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Articles 42031 - 42060 of 43791
Full-Text Articles in Entire DC Network
Virtual Classes In The U.S. University: Exploring Zoom Fatigue Experience Based On English Competency And Course Engagement Among International Students, Esther Son
All Graduate Theses, Dissertations, and Other Capstone Projects
Online video conferencing platforms, such as Zoom, are widely used for virtual classes. Zoom platforms bring flexibility and convenience, but also contribute to fatigue which is called “Zoom fatigue”. The purpose of the study is to investigate Zoom fatigue among international students at the U.S. university, and its links to Zoom-mediated communication in the field of education. The study investigates 152 international students to examine how English competency affects Zoom fatigue, and how course engagement affects Zoom fatigue in virtual classes at the U.S. university. The results show that English competency and course engagement have a negative relationship with Zoom …
How I Got Over: Long-Serving Black Women Principals Coping With Microaggressions, Chreese Jones
How I Got Over: Long-Serving Black Women Principals Coping With Microaggressions, Chreese Jones
All Graduate Theses, Dissertations, and Other Capstone Projects
This research delves into the lived experiences of retired Black women principals in relation to racial microaggressions, investigating their impacts, coping strategies, and the necessary support for sustainability in their roles. This study aligns with existing literature on racial microaggressions, emphasizing the profound toll these experiences have on the emotional and physical well-being of Black female principals. Key themes such as systemic challenges, resilience, commitment to students, coping mechanisms, and the critical role of intentional support from district leaders emerge from the findings. By shedding light on these issues, this research contributes to a deeper understanding of the multifaceted challenges …
Intelligent Traffic Management Systems, Mohammad Mazhar
Intelligent Traffic Management Systems, Mohammad Mazhar
All Graduate Theses, Dissertations, and Other Capstone Projects
With the increase in population and in particular urban population. The traffic and travel times in between cities and inside cities has increased due to more and more people using private means of transportation. Due to this need arose for tackling the increase in traffic by managing it using various means. For this we look towards The Intelligent Traffic Management System (ITMS). ITMS is an AI-powered solution designed to optimize traffic flow, reduce congestion, and improve overall road safety. The system will monitor real-time traffic data using a combination of cameras and sensors, identify traffic jams, and send alerts to …
Metaheuristics For White-Box Path Attraction Attacks In Hidden Markov Models, Brandon Koch
Metaheuristics For White-Box Path Attraction Attacks In Hidden Markov Models, Brandon Koch
All Graduate Theses, Dissertations, and Other Capstone Projects
Hidden Markov Models (HMMs) play a pivotal role in fields such as speech recognition, spam detection, and autonomous vehicles, where reliable predictive capabilities are essential. However, the rapid adoption of HMMs has heightened their susceptibility to adversarial attacks. This research investigates inherent weaknesses in traditional HMMs by examining how adversarial manipulation of observable data impacts model performance. We address three core questions: How does varying HMM parameters influence a path attraction problem? Which metaheuristic methods most effectively optimize these attacks in a white-box scenario? What key vulnerabilities emerge in HMMs under adversarial manipulation? To explore these questions, we design HMMs …
Trauma And Dynamic Needs: Examining The Role Of Adverse Childhood Experiences (Aces) On Changes In Youth Needs While In Residential Placement, Ashley Lockwood
Trauma And Dynamic Needs: Examining The Role Of Adverse Childhood Experiences (Aces) On Changes In Youth Needs While In Residential Placement, Ashley Lockwood
Graduate Thesis and Dissertation 2023-2024
The prevalence of adverse childhood experiences (ACEs) for youth in residential facilities is greater than youth in the general population and those in other justice settings. Despite recent advancements in the literature on ACEs and treatment for justice-involved youth, an expansion of this inquiry continues to be warranted. The Risk, Needs, and Responsivity framework has not conceptualized the influence of trauma across youth sex and race/ethnicity in rehabilitation efforts. Therefore, the current study has two primary objectives: (1) to explore the presence of ACEs in the lives of youth in residential facilities, and (2) examine the association between ACEs and …
Alfred Russel Wallace Notes 29. Extraterrestrial Entertainment: Are We Being Monitored By Alien Beings?, Charles H. Smith
Alfred Russel Wallace Notes 29. Extraterrestrial Entertainment: Are We Being Monitored By Alien Beings?, Charles H. Smith
Faculty/Staff Personal Papers
Alfred Russel Wallace (1823−1913) was an early advocate for the rational assessment of likelihood of extraterrestrial life. Current efforts to evaluate the situation have ranged from the heavily self-indulgent to the more objective, and it is still often difficult to decide just how much of the information we are receiving on the subject is dependable. An attempt is made here to cut through the haze and reduce the matter to elementals.
