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Articles 1651 - 1680 of 27900
Full-Text Articles in Entire DC Network
Access To Digital Finance: Equity Crowdfunding Across Countries And Platforms, Saul Estrin, Susanna Khavul, Alexander S. Kritikos, Jonas Löher
Access To Digital Finance: Equity Crowdfunding Across Countries And Platforms, Saul Estrin, Susanna Khavul, Alexander S. Kritikos, Jonas Löher
Faculty Research, Scholarly, and Creative Activity
Financing entrepreneurship spurs innovation and economic growth. Digital financial platforms that crowdfund equity for entrepreneurs have emerged globally, yet they remain poorly understood. We model equity crowdfunding in terms of the relationship between the number of investors and the amount of money raised per pitch. We examine heterogeneity in the average amount raised per pitch that is associated with differences across three countries and seven platforms. Using a novel dataset of successful fundraising on the most prominent platforms in the UK, Germany, and the USA, we find the underlying relationship between the number of investors and the amount of money …
Association Of Dietary Adherence And Dietary Quality With Weight Loss Success Among Those Following Low-Carbohydrate And Low-Fat Diets: A Secondary Analysis Of The Dietfits Randomized Clinical Trial, Michelle E. Hauser, Jennifer C. Hartle, Matthew J. Landry, Priya Fielding-Singh, Cynthia W. Shih, Fei Fei Qin, Joseph Rigdon, Christopher D. Gardner
Association Of Dietary Adherence And Dietary Quality With Weight Loss Success Among Those Following Low-Carbohydrate And Low-Fat Diets: A Secondary Analysis Of The Dietfits Randomized Clinical Trial, Michelle E. Hauser, Jennifer C. Hartle, Matthew J. Landry, Priya Fielding-Singh, Cynthia W. Shih, Fei Fei Qin, Joseph Rigdon, Christopher D. Gardner
Faculty Research, Scholarly, and Creative Activity
Background: Eating a high-quality diet or adhering to a given dietary strategy may influence weight loss. However, these 2 factors have not been examined concurrently for those following macronutrient-limiting diets. Objective: To determine whether improvement in dietary quality, change in dietary macronutrient composition, or the combination of these factors is associated with differential weight loss when following a healthy low-carbohydrate (HLC) or healthy low-fat (HLF) diet. Design: Generally healthy adults were randomly assigned to HLC or HLF diets for 12 mo (n = 609) as part of a randomized controlled weight loss study. Participants with complete 24-h dietary recall data …
Towards A Context-Contingent Stage Theory Of Entrepreneurial Opportunity: Introducing The Petii Model, Xiaohong Iris Quan
Towards A Context-Contingent Stage Theory Of Entrepreneurial Opportunity: Introducing The Petii Model, Xiaohong Iris Quan
Faculty Research, Scholarly, and Creative Activity
Understanding opportunity is a crucial aspect of entrepreneurship research. Existing studies have extensively examined individual factors in facilitating entrepreneurial activities such as new venture creation. Although there are some discussions on contextual factors, few connect context with the origin of entrepreneurship—opportunity. Recognising the objectivity of entrepreneurial opportunity, this theoretical article first proposes two types of opportunities—innovative opportunity and imitative opportunity—to understand the nature of opportunity. It then proposes a systematic framework—the PETII (Population, Economic status, Technological advancement, Industry life cycle, Institutions) model—to analyse the role of context in the distribution of opportunity. Furthermore, it examines how both objective contextual factors …
Lithium And Water: Hydrosocial Impacts Across The Life Cycle Of Energy Storage, James J.A. Blair, Noel Vineyard, Dustin Mulvaney, Alida Cantor, Ali Sharbat, Kate Berry, Elizabeth Bartholomew, Ariana Firebaugh Ornelas
