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The Interwoven Dynamics Of Climate, Fire, Resilience And Orangutan Survival In Central Kalimantan’S Peat Swamp Forest, Putu Pujiantari
The Interwoven Dynamics Of Climate, Fire, Resilience And Orangutan Survival In Central Kalimantan’S Peat Swamp Forest, Putu Pujiantari
Graduate Theses and Dissertations
Tropical peat swamp forests are globally significant carbon reservoirs and biodiversity strongholds, yet they face escalating threats from climate change, fire, and anthropogenic disturbances. This dissertation investigates the interwoven dynamics of climate, fire, forest resilience, and orangutan survival in Central Kalimantan, Indonesia, a region which was transformed by the failed Mega Rice Project and recurrent catastrophic wildfires for decades. Using a multi-scale approach that integrates remote sensing time-series analysis (2001–2024),nlandscape-scale disturbance mapping (2005–2025), and fine-scale movement ecology, this research tests three core hypotheses: (1) moisture availability is the dominant climatic driver of wildfire activity, operating through non-linear thresholds; (2) post-fire …
Investigating Culicoides Diversity, Distribution, And Behavior In Arkansas, Cassandra Steele
Investigating Culicoides Diversity, Distribution, And Behavior In Arkansas, Cassandra Steele
Graduate Theses and Dissertations
Culicoides biting midges (Diptera: Ceratopogonidae) are globally important vectors of pathogens affecting livestock and wildlife. In the United States (US), transmission of bluetongue virus (BTV), epizootic hemorrhagic disease virus (EHDV), and vesicular stomatitis virus (VSV) results in economic losses and periodic mortality events of wild and domestic ruminants. Culicoides sonorensis is the confirmed vector of BTV and EHDV in the western regions of the US, however this species is uncommon throughout much of the eastern and southeastern US, where hemorrhagic diseases remain endemic. There are likely other putative vector species responsible for pathogen transmission. This research investigated Culicoides diversity, distribution, …
Idenscarty: Sewing As A Coping Mechanism Beyond Reductive Aesthetics And Capitalism, Edward Berchie Osei
Idenscarty: Sewing As A Coping Mechanism Beyond Reductive Aesthetics And Capitalism, Edward Berchie Osei
Graduate Theses and Dissertations
The act of sewing, an intergenerational craft often subordinated to aesthetics and capitalism, is being recognized for its benefit to emotional well-being, identity (re)formation, cultural continuity, and communal interconnectedness. In this context, this thesis emerges from my lived experiences and artistic inquiry into how sewing, slow-sewing in particular, can serve as a therapeutic practice, with special consideration for contemporary art pedagogy. Central to the thesis is the concept of IDENSCARTY, which combines themes of identity, scars, and transcultural influence to project the responsive abilities of Therapeutic Sewing Practices (TSP), a term that highlights the workability of slow-sewing practices. Informed by …
Establishing Ferromagnetism In Van Der Waals Antiferromagnets Mps3, Dinesh Upreti
Establishing Ferromagnetism In Van Der Waals Antiferromagnets Mps3, Dinesh Upreti
Graduate Theses and Dissertations
Recent discoveries of magnetism in low dimensions not only have gained fundamental scientific interest but also holds significant potential in numerous technological applications, such as spintronics. This has led to a wide range of efforts in the synthesis of new layered materials or tuning their existing magnetic properties, which has been instrumental in understanding the novel physical concept and development of new technological frontiers. Transition metal thiophosphate, MPS3, is a class of layered antiferromagnet family. The rich magnetic/crystal structure with delicate choice of transition metal (M) together with intriguing optical, electronic, and ferroelectric properties have placed them as a model …
The Gravity Of The Ukraine War: Measuring Conflict Impacts On European Grain Trade, Stefan Bonchis
The Gravity Of The Ukraine War: Measuring Conflict Impacts On European Grain Trade, Stefan Bonchis
Graduate Theses and Dissertations
This thesis investigates the heterogeneous structural disruptions caused by the war in Ukraine on the European Union’s agricultural trade architecture, focusing on three critical commodities: wheat, maize, and sunflower seeds. Employing a structural gravity model framework across all 27 EU Member States, the study evaluates two conflict episodes, the 2014 Crimea annexation and the 2022 full-scale invasion, to identify the net beneficiaries and heavily impacted nations within the EU agricultural trade network. The empirical strategy utilizes a dual-test design to capture the full scope of the disruption. Test A (Ukraine towards the EU trade) reveals a distinct geographic logic in …