Investigating The Relationships Between Biotic And Abiotic Factors Affecting Migratory Behavior In Westslope Cutthroat Trout Within The Priest River System, Kyle M. Keenan
EWU Masters Thesis Collection
Numerous salmonid species demonstrate diverse life histories, encompassing both resident and migratory behaviors. Migratory life histories play a pivotal role in maintaining metapopulations for various reasons, facilitating genetic exchange between populations and yielding larger-sized females with increased fecundity relative to residents. This study took place in northern Idaho, within the lower Priest River system, which is highly susceptible to degrading habitat. Previous research has discovered this system as a significant contributor to migratory Westslope Cutthroat Trout (Oncorhynchus lewisi, WCT) in the Lake Pend Oreille and Priest River systems. Expanding on these results, we compared four Priest River tributaries that produced …
Dam Dimensions And Surface Porosity Affect The Water Storage Capacity Of Beaver Dam Analogs Compared To Natural Beaver Dams, Sawyer Nagle
Dam Dimensions And Surface Porosity Affect The Water Storage Capacity Of Beaver Dam Analogs Compared To Natural Beaver Dams, Sawyer Nagle
EWU Masters Thesis Collection
Widespread stream incision in the Western United States, exacerbated by climate change and anthropogenic activities, necessitates effective restoration strategies. My study compares water retention by Beaver Dam Analogs (BDAs) to natural beaver dams and undammed control reaches. I compared how dam dimensions affect the hydraulic performance of both BDAs and beaver dams, revealing gaps in research on their comparative effectiveness. My study was conducted across eight watersheds in Washington state and two in Idaho. Hydraulic retention time (HRT), water travel time, and pool volume were response variables used to determine dam effectiveness. Dam height, thickness, length and porosity were the …
Exploring Hypervigilance Among Trans+ People Navigating Cisgendered Healthcare, Emma M. Tukdarian
Exploring Hypervigilance Among Trans+ People Navigating Cisgendered Healthcare, Emma M. Tukdarian
Graduate Thesis and Dissertation 2023-2024
This thesis uses the limited research on LGBTQ+ specific hypervigilance and queer battle fatigue to explore the prevalence of hypervigilance and fatigue in trans+ medical experiences, even when emotions aren't centered in their narratives, while also using participants' narratives and minority stress theory to suggest changes to the American medical system. Data was taken from a previous study of in-depth interviews on healthcare experiences of 60 trans+ young adults ages 18-24. Analysis of the data was done in NVivo using line-by-line coding for mentions of emotional responses linked to hypervigilance within interview transcripts. Results show that 67% of participants shared …
A Social Portal To Online Higher Education: How Students With Disabilities Experience Online Courses, Marisa Lucca
A Social Portal To Online Higher Education: How Students With Disabilities Experience Online Courses, Marisa Lucca
Graduate Thesis and Dissertation 2023-2024
Although people with disabilities have made significant strides toward educational equity, they continue to face struggles in college that perpetuate their dismal college outcomes. Current research focuses on struggles endured in the on-campus setting and provides little insight into online course experiences. Toward addressing the knowledge gap, the study opened a social portal to online higher education, leveraging disability as an experiential lens to understand online course challenges and the potential for universal design for learning practices to reduce obstacles to academic success. We considered online course experiences concerning impairment effects and disablism within a social relational disability studies perspective. …
Puerto Rican Haplogroup Distribution: A Taíno History, Paige Mackenzie Williams
Puerto Rican Haplogroup Distribution: A Taíno History, Paige Mackenzie Williams
Graduate Student Theses, Dissertations, & Professional Papers
The extent to which Puerto Rico’s indigenous communities resisted, survived, and were transformed by colonization is unclear despite extensive ethnohistorical research. Historical claims of extinction are attributed to colonial census information but are strongly opposed by islanders who claim Indigenous Taíno ancestry (Nieves-Colón et al. 2019). Ethnic composition of Puerto Ricans is primarily European, African, and Indigenous and these compositions reflect migrations and admixture. Mitochondrial DNA (mtDNA) is of vast importance, as it permits tracing of the maternal line through a common female ancestor. In this, investigation of Indigenous haplogroup frequencies and their importance and relevance in Puerto Rican genetic …