Lithium And Water: Hydrosocial Impacts Across The Life Cycle Of Energy Storage, James J.A. Blair, Noel Vineyard, Dustin Mulvaney, Alida Cantor, Ali Sharbat, Kate Berry, Elizabeth Bartholomew, Ariana Firebaugh Ornelas
Faculty Research, Scholarly, and Creative Activity
As a key ingredient of batteries for electric vehicles (EVs), lithium plays a significant role in climate change mitigation, but lithium has considerable impacts on water and society across its life cycle. Upstream extraction methods—including open-pit mining, brine evaporation, and novel direct lithium extraction (DLE)—and downstream processes present different impacts on both the quantity and quality of water resources, leading to water depletion and contamination. Regarding upstream extraction, it is critical for a comprehensive assessment of lithium's life cycle to include cumulative impacts related not only to freshwater, but also mineralized or saline groundwater, also known as brine. Legal frameworks …
A Fresh Take: Seasonal Changes In Terrestrial Freshwater Inputs Impact Salt Marsh Hydrology And Vegetation Dynamics, Maya S. Montalvo, Emilio Grande, Anna E. Braswell, Ate Visser, Bhavna Arora, Erin C. Seybold, Corianne Tatariw, John C. Haskins, Charlie A. Endris, Fuller Gerbl, Mong Han Huang, Darya Morozov, Margaret A. Zimmer
A Fresh Take: Seasonal Changes In Terrestrial Freshwater Inputs Impact Salt Marsh Hydrology And Vegetation Dynamics, Maya S. Montalvo, Emilio Grande, Anna E. Braswell, Ate Visser, Bhavna Arora, Erin C. Seybold, Corianne Tatariw, John C. Haskins, Charlie A. Endris, Fuller Gerbl, Mong Han Huang, Darya Morozov, Margaret A. Zimmer
Faculty Research, Scholarly, and Creative Activity
Salt marshes exist at the terrestrial-marine interface, providing important ecosystem services such as nutrient cycling and carbon sequestration. Tidal inputs play a dominant role in salt marsh porewater mixing, and terrestrially derived freshwater inputs are increasingly recognized as important sources of water and solutes to intertidal wetlands. However, there remains a critical gap in understanding the role of freshwater inputs on salt marsh hydrology, and how this may impact marsh subsurface salinity and plant productivity. Here, we address this knowledge gap by examining the hydrologic behavior, porewater salinity, and pickleweed (Sarcocornia pacifica also known as Salicornia pacifica) plant productivity along …
Algorithmic Embeddedness And The ‘Gig’ Characteristics Model: Examining The Interplay Between Technology And Work Design In Crowdwork, Francesca Bellesia, Elisa Mattarelli, Fabiola Bertolotti, Maurizio Sobrero
Algorithmic Embeddedness And The ‘Gig’ Characteristics Model: Examining The Interplay Between Technology And Work Design In Crowdwork, Francesca Bellesia, Elisa Mattarelli, Fabiola Bertolotti, Maurizio Sobrero
Faculty Research, Scholarly, and Creative Activity
This article systematically reviews the literature on online task crowdwork to investigate the complex relationship between technology and work design on crowdwork platforms. We highlight the diverse interpretations and uses of technology, specifically platform features and algorithms, in relation to work design. Our review reveals that platform features serve as antecedents to work design characteristics, while algorithms are so intertwined with job execution that a new work characteristic is needed to model this interplay. We introduce this new work characteristic as algorithmic embeddedness and show that it varies in degree. When high, algorithmic embeddedness can be perceived as either an …
Modeling And Vibration Suppression Of Rotating Machines Using The Sparse Identification Of Nonlinear Dynamics And Terminal Sliding Mode Control, Sina Piramoon, Mohammad Ayoubi, Saeid Bashash