Chaotropic And Kosmotropic Effects Of Brines On Protein Structure: Habitability Across The Solar System, Shelby Dawn Osborne
Chaotropic And Kosmotropic Effects Of Brines On Protein Structure: Habitability Across The Solar System, Shelby Dawn Osborne
Graduate Theses and Dissertations
Salts exhibit unique and specific effects on biomolecular structure depending on the physical nature of the salt (ion density, formation of hydration shells, direct binding to protein). This thesis implements biochemical, thermodynamic, and computational methods to investigate how the nature of the salt effects protein structure, which aids in defining the habitability of various brine solutions. By using simple proteins and solar system relevant salts, we inspect the physical reactions of proteins to these saltwater environments to understand which salts stabilize or destabilize protein structure. Several methods of experimentation are utilized to provide an understanding of the interaction relevant to …
Ontogenetic Variation In Palatal Morphology In Tufted And Untufted Capuchins, Valerie Contreras
Ontogenetic Variation In Palatal Morphology In Tufted And Untufted Capuchins, Valerie Contreras
Graduate Theses and Dissertations
ABSTRACT Craniofacial variation and its relation to diet have been widely examined, but with less attention exclusively to the palate. Previous studies have shown that groups consuming a more resistant diet exhibit morphological differences in the craniofacial skeleton, including a longer and wider palate when compared to groups consuming a less resistant diet; similar patterns have been observed among captive vs. wild populations. Here, I present a 3D morphometric analysis of palatal ontogeny in tufted (Sapajus spp.) and untufted (Cebus spp.) capuchins and compare captive vs. free-ranging semi-provisioned Sapajus. Tufted capuchins are known to consume more mechanically resistant foods compared …
Automated Machine Learning And Satellite Image Data Fusion For Monitoring Water Quality In Mosaicked Landscapes, Sahar Rezaei
Automated Machine Learning And Satellite Image Data Fusion For Monitoring Water Quality In Mosaicked Landscapes, Sahar Rezaei
Graduate Theses and Dissertations
Despite the ecological, economic, and social importance of inland water bodies, they are increasingly impacted by human and natural drivers. Harmful algal blooms (HABs) and total suspended solids (TSS) are key indicators of water quality, and elevated concentrations pose significant ecological and public health risks. The spatiotemporal dynamics of these variables remain insufficiently understood in major river systems, including the Upper Mississippi River (UMR) and the Illinois River Basin (IRB). While in situ measurements provide accurate observations, they are costly and offer limited spatial and temporal coverage, restricting basin-scale monitoring. Remote sensing offers a powerful alternative; however, single-sensor approaches are …
Corn Yield And Tissue-Potassium Response To Potassium Fertilization, Wyatt A. Rongey
Corn Yield And Tissue-Potassium Response To Potassium Fertilization, Wyatt A. Rongey
Graduate Theses and Dissertations
Potassium (K) deficiency is an increasingly important yield-limiting factor for irrigated corn (Zea mays L.) in Arkansas, where below optimum soil-test K (STK) acreage is increasing and visible K deficiencies or hidden K hunger threaten yield and profitability. Improving K management for modern, high-yielding hybrids require refining soil-test-based fertilizer recommendations and defining growth-stage-specific tissue-K sufficiency ranges that diagnose deficiency before irrecoverable yield loss occurs. This research aimed to i) quantify corn grain yield and yield component responses to K fertilization across a wide range of STK levels; ii) determine the frequency and magnitude of agronomically and economically meaningful yield responses …
Leveraging Data Science And Analytics For Next-Generation Transportation And Logistics: Literature Review And Regional Analysis, Kazi Humayra Shams
Leveraging Data Science And Analytics For Next-Generation Transportation And Logistics: Literature Review And Regional Analysis, Kazi Humayra Shams
Graduate Theses and Dissertations
The increasing integration of data science and analytics into next-generation transportation and logistics planning and operations offers improved system performance but requires managing and interpreting vast and complex datasets. The Arkansas Smart Transportation Research, Infrastructure and Data-Driven Engineering Systems (AR-STRIDES) program (NSF Award No. 2445877) is working to develop data science solutions and data-driven supply chain technologies for next-generation transportation and logistics systems. This thesis supports AR-STRIDES by providing a comprehensive literature review of recent literature studying data science and analytics in transportation and logistics systems and conducting a regional analysis of Arkansas to create a database of companies, higher …