The Influence Of Intensive Treatment In A Cohort Model On Psychosocial Well-Being Of Patients With Aphasia: An Investigation Of Patients’ Quality Of Life Across Three Service Delivery Models, Helena Riley
Graduate Student Theses, Dissertations, & Professional Papers
Aphasia, a common communication disorder following a stroke, significantly impacts psychosocial wellbeing and quality of life. Despite advancements in rehabilitation frameworks, traditional impairment-based interventions prevail, leaving gaps in addressing holistic needs. This study aims to compare patient-reported outcome measures (PROMs) between intensive comprehensive aphasia programs (ICAP), modified ICAPs (mICAPs) and individual usual care (UC) service delivery models for aphasia intervention. Eighteen participants with aphasia were broadly recruited for this study. Each completed a series of PROMs pre-and post-treatment examining psychosocial wellbeing, communicative participation, and health related quality of life. Results indicate that intensive programs show potential for greater gains in …
A Closer Look At Denali’S Alpine Wildlife: Assessing The Influences Of Climate And Vegetation Changes On Species In Alaska, Jennifer Lynn Wall
A Closer Look At Denali’S Alpine Wildlife: Assessing The Influences Of Climate And Vegetation Changes On Species In Alaska, Jennifer Lynn Wall
Graduate Student Theses, Dissertations, & Professional Papers
Climate change is amplified in polar regions and could have considerable consequences for biodiversity. Arctic and boreal regions, in particular, have warmed more than double the global average and are experiencing increasing precipitation, thawing permafrost, shrinking snow seasons, and increasing shrub- and tree-line encroachment. These changes are suspected to influence key alpine biodiversity, including species such as collared pikas (Ochotona collaris), hoary marmots (Marmota caligata), and Arctic ground squirrels (Urocitellus parryii). But, we have limited understanding of whether this is true and, if so, which factors drive distributional shifts in response to climate change. For this dissertation, I collected data …
From Creek To Ditch And Back Again: The History And Future Of Pattee Creek, Missoula, Montana, Carver Edward Butterfield
From Creek To Ditch And Back Again: The History And Future Of Pattee Creek, Missoula, Montana, Carver Edward Butterfield
Graduate Student Theses, Dissertations, & Professional Papers
Pattee Creek was once a free-flowing stream that meandered across the Missoula Valley, but has been channelized, piped, and degraded by logging, mining, agriculture, and urbanization. This thesis used a mixed-method approach to examine the impact of human activities on the Pattee Creek watershed. Beginning with a historical overview, the story of how the creek has been utilized and why it was buried was told. An analysis of historical photos from 1937 to 2019 revealed drastic changes in the land cover of the watershed and the channel of lower Pattee Creek. Developed land increased dramatically, while open land decreased and …
Wildfires Are Burning Less Frequently And More Severely Than Historically In The Western Us: A Novel Approach To Calculating Fire-Regime Departures, Jeffrey Ryan Chandler
Wildfires Are Burning Less Frequently And More Severely Than Historically In The Western Us: A Novel Approach To Calculating Fire-Regime Departures, Jeffrey Ryan Chandler
Graduate Student Theses, Dissertations, & Professional Papers
Changing climate, vegetation, and fire exclusion are altering and homogenizing fire-regime attributes compared to historic conditions. Fire-regime changes are commonly quantified using departure metrics, which are often based on measures of central tendency (i.e. changes in the mean). These metrics can mischaracterize complex changes to the distributional characteristics of fire-regime attributes. Here we develop a fire-regime departure metric that quantifies nonparametric distributional changes to fire-regime attributes over time. We use this metric to compare fire frequency and severity between historical (~1600-1880) and contemporary (1880- 2021) time periods in western US forests. Our analysis revealed that 89% of Western US forests …
Swimming Through Time: Ancient Dna Analysis Of Salmonid Remains At Housepit 54, Bridge River, British Columbia, Canada, Kara K. Fox
Graduate Student Theses, Dissertations, & Professional Papers