Modeling And Vibration Suppression Of Rotating Machines Using The Sparse Identification Of Nonlinear Dynamics And Terminal Sliding Mode Control, Sina Piramoon, Mohammad Ayoubi, Saeid Bashash
Faculty Research, Scholarly, and Creative Activity
This paper presents a novel physics-based data-driven approach for reconstructing the nonlinear governing equations and suppressing vibrations in vertical-shaft rotary machines during transient motion. We first identify the key nonlinear terms using a physics-based methodology. Subsequently, a data-driven approach, known as the Sparse Identification of Nonlinear Dynamical Systems (SINDy), is employed to reconstruct the nonlinear governing equations of a typical rotary machine. After validating the model, a robust nonlinear controller is designed using the terminal sliding mode control (TSMC) technique to reduce lateral vibrations in the machine’s shaft. Extensive experimental tests on a laboratory-scale rotary system confirm the stability and …
Effect Of Fermentation, Malting And Ultrasonication On Sorghum, Mopane Worm And Moringa Oleifera: Improvement In Their Nutritional, Techno-Functional And Health Promoting Properties, Mpho Sebabiki Maleke, Oluwafemi Ayodeji Adebo, Jonathan Wilkin, Moira Ledbetter, Xi Feng, John Gieng, Tumisi Beiri Jeremiah Molelekoa
Effect Of Fermentation, Malting And Ultrasonication On Sorghum, Mopane Worm And Moringa Oleifera: Improvement In Their Nutritional, Techno-Functional And Health Promoting Properties, Mpho Sebabiki Maleke, Oluwafemi Ayodeji Adebo, Jonathan Wilkin, Moira Ledbetter, Xi Feng, John Gieng, Tumisi Beiri Jeremiah Molelekoa
Faculty Research, Scholarly, and Creative Activity
Background: Food processing offers various benefits that contribute to food nutrition, food security and convenience. This study investigated the effect of three different processes (fermentation, malting and ultrasonication) on the nutritional, techno-functional and health-promoting properties of sorghum, mopane worm and Moringa oleifera. Methods: The fermented and malted flours were prepared at 35°C for 48 h, and for ultrasonication, samples were subjected to 10 min at 4°C with amplitudes of 40–70 Hz. The biochemical, nutritional quality and techno-functional properties of the obtained flours were analysed using standard procedures. Results: Fermentation resulted in significantly lower pH and higher titratable acidity in sorghum …
Poor Nutrition Status Associated With Low Patient Satisfaction Six Months Into Treatment For Head And Neck/Esophageal Cancer Treatment: A Prospective Multicenter Cohort Study, Adrianne M. Widaman, Andrew G. Day, Maggie A. Kuhn, Rupinder Dhaliwal, Vickie Baracos, Merran Findlay, Judith D. Bauer, Marian De Van Der Schueren, Alessandro Laviano, Lisa Martin, Leah Gramlich
Poor Nutrition Status Associated With Low Patient Satisfaction Six Months Into Treatment For Head And Neck/Esophageal Cancer Treatment: A Prospective Multicenter Cohort Study, Adrianne M. Widaman, Andrew G. Day, Maggie A. Kuhn, Rupinder Dhaliwal, Vickie Baracos, Merran Findlay, Judith D. Bauer, Marian De Van Der Schueren, Alessandro Laviano, Lisa Martin, Leah Gramlich
Faculty Research, Scholarly, and Creative Activity
Background: Patient-reported outcome measures have been associated with survival in oncology patients. Altered intake and malnutrition are common symptoms for patients treated for head and neck cancer and esophageal cancer (HNC/EC). The purpose of this study was to examine the relationship between patient-reported satisfaction with medical care and nutrition status. Methods: This prospective cohort study collected data from 11 international cancer care sites. Results: One hundred and sixtythree adult patients (n = 115 HNC; n = 48 EC) completed a patient satisfaction questionnaire (the Canadian Health Care Evaluation Project Lite) and were included. HNC/EC patient global satisfaction with medical care …