Evaluation Of Loading, Release, And Bioavailability Of Resveratrol Encapsulated In Porous Starch, Yu-Yun Wang
Evaluation Of Loading, Release, And Bioavailability Of Resveratrol Encapsulated In Porous Starch, Yu-Yun Wang
Graduate Theses and Dissertations
Resveratrol (Res) is a polyphenolic compound found in grapes, red wine, and berries, with health benefits such as antioxidant, anti-inflammatory, and cardioprotective properties. The poor stability and bioaccessibility of Res after consumption by humans require the development of delivery systems. Among many delivery systems, porous starch (PS) is a safe, cost-effective, and high in adsorption capacity encapsulation material for drugs and bioactive compounds sensitive to environmental factors like light and heat. Porous rice, corn, and potato starch have different granule sizes, pore volumes, and surface areas. However, the impact of these encapsulation capabilities remains unclear among the three porous starches. …
Parent-Child Interaction Therapy For Toddlers In Japan: Comparing Outcomes For Children With And Without Autism And/Or Developmental Delays, Emily-Anne Sevilla Del Rosario
Parent-Child Interaction Therapy For Toddlers In Japan: Comparing Outcomes For Children With And Without Autism And/Or Developmental Delays, Emily-Anne Sevilla Del Rosario
Graduate Theses and Dissertations
Parent-Child Interaction Therapy for Toddlers (PCIT-T) is a toddler adaptation of Parent-Child Interaction Therapy designed to improve social-emotional development and parenting practices among children under two years of age. This study evaluated the effectiveness of PCIT-T among Japanese families and explored whether treatment outcomes differed between neurotypical toddlers and autistic children and/or children with developmental delays. Data was analyzed from 83 parent-child dyads who received PCIT-T in community-based agencies across Japan between 2018 and 2023. Results indicated significant improvements in children’s protective developmental factors, caregiver use of PRIDE skills, and reductions in Avoid skills following treatment. CARES skills did not …
Sigesn-Based Lasers On Silicon For Mid-Infrared Optoelectronics, Sudip Acharya
Sigesn-Based Lasers On Silicon For Mid-Infrared Optoelectronics, Sudip Acharya
Graduate Theses and Dissertations
Germanium-tin (GeSn) alloys represent a significant advancement in semiconductor technology, particularly for applications in the short-wave and mid-infrared (SWIR and MIR) spectral ranges. As a group IV material system, these alloys offer a unique combination of tunable optoelectronic properties and full compatibility with established silicon-based manufacturing processes. The controlled incorporation of tin into germanium enables the engineering of a fundamental direct bandgap, a critical feature that distinguishes GeSn from its indirect bandgap materials, silicon and germanium. This direct bandgap behavior which was demonstrated in high-quality single crystalline GeSn alloys around the year 2015 is the foundation for efficient light emission …
The Role Of Speculators In The Agricultural Futures Market And Their Impact On Prices, Clement Asamoah
The Role Of Speculators In The Agricultural Futures Market And Their Impact On Prices, Clement Asamoah
Graduate Theses and Dissertations
The study evaluates the impact of speculative activity on agricultural commodity returns, specifically in the corn, soybeans, rice, and oats markets. The study also analyzed the influence commodity returns have on speculative positions. Weekly data from the Commodity Futures Trading Commission were used as a proxy for speculative activity, and futures data were also retrieved from Barchart. Vector Autoregressive models and the Granger Causality tests were estimated to identify the relationships between returns and speculation. The paper found that speculative positions do not Granger-cause returns over the course of a week except for rice Tuesday results, which recorded a statistically …
“We Have The Right To Education”: Exploring Student Experiences, Disability Policy, And The Need For Culturally Refined Awareness Raising On Inclusive Higher Education Within The English-Speaking Caribbean, Kadesha Treco
Graduate Theses and Dissertations
Within the English-speaking Caribbean, research at the intersection of inclusive education policy and higher education (HIED) remains limited. Despite the ratification of the United Nations Convention on the Rights of Persons with Disabilities (2006) by countries across the region, the establishment of the CARICOM Special Rapporteur on Disabilities, and the creation of several pieces of national disability legislation, there is little evidence regarding the effectiveness of these initiatives at improving access to HIED. Therefore, this dissertation contributes to regional scholarship on inclusive education by examining how access to, and experiences within HIED institutions are shaped for students with disabilities. This …