The application of ancient DNA (aDNA) analysis on archaeological faunal remains has proven successful in a variety of studies that have resulted in species identification and subsistence use at ancient village sites. Fisher-hunter-gatherer societies of the Pacific Northwest have depended heavily on seasonal salmon runs as a primary staple for foodstuffs and winter storage essentials. Determining which salmonid species were chosen provides a better understanding of ancient socio-economic strategies that impact food procurement and varying preferences of food items that can lead to resource access limitations. Ultimately, this thesis is a preliminary research project to establish the groundwork for successfully …
Gaba Transporter Loss-Of-Function Mutations In Pediatric Epilepsy: Neural Mechanisms And A Novel Fatty Acid Based Therapeutic Approach, Alessandra G. Jester
Gaba Transporter Loss-Of-Function Mutations In Pediatric Epilepsy: Neural Mechanisms And A Novel Fatty Acid Based Therapeutic Approach, Alessandra G. Jester
Graduate Student Theses, Dissertations, & Professional Papers
An increasing number of spontaneous mutations in the GABA transporter gene SLC6A1 (GAT-1) have been associated with pediatric epilepsy and neurodevelopmental disorders. The molecular mechanisms and impact of mutations on GABA homeostasis and neuronal circuit function are poorly understood. Furthermore, there are currently no validated therapeutic approaches to treat patients. A de novo mutation (S295L) in the GABA transporter gene SLC6A1 that was identified in a pediatric patient was introduced into a human cDNA construct, and mutant and wild-type transporters were expressed and studied in Xenopus oocytes by voltage clamp and radiolabeled GABA flux measurement. In addition, the effect of …
Sequence Similarity Search Optimization: Prefiltering Strategies And Exact Matching Techniques For Biological Sequence Data, Tim Anderson
Sequence Similarity Search Optimization: Prefiltering Strategies And Exact Matching Techniques For Biological Sequence Data, Tim Anderson
Graduate Student Theses, Dissertations, & Professional Papers
Sequence similarity search is one of the most important tasks in the field of bioinformatics. The identification of regions of similarity between one protein or DNA sequence and a separate collection of sequences or models of sequence families has wide-ranging applications. These range from mapping of RNA sequence reads to a given genome to the annotation of gene-encoding regions and the reconstruction of evolutionary relationships of species. As genetic sequencing technologies have improved over the last few decades, the size of genetic sequence databases has grown exponentially. With this growth of sequence databases, more efficient algorithmic approaches are needed to …
Leaving Them In Stitches: Novel Methods For Splice-Aware Sequence Annotation, Alexander Nord
Leaving Them In Stitches: Novel Methods For Splice-Aware Sequence Annotation, Alexander Nord
Graduate Student Theses, Dissertations, & Professional Papers
Pre-mRNA intron splicing is essential to the production of many eukaryotic proteins, but it is relatively uncommon for sequence analysis tools to account for this process in their methods. In this dissertation I present three tools for biological sequence analysis, demonstrating the benefits that they derive from their explicit awareness of intron splicing. First, I present Mirage2, an updated implementation of the Mirage multiple sequence alignment program, which produces alignments of protein isoforms according to spliced genome mapping coordinates. I then present Diviner, which synthesizes the output data produced by Mirage2 to locate novel coding regions on eukaryotic …
Comprehensive Case Report Umfc#140, Marymargaret C. Pratt
Comprehensive Case Report Umfc#140, Marymargaret C. Pratt
Graduate Student Theses, Dissertations, & Professional Papers
University of Montana Forensic Collections (UMFC) Case #140 was observed and recorded fall 2024. The information included are a complete biological profile, any taphonomic features or pathological conditions present, and a literature review on forensic odontology due to the severe nature of the teeth. This individual is consistent with a 5'2"-5'6" adult male ranging between the ages of 35-50 of ambiguous population affinity. Evidence of osteoarthritis and bone spurs are present along the vertebral spine, clavicle, and articulation points throughout the post-cranial skeleton. There is severe dental attrition found along the buccal view of the maxillary and mandibular molars. The …
Flyway Bottlenecks: Migratory Waterbirds Confront Diminishing Wetland Networks In Western North America, J. Patrick Donnelly