Fuzzy Similarity Analysis Of Effective Training Samples To Improve Machine Learning Estimations Of Water Quality Parameters Using Sentinel-2 Remote Sensing Data, Alireza Taheri Dehkordi, Mohammad Javad Valadan Zoej, Ali Mehran, Mohsen Jafari, Amir Masoud Chegoonian
Fuzzy Similarity Analysis Of Effective Training Samples To Improve Machine Learning Estimations Of Water Quality Parameters Using Sentinel-2 Remote Sensing Data, Alireza Taheri Dehkordi, Mohammad Javad Valadan Zoej, Ali Mehran, Mohsen Jafari, Amir Masoud Chegoonian
Faculty Research, Scholarly, and Creative Activity
Continuous monitoring of water quality parameters (WQPs) is crucial due to the global degradation of water quality, primarily caused by climate change and population growth. Typically, machine learning (ML) models are employed to retrieve WQPs, but they require a large amount of training samples to accurately capture the data relationships. Even with sufficient training data, discrepancies still exist between values of predicted and in-situ WQPs. This study proposes a fuzzy similarity analysis (FSA) technique to enhance ML estimates of WQPs by using the prediction errors in effective training samples. The method was successfully applied to retrieve turbidity (Turb) and specific …
The Effect Of A Night Shift Nap On Post-Night Shift Performance, Sleepiness, Mood, And First Recovery Sleep: A Randomized Crossover Trial, P. Daniel Patterson, Cassie J. Hilditch, Matthew D. Weaver, David G.L. Roach, Tiffany S. Okerman, Sarah E. Martin, Charity G. Patterson, Leonard S. Weiss
The Effect Of A Night Shift Nap On Post-Night Shift Performance, Sleepiness, Mood, And First Recovery Sleep: A Randomized Crossover Trial, P. Daniel Patterson, Cassie J. Hilditch, Matthew D. Weaver, David G.L. Roach, Tiffany S. Okerman, Sarah E. Martin, Charity G. Patterson, Leonard S. Weiss
Faculty Research, Scholarly, and Creative Activity
Objectives This study aimed to test the effect of a 30-minute nap versus a 2-hour nap opportunity taken during a simulated night shift on performance, fatigue, sleepiness, mood, and sleep at the end of shift and during post-night shift recovery. Methods We conducted a randomized crossover trial of three nap conditions (30-minute, 2-hour, and no-nap) during 12-hour simulated night shifts. We tested for differences in performance, fatigue, sleepiness, mood, and sleep during in-lab and at-home recovery. Performance was measured with the Brief Psychomotor Vigilance Test (PVT-B). Subjective ratings were assessed with single-item surveys. Results Twenty-eight individuals consented to participate [mean …
A Practical Framework For Component-Level Structural Health Monitoring Of The Gerald Desmond Bridge, Mehran Rahmani, Vesna Terzic, Andrea Calabrese, Brittany Cambell
A Practical Framework For Component-Level Structural Health Monitoring Of The Gerald Desmond Bridge, Mehran Rahmani, Vesna Terzic, Andrea Calabrese, Brittany Cambell
Mineta Transportation Institute
Bridges serve as critical transportation infrastructure, but traditional maintenance inspection to ensure their safety is time-consuming, costly, and labor-intensive, especially for larger and more complex structures. This study presents a practical framework for the instrumentation, data acquisition, and remote condition assessment of the Gerald Desmond Bridge, California’s largest cable-stayed bridge. The framework aims to establish a foundation for real-time or near real-time remote health monitoring of the bridge’s critical elements. The study highlights the advantages of remote monitoring in terms of efficiency, cost-effectiveness, and early detection of damage.