Beyond Access: Native American Students' Sense Of Belonging At Land-Grant Pwis, Skyler Ames-Patton
Beyond Access: Native American Students' Sense Of Belonging At Land-Grant Pwis, Skyler Ames-Patton
Graduate Theses and Dissertations
Native American students remain one of the most underrepresented populations within higher education and continue to experience unique challenges related to belonging, visibility, and persistence, particularly within predominantly White institutions (PWIs). Although sense of belonging has been widely recognized as a significant factor influencing student success and retention, traditional approaches to belonging often fail to account for distinct cultural, historical, and relational experiences that shape Native students’ educational journeys. This study explores how Native American students describe their interpersonal experiences and sense of belonging at a public, land-grant, PWI in the mid-South region of the United States. Guided by Tribal …
Advancing Social Media Analytics And Personalized Generation Via Transfer Learning, Discourse-Aware Modeling, And Collaborative Modeling, Gibson Nkhata
Graduate Theses and Dissertations
Social media platforms have become central to information exchange, shaping public opinion across social, political, and economic domains. However, the massive volume of user-generated content, combined with its informal, nuanced, and often noisy nature, presents significant challenges for automated analysis and generation. Tasks such as stance detection, rumor verification, and personalized content generation are further complicated by sarcasm, evolving discourse structures, and diverse user preferences. Addressing these challenges requires models that can effectively leverage linguistic nuance, conversational dynamics, and collaborative user signals. Transfer learning has emerged as a powerful paradigm for improving performance in low-resource and complex language understanding tasks. …
Effectiveness Of Pcit With Toddlers In A Community-Based Sample: Special Considerations For Youth With Neurodevelopmental Conditions, Rebecca Scott Bradley
Effectiveness Of Pcit With Toddlers In A Community-Based Sample: Special Considerations For Youth With Neurodevelopmental Conditions, Rebecca Scott Bradley
Graduate Theses and Dissertations
The early caregiving environment serves as the context in which young children develop emotional regulation abilities. While supportive, responsive caregiving is crucial for helping children regulate their own emotions in times of stress, disruptions to the parent-child relationship may set the stage for poor emotion regulation throughout childhood. Emotional and behavioral problems, particularly in children with neurodevelopmental conditions, may stem from early difficulties with emotion regulation. If left untreated, emotion dysregulation in children can mark a trajectory towards continued social-emotional concerns and family disruption; as such, the toddler years represent an ideal time for intervention. Parent-Child Interaction Therapy for Toddlers …
Cellulose Membrane Performance And Properties With Focus On Dialysis Application, Juliana Marçal
Cellulose Membrane Performance And Properties With Focus On Dialysis Application, Juliana Marçal
Graduate Theses and Dissertations
Chronic kidney disease affects approximately 35 million individuals in the United States, with nearly 550,000 patients dependent on dialysis for survival. Chronic kidney disease and end stage kidney disease impose substantial burdens on patients and healthcare systems, driving demand for improved dialysis membranes with enhanced flux, selectivity, and biocompatibility. The performance of dialysis membranes plays a critical role in treatment efficiency, governing solute transport, fluid removal, and overall therapeutic outcomes. In hemodialysis, membranes must achieve an optimal balance between high permeability and selective solute rejection while maintaining mechanical stability and long-term biocompatibility. Conventional dialysis membranes are commonly fabricated from polymeric …
Black Americana: Packaging Black Critique For White Consumption, Sean Bloemetjie
Black Americana: Packaging Black Critique For White Consumption, Sean Bloemetjie
Graduate Theses and Dissertations
In this project, I extend the theorization of Black Americana, a conservative, racialized mass media project where Black celebrities, through the assertion of the American-ness and promotion of the American empire, engage in the containment of Blackness and Black people. Historically, Black Americana was conceptualized by Michele White around the online marketplace for racist, caricatured, slavery-era memorabilia, but I argue that this practice has morphed and evolved into a prominent form of mediated Black subjugation by Black elites. Utilizing Whitney Houston’s performance of the national anthem as a case study, I argue in the introduction that, by insisting upon her …