Flyway Bottlenecks: Migratory Waterbirds Confront Diminishing Wetland Networks In Western North America, J. Patrick Donnelly
Graduate Student Theses, Dissertations, & Professional Papers
In the arid and semi-arid western U.S., migratory waterbirds (e.g., shorebirds, wading birds, and waterfowl) rely on wetland landscapes that function as nodes in broader continental habitat networks (e.g., flyways). Here, I integrate citizen science and GPS animal tracking technologies with satellite imagery and cloud computing to quantify the effects of climate and land use change on wetland ecosystems that sustain migratory waterbirds in the western U.S. Four decades of wetland surface water hydrology were first reconstructed from over 150,000 individual satellite images covering 3.1 million ha to track monthly changes in the extent and duration of wetland inundation. Results …
Moose Abundance And Calf:Cow Ratios On The Blackfeet Indian Reservation And Glacier National Park, Landon Joel Magee
Moose Abundance And Calf:Cow Ratios On The Blackfeet Indian Reservation And Glacier National Park, Landon Joel Magee
Graduate Student Theses, Dissertations, & Professional Papers
Many moose (Alces alces; Sikihtsisoo) populations across North America, especially along their southern range, are declining due to factors such as climate change, parasites and disease, predation, habitat loss and degradation, and overharvest. These declines highlight broader ecological concerns, as moose play a critical role as prey within their ecosystems. Despite their importance, data on crucial demographic parameters like abundance and age ratios are sparse for moose, complicating management efforts. Conventional monitoring methods, including radio-collaring, harvest data, public surveys, and aerial surveys, face significant logistical and financial challenges, and often fail to provide a comprehensive understanding of …
A Narrative Map Of Fort Missoula: Silence, Stillness And Death In Living Cultural Memory, Daniel A. Goldhamer
A Narrative Map Of Fort Missoula: Silence, Stillness And Death In Living Cultural Memory, Daniel A. Goldhamer
Graduate Student Theses, Dissertations, & Professional Papers
Fort Missoula is a rare site of history, memory, and narrative. This project seeks to trace the complex web of identities and relationalities at the Fort through a narrative map: a method that combines site-based ethnography and qualitative storytelling relying on first-person perspective. This methodological framework reveals that Fort Missoula’s distinct character lies in its role as a living archive of cultural memory, accessible through the past, present, and future narratives of its places and spaces. Engaging with the theories of Foucault (1972), de Certeau (1984), and Low (2017), the narrative map of Fort Missoula is a work that investigates …
Physiologically Relevant Cardiac Tissue Chips For Cardiovascular Disease Modeling, Sachin Budhathoki
Physiologically Relevant Cardiac Tissue Chips For Cardiovascular Disease Modeling, Sachin Budhathoki
All ETDs from UAB
Despite significant advances in our understanding of the molecular basis of cardiovascular diseases (CVD) and the development of new therapeutics, it remains the number one cause of death worldwide, particularly affecting the aging population. This necessitates the development of models that can more accurately recreate aspects of aging and the interaction of the heart with other organs and systems in the body, including the immune system. Tissue chip models are being increasingly considered for studying cardiac diseases as they can potentially address translational hurdles associated with animal models, yet several challenges hinder their full potential. These include a lack of …
Agro-Food Waste Valorization For Sustainable Bio-Based Packaging, Luana De S.C. Carnaval, Amit K. Jaiswal, Swarna Jaiswal
Agro-Food Waste Valorization For Sustainable Bio-Based Packaging, Luana De S.C. Carnaval, Amit K. Jaiswal, Swarna Jaiswal
Articles
In recent years, the increase in the generation of agro-food processing waste, coupled with uncontrolled disposal and inefficient recovery methods, has raised concerns among society, industries, and the research community. This issue is compounded by the accumulation of conventional synthetic packaging. Owing to their significant environmental and economic impacts, the development of sustainable, biocompatible, and biodegradable materials has become an urgent target. In this context, research efforts have been directed toward developing new packaging materials based on renewable sources, such as agro-food waste, contributing to the circular economy concept. However, despite significant advances, novel agro-food-waste-based packaging solutions still largely remain …
