consequences of age-related stereotypes on the well-being of older adults. There is a lack of research on the impact of age-related stereotypes on eudaimonic well-being. The mechanisms through which a

  Psychology · 3 papers · avg 2011 · weak evidence
• The lack of understanding of the role of indigenous environmental ethics and traditional institutions in regulating forest use. The need for renewed attention to indigenous conservation frameworks in

  The lack of understanding of the role of indigenous environmental ethics and traditional institutions in regulating forest use. The need for renewed attention to indigenous conservation frameworks in contemporary environmental policy. The g

  Social Science · 3 papers · avg 2026 · weak evidence
• The temporal dynamics of opinion formation on social media—how quickly opinions shift, whether changes persist, and how repeated exposure to conflicting viewpoints affects stability of political belie

  The temporal dynamics of opinion formation on social media—how quickly opinions shift, whether changes persist, and how repeated exposure to conflicting viewpoints affects stability of political beliefs—remain unexplored across this set. Ex

  Social Science · 3 papers · avg 2019.7 · weak evidence
• The lack of understanding of the effect of green factory certification on corporate capacity utilization. The need for empirical evidence on the mechanisms through which green factory certification af

  The lack of understanding of the effect of green factory certification on corporate capacity utilization. The need for empirical evidence on the mechanisms through which green factory certification affects corporate capacity utilization. Th

  Social Science · 3 papers · avg 2026 · weak evidence
• However, the optimal timing and allocation of micro-supplemental irrigation, and the root–nitrogen mechanisms linking stage-targeted water inputs to yield formation and water use efficiency (WUE), rem

  However, the optimal timing and allocation of micro-supplemental irrigation, and the root–nitrogen mechanisms linking stage-targeted water inputs to yield formation and water use efficiency (WUE), remain insufficiently quantified.

  Agriculture · 3 papers · avg 2025.3 · weak evidence
• Background Seed storage conditions are critical determinants of rice seed viability and subsequent germination performance; however, the extent to which biochar-based seed coatings enhance storage tol

  Background Seed storage conditions are critical determinants of rice seed viability and subsequent germination performance; however, the extent to which biochar-based seed coatings enhance storage tolerance and the underlying physiological

  Agriculture · 3 papers · avg 2023.7 · weak evidence
• The lack of mechanistic grounding for soil moisture constraints on carbon and water fluxes in terrestrial biosphere models. The need for a more coherent alternative to existing soil moisture parameter

  The lack of mechanistic grounding for soil moisture constraints on carbon and water fluxes in terrestrial biosphere models. The need for a more coherent alternative to existing soil moisture parameterisations.

  Agriculture · 3 papers · avg 2025 · weak evidence
• The current data divide between agricultural, public health, and biodiversity sectors is a primary barrier to implementing a true One Health approach. The lack of integrated data on livestock and biod

  The current data divide between agricultural, public health, and biodiversity sectors is a primary barrier to implementing a true One Health approach. The lack of integrated data on livestock and biodiversity hinders our understanding of th

  Agriculture · 3 papers · avg 2025.3 · weak evidence