Effects Of The Sacramento Neighborhood Alcohol Prevention Project On Rates Of Child Abuse And Neglect 7 Years Post-Implementation (1999–2010), Bridget Freisthler, Jennifer Price Wolf
Effects Of The Sacramento Neighborhood Alcohol Prevention Project On Rates Of Child Abuse And Neglect 7 Years Post-Implementation (1999–2010), Bridget Freisthler, Jennifer Price Wolf
Faculty Research, Scholarly, and Creative Activity
Introduction: Evaluations of alcohol environmental prevention efforts examine short-term effects of these interventions on alcohol-related problems. We examine whether the effects of the Sacramento Neighborhood Alcohol Prevention Project (SNAPP), an alcohol environmental intervention aimed to reduce alcohol-related problems in two neighbourhoods, on child abuse and neglect remained 7 years post-implementation. Methods: SNAPP used a quasi-experimental non-equivalent control group design, where intervention activities occurred in the South area, followed by those in the North area 2 years later. Our sample size is 3912 space–time units (326 census block groups × 12 years [1999–2010]). Outcomes were measured at the household level and …
Lessons From A Professional Learning Community: Navigating Tensions While Moving Between Theory And Practice In Teaching Chemistry For Social Justice, Kathryn Ribay
Faculty Research, Scholarly, and Creative Activity
Maintaining a commitment to social justice teaching can be especially challenging when navigating the bureaucratic systems and ever-spiraling responsibilities of the education system. To better understand how social-justice-oriented educators navigate these tensions, this paper uses qualitative methods to investigate the social justice problems of practice identified by five chemistry teachers in a year-long professional learning community. By analyzing the challenges described in their problem-posing segments, I identify seven major themes that represent key sources of tension and possibility as teachers move from theory to practice in teaching chemistry for social justice. These findings indicate that the practical considerations of day-to-day …
Influencers And Luxury Fashion Brands On Instagram. Effects Of Mediated Actions In The Relationship With The User, Tania Blanco Sánchez, Belén Moreno Albarracín
Influencers And Luxury Fashion Brands On Instagram. Effects Of Mediated Actions In The Relationship With The User, Tania Blanco Sánchez, Belén Moreno Albarracín
Faculty Research, Scholarly, and Creative Activity
Influencers act on Instagram as images of brands that transcend their personal one. However, there is a lack of research focused on the link that is generated between the brand and the user as a result of collaborations between these firms and certain prescribers. Does an influencer's participation change that relationship? To answer this research question, this study aims to analyze the relationship between the most followed luxury fashion brands on Instagram and their followers around collaborations with influencers on their corporate profiles, through action in itself and the prescriber's participation in the content. To do this, a comparative content …
Potential Use Of Poultry Farms By Wild Waterfowl In California's Central Valley Varies Across Space, Times Of Day, And Species: Implications For Influenza Transmission Risk, Claire S. Teitelbaum, Michael L. Casazza, Cory T. Overton, Jeffery D. Sullivan, Elliott L. Matchett, Fiona Mcduie, Austen A. Lorenz, Joshua T. Ackerman, Susan E.W. De La Cruz, Diann J. Prosser
Potential Use Of Poultry Farms By Wild Waterfowl In California's Central Valley Varies Across Space, Times Of Day, And Species: Implications For Influenza Transmission Risk, Claire S. Teitelbaum, Michael L. Casazza, Cory T. Overton, Jeffery D. Sullivan, Elliott L. Matchett, Fiona Mcduie, Austen A. Lorenz, Joshua T. Ackerman, Susan E.W. De La Cruz, Diann J. Prosser
Faculty Research, Scholarly, and Creative Activity
Interactions between wildlife and livestock can lead to cross-species disease transmission, which incurs economic costs and threatens wildlife conservation. Wild waterfowl are natural hosts of avian influenza viruses (AIVs), are often abundant near poultry farms, and have been linked to outbreaks of AIVs in poultry. Interspecific and seasonal variation in waterfowl movement and habitat use means that the risk of disease transmission between wild birds and poultry inevitably varies across species, space, and time. Here, we used GPS telemetry data from 10 waterfowl species in and near California's Central Valley, a region where both wild waterfowl and domestic poultry are …
The Global Partners Program A New International Volunteer Opportunity For Ams Members, Walter Dabberdt, Darrel Baumgardner, Robert Bornstein, Gregory Carmichael, Richard Clark, Jeffrey Collett, Harindra Fernando, Efi Foufoula-Georgiou, Dev Niyogi, Mohan Ramamurthy, Alan Robock, Julie Winkler
The Global Partners Program A New International Volunteer Opportunity For Ams Members, Walter Dabberdt, Darrel Baumgardner, Robert Bornstein, Gregory Carmichael, Richard Clark, Jeffrey Collett, Harindra Fernando, Efi Foufoula-Georgiou, Dev Niyogi, Mohan Ramamurthy, Alan Robock, Julie Winkler
Faculty Research, Scholarly, and Creative Activity
No abstract provided.