The Potential Of Edible Insects As A Safe, Palatable, And Sustainable Food Source In The European Union, Ann D. Conway, Swarna Jaiswal, Amit K. Jaiswal
The Potential Of Edible Insects As A Safe, Palatable, And Sustainable Food Source In The European Union, Ann D. Conway, Swarna Jaiswal, Amit K. Jaiswal
Articles
Entomophagy describes the practice of eating insects. Insects are considered extremely nutritious in many countries worldwide. However, there is a lethargic uptake of this practice in Europe where consuming insects and insect-based foodstuffs is often regarded with disgust. Such perceptions and concerns are often due to a lack of exposure to and availability of food-grade insects as a food source and are often driven by neophobia and cultural norms. In recent years, due to accelerating climate change, an urgency to develop alternate safe and sustainable food-sources has emerged. There are currently over 2000 species of insects approved by the World …
Health Screenings In College Health Centers: Variations In Practice, Melissa A. Sutherland, M. Katherine Hutchinson, Bing Si, Yu Ding, Erica Liebermann, Somatra L. Connolly, Hans Saint-Eloi Cadely, Jacqueline F. Hayes, Susan D. Mueller
Health Screenings In College Health Centers: Variations In Practice, Melissa A. Sutherland, M. Katherine Hutchinson, Bing Si, Yu Ding, Erica Liebermann, Somatra L. Connolly, Hans Saint-Eloi Cadely, Jacqueline F. Hayes, Susan D. Mueller
Human Development and Family Science Faculty Publications
Objective: The purpose of this study was to examine the routine screening of female students in college health centers for six priority health-related behaviors and experiences (tobacco use, alcohol use, eating disorders [EDs], obesity, anxiety and depression, intimate partner violence/sexual violence [IPV/SV]), and to identify variations in practice. Participants: A nationally representative sample of 1,221 healthcare providers (HCPs), including nurse practitioners, physicians, and physician assistants, from 471 U.S. college health centers. Methods: HCPs completed surveys (on-line or paper) and reported on routine screening of female college students. Results: HCPs reported consistently high rates (75–85%) of screening for tobacco use, alcohol …
Exploring The Epitranscriptomic Response To Senolytics And Senomorphs In Cellular Models Of Aging, Emily Benson
Exploring The Epitranscriptomic Response To Senolytics And Senomorphs In Cellular Models Of Aging, Emily Benson
Electronic Theses & Dissertations (2024 - present)
In senescence that occurs with aging, cells stop dividing and initiate a pro-inflammatory program called the senescence associated secretory phenotype (SASP). SASP can lead to cell damage and has been linked to age-related conditions such as cancer, diabetes, osteoporosis, cardiovascular disease, Alzheimer’s disease, and osteoarthritis. The epitranscriptome regulates translation through post-transcriptional RNA modifications and can control when and how much of protein synthesis occurs. Several tRNA modifications that include 5-methoxycarbonylmethyl (mcm5U), 5-methoxycarbonylmethyl-2-thiouridine (mcm5s2U), and mcm5Um (5-methoxycarbonylmethyl-2′-O-methyluridine) are linked to the translation of enzymes involved in the detoxification of reactive oxygen species (ROS), …
Effects Of Storage Regimes On Chemistry, Functional Properties, And Vitamin Profile Of Different Varieties Of Chickpea, Shirin Kazemzadeh Pournaki
Effects Of Storage Regimes On Chemistry, Functional Properties, And Vitamin Profile Of Different Varieties Of Chickpea, Shirin Kazemzadeh Pournaki
Electronic Theses and Dissertations
Chickpea (cicer arietinum) samples from five distinct varieties (crown, royal, orion, sierra, and frontier) were subjected to varying storage conditions to investigate the impact of temperature and relative humidity (rh) on their chemical, functional, physical properties, and vitamin b profile. over 360 days, samples were stored at two temperatures (21°c and 40°c) and three rh levels (40%, 55%, 65%), with collections made every 90 days. initial observations focused on key chemical properties including moisture, protein, fat, and total starch content. subsequently, protein and starch fractions were isolated for further analysis, employing techniques such as sodium dodecyl sulfate-polyacrylamide gel electrophoresis (sds-page) …
Effects Of Isoacids Supplementation In Lactating Cows’ Diet Varying In Forage Fiber Level On Performances, Feed Efficiency, And Milk Fatty Acids Profile, Sumon Ahmed
Electronic Theses and Dissertations
No abstract provided.