Towards Audio-Driven Photorealistic Avatars For Teleconsultation: A Development And Evaluation Framework Under Constrained Bandwidth Environments, Fnu Himanshu
Graduate Theses and Dissertations
Telehealth can improve access to healthcare services, especially for patients in rural and underserved areas. Many telehealth services use video communication to provide real-time interaction and a visible connection between patients and healthcare providers. However, video communication requires continuous transmission of audio and video data. When network conditions are limited or unreliable, audio and video interruptions can reduce communication quality. This thesis explores an audio-driven photorealistic avatar as a possible visual communication layer for teleconsultation without requiring continuous webcam video transmission. It develops two connected frameworks: the Audio-Driven Photorealistic Avatar Communication Framework and the Evaluation Framework. The Audio-Driven Photorealistic Avatar …
A Systems Analysis Of Autonomous Uav Swarm Spraying For Precision Agriculture, Ryker Davis
A Systems Analysis Of Autonomous Uav Swarm Spraying For Precision Agriculture, Ryker Davis
Graduate Theses and Dissertations
The application of Unmanned Aerial Vehicles (UAVs) in civilian sectors, particularly for precision agriculture and targeted aerial spraying, has rapidly evolved from passive monitoring to advanced, autonomous, multi-agent coordination. While deploying UAV swarms offers a promising solution to the payload and battery endurance limitations of single drone operations, realizing field-scale coverage introduces significant logistical and safety challenges. To evaluate the trajectory and viability of swarms, this study synthesizes bibliometric trends, operational simulation, and safety reporting analysis. First, because physical testing of complex swarms poses financial and safety risks, we developed an agent-based and discrete event simulation to evaluate autonomous spraying …
Design And Modeling Of A Robotic Manipulator For Agricultural Explorations, Trent Thomas Powell
Design And Modeling Of A Robotic Manipulator For Agricultural Explorations, Trent Thomas Powell
Graduate Theses and Dissertations
This thesis focuses on the modeling, design, and early testing of a spherical revolute revolute prismatic (RRP) robotic manipulator for probe based applications. The system is motivated by agricultural grain probing, where a probe is positioned over a truck bed and inserted into the grain to collect samples as trucks enter storage facilities, ports, hubs, or transfer points. A spherical RRP configuration is useful for this type of task because it provides a large accessible workspace while maintaining a relatively simple mechanical structure. A model based design approach is used to develop the system, beginning with forward and inverse kinematics …
Investigation Of Early To Late Cretaceous North American Ecosystems And Paleoclimate Using Geochemical Proxies, Clayton William Forster
Investigation Of Early To Late Cretaceous North American Ecosystems And Paleoclimate Using Geochemical Proxies, Clayton William Forster
Graduate Theses and Dissertations
The relationships between the environment and an organism can be traced through stable isotope and trace element geochemistry. This thesis explores the stable oxygen and carbon isotopic composition of fossil vertebrate assemblages in pursuit of revealing the relationships between dinosaurs and their archosaur relatives with the environment in which they lived during the Cretaceous. The Cretaceous Period of North America experienced some of the hottest intervals in the Phanerozoic Eon and the continental vertebrate taxa that existed during this time recorded these periods within the stable isotopic composition of their skeletal bioapatite. Oxygen isotopes in the bioapatite of vertebrates reflect …
Item Response Theory Evaluation Of Mental Health Sentiment Scales, Muhammad Amzad Hossain
Item Response Theory Evaluation Of Mental Health Sentiment Scales, Muhammad Amzad Hossain
Graduate Theses and Dissertations
Mental health is an essential part of overall well-being. Accurate measurement of constructs such as loneliness, anxiety, depression, and life satisfaction is extremely important in research and practice. Traditional approaches based on Classical Test Theory (CTT) are limited. They rely on total test scores and assume constant measurement error across individuals. They may not reflect true variability in measurement precision (Zein & Akhtar, 2025; Marvianto, 2023). In contrast, Item Response Theory (IRT) provides an advanced approach by examining item-level performance. It models the relationship between latent traits and responses (Zein & Akhtar, 2025 ). To address these limitations, this study …
Identifying Muscle Health Deficits Among Older Adults With And Without Cognitive Impairment, Ray Guerreros Urbina
Identifying Muscle Health Deficits Among Older Adults With And Without Cognitive Impairment, Ray Guerreros Urbina