Emf Revisited, Art Davis
Emf Revisited, Art Davis
Faculty Research, Scholarly, and Creative Activity
This paper was inspired by a recent publication by Redžíc (2018 Eur. J. Phys. 39 025205) which threw into bold relief the differences between the way Maxwell viewed the current and the way Lorentz visualized it. We make the assumption that for a circuit of laboratory dimensions current (and charge perturbation effects in general) can be assumed to propagate instantaneously around the loop. Our second fundamental assumption is the commonly accepted one that E is the force per unit charge on a stationary charge. We use these facts to make the usual definition of electromotive force more rigorous and to …
Evaluating The Implementation Of A Relationship-Centered Communication Training For Connecting With Patients In Virtual Visits, Rachyl Pines, Marie C. Haverfield, Stephanie Wong Chen, Ethan Lee, Cati Brown-Johnson, Merisa Kline, Barbette Weimer-Elder
Evaluating The Implementation Of A Relationship-Centered Communication Training For Connecting With Patients In Virtual Visits, Rachyl Pines, Marie C. Haverfield, Stephanie Wong Chen, Ethan Lee, Cati Brown-Johnson, Merisa Kline, Barbette Weimer-Elder
Faculty Research, Scholarly, and Creative Activity
The use of telehealth, specifically virtual visits, has increased and adoption continues. Providers need effective training for how to communicate with patients to develop a connection during virtual visits. This article describes the implementation and evaluation of a course called Mastering Presence in Virtual Visits. Results show that although providers perceive lack of time, technology issues, and lacking experiential knowledge as barriers to enacting course behaviors, the course was feasible and acceptable. Following the course, providers rated key course behaviors as helpful for practice, and 80.7% of providers were likely to recommend the course to a colleague. The course shifted …
Participation In Collaborative Fisheries Research Improves The Perceptions Of Recreational Anglers Towards Marine Protected Areas, Erin M. Johnston, Grant T. Waltz, Rosamaria Kosaka, Ellie M. Brauer, Shelby L. Ziegler, Erica T. Jarvis Mason, Hunter S. Glanz, Lauren Zaragoza, Allison N. Kellum, Rachel O. Brooks, Brice X. Semmens, Christopher J. Honeyman, Jennifer E. Caselle, Lyall F. Bellquist, Sadie L. Small, Steven G. Morgan, Timothy J. Mulligan, Connor L. Coscino, Jay M. Staton
Participation In Collaborative Fisheries Research Improves The Perceptions Of Recreational Anglers Towards Marine Protected Areas, Erin M. Johnston, Grant T. Waltz, Rosamaria Kosaka, Ellie M. Brauer, Shelby L. Ziegler, Erica T. Jarvis Mason, Hunter S. Glanz, Lauren Zaragoza, Allison N. Kellum, Rachel O. Brooks, Brice X. Semmens, Christopher J. Honeyman, Jennifer E. Caselle, Lyall F. Bellquist, Sadie L. Small, Steven G. Morgan, Timothy J. Mulligan, Connor L. Coscino, Jay M. Staton
Faculty Research, Scholarly, and Creative Activity
Collaborative fisheries research programs engage stakeholders in data collection efforts, often with the benefit of increasing transparency about the status and management of natural resources. These programs are particularly important in marine systems, where management of recreational and commercial fisheries have historically been contentious. One such program is the California Collaborative Fisheries Research Program (CCFRP), which was designed in 2006 to engage recreational anglers in the scientific process and evaluate the efficacy of California’s network of marine protected areas. CCFRP began on the Central Coast of California and expanded statewide in 2017 to include six partner institutions in three regions: …
[Review Of] Abolition Geography, By Ruth Wilson Gilmore, Jennifer Rycenga
[Review Of] Abolition Geography, By Ruth Wilson Gilmore, Jennifer Rycenga
Faculty Research, Scholarly, and Creative Activity
No abstract provided.
Covid-19 Vaccination-Related Tinnitus Is Associated With Pre-Vaccination Metabolic Disorders, Weihua Wang, Anusha Yellamsetty, Robert M. Edmonds, Shaun R. Barcavage, Shaowen Bao
Covid-19 Vaccination-Related Tinnitus Is Associated With Pre-Vaccination Metabolic Disorders, Weihua Wang, Anusha Yellamsetty, Robert M. Edmonds, Shaun R. Barcavage, Shaowen Bao
Faculty Research, Scholarly, and Creative Activity
Cases of tinnitus have been reported following administration of COVID-19 vaccines. The aim of this study was to characterize COVID-19 vaccination-related tinnitus to assess whether there is a causal relationship, and to examine potential risk factors for COVID-19 vaccination-related tinnitus. We analyzed a survey on 398 cases of COVID-19 vaccination-related tinnitus, and 699,839 COVID-19 vaccine-related reports in the Vaccine Adverse Effect Reporting System (VAERS) database that was retrieved on 4 December 2021. We found that following COVID-19 vaccination, 1) tinnitus report frequencies for Pfizer, Moderna and Janssen vaccines in VAERS are 47, 51 and 70 cases per million full vaccination; …
Keck/Kcwi Spectroscopy Of Globular Clusters In Local Volume Dwarf Galaxies, Duncan A. Forbes, Daniel Lyon, Jonah Gannon, Aaron J. Romanowsky, Jean P. Brodie
Keck/Kcwi Spectroscopy Of Globular Clusters In Local Volume Dwarf Galaxies, Duncan A. Forbes, Daniel Lyon, Jonah Gannon, Aaron J. Romanowsky, Jean P. Brodie
Faculty Research, Scholarly, and Creative Activity
A number of nearby dwarf galaxies have globular cluster (GC) candidates that require spectroscopic confirmation. Here we present Keck telescope spectra for 15 known GCs and GC candidates that may be associated with a host dwarf galaxy, and an additional 3 GCs in the halo of M31 that are candidates for accretion from a now disrupted dwarf galaxy. We confirm 6 star clusters (of intermediate-to-old age) to be associated with NGC 247. The vast bulk of its GC system remains to be studied spectroscopically. We also confirm the GC candidates in F8D1 and DDO190, finding both to be young star …
Is Knowledge Management (Finally) Extractive? – Fuller’S Argument Revisited In The Age Of Ai, Norman Mooradian
Is Knowledge Management (Finally) Extractive? – Fuller’S Argument Revisited In The Age Of Ai, Norman Mooradian
Faculty Research, Scholarly, and Creative Activity
Aim/Purpose The rise of modern artificial intelligence (AI), in particular, machine learning (ML), has provided new opportunities and directions for knowledge management (KM). A central question for the future of KM is whether it will be dominated by an automation strategy that replaces knowledge work or whether it will support a knowledge-enablement strategy that enhances knowledge work and uplifts knowledge workers. This paper addresses this question by re-examining and updating a critical argument against KM by the sociologist of science Steve Fuller (2002), who held that KM was extractive and exploitative from its origins. Background This paper re-examines Fuller’s argument …
Perturbation Walking Effects On Prefrontal Cortical Activation And Walking Performance In Older Women With And Without Osteoarthritis: A Fnirs Study, Alka Bishnoi, Yang Hu, Manuel E. Hernandez
Perturbation Walking Effects On Prefrontal Cortical Activation And Walking Performance In Older Women With And Without Osteoarthritis: A Fnirs Study, Alka Bishnoi, Yang Hu, Manuel E. Hernandez
Faculty Research, Scholarly, and Creative Activity
Introduction: Perturbation walking (PW) has been shown to improve gait, however its effect on the cortical control of gait might provide insights on neural mechanisms underlying falls in adults with osteoarthritis. The objective of this study is to investigate the effect of PW on prefrontal