Graduate Theses and Dissertations
Age-related declines in skeletal muscle health (SMH) and cognitive function are major contributors to disability, loss of independence, and reduced quality of life among older adults. Emerging evidence suggests that skeletal muscle and cognitive health may be interconnected through shared physiological mechanisms; however, the relationships between specific aspects of SMH and cognitive performance remain unclear. Therefore, the purpose of this study was to examine the relationships between SMH and cognitive performance among older adults and to determine whether SMH differs between cognitively healthy and cognitively impaired individuals after accounting for age and physical activity. A cross-sectional analysis was conducted using …
Challenges And Opportunities In Dry Aging: Producer Perspectives And Valorization Of Dry- Aged Waste Products, Peyton Scout Arnold
Challenges And Opportunities In Dry Aging: Producer Perspectives And Valorization Of Dry- Aged Waste Products, Peyton Scout Arnold
Graduate Theses and Dissertations
Despite the projected increase in the dry aging market, producers may be hesitant to incorporate dry aging practices. This thesis aims to identify primary concerns faced by producers in implementing a dry aging program. Semi-structured interview surveys were conducted via Qualtrics (N = 100). Results indicated that an “advanced” level of dry aging knowledge correlated with a higher importance in the use/sale of dry aged products (P = 0.02). Cost, demand, and sourcing were the top three concerns of producers practicing dry aging. Those considering implementation were concerned with cost, processing parameters, safety, demand, and sourcing. No significant differences were …
The Narrative Dynamics Of Special Books By Special Kids Youtube Videos And Comments: A Study Of Disability Rhetoric And Public Narrative Engagement, Jessica Louise Allee
The Narrative Dynamics Of Special Books By Special Kids Youtube Videos And Comments: A Study Of Disability Rhetoric And Public Narrative Engagement, Jessica Louise Allee
Graduate Theses and Dissertations
Digital media has expanded disability advocacy and community building by enabling accessible, visual storytelling and connection. Special Books by Special Kids (SBSK), a YouTube channel using interview-based disability storytelling, foregrounds people’s experiences with disabilities in the videos, while inviting viewers to interpret, identify with, and respond in the comments. As a participatory storytelling space, SBSK offers a site for examining how disability meanings are constructed, negotiated, and transformed through narratives, multimodal practices, and audience uptake, while revealing how dominant disability rhetoric or ableist discourse that positions people with disabilities as burdens, inherently deficient, or socially devalued, can be reproduced, complicated, …
Development Of Medical Device For Hypovolemic Assessment Using Peripheral Venous Pressure, Connor J. Breshears
Development Of Medical Device For Hypovolemic Assessment Using Peripheral Venous Pressure, Connor J. Breshears
Graduate Theses and Dissertations
Accurate assessment of intravascular volume status remains challenging because traditional measurements such as heart rate, blood pressure, physical examination findings, and laboratory values may be subjective, delayed, or insensitive to early volume loss. Peripheral venous pressure (PVP) waveform analysis provides a potential approach for minimally invasive volume-status monitoring because PVP waveforms can be acquired from peripheral venous access and may contain frequency-domain information related to cardiac activity, respiratory modulation, vascular coupling, and intravascular filling. This thesis presents the development and evaluation of a proof-of-concept embedded prototype for PVP waveform acquisition and volume-status classification. The system integrates a Millar MEMS pressure …
A Quantitative Examination Of The Relationship Between College Gpa And Culturally Inclusive Support Services, Sara Jo Barnett Nsakashalo
A Quantitative Examination Of The Relationship Between College Gpa And Culturally Inclusive Support Services, Sara Jo Barnett Nsakashalo
Graduate Theses and Dissertations
The Eurocentric formal education model was first introduced to American Indians as a weapon, a tool by which American Indian culture and lifeways could be dismantled thus forcing the entire population into assimilation. The residual trauma of the Indian Boarding School era and other federal Indian policy continue to impact American Indian students, even at the postsecondary level. For decades, research has focused on exploring the role of Tribal Colleges and Universities (TCU) to explain the increased success American Indian students experience at these institutions when compared to other institutions. Though they have demonstrated an exceptional ability to adequately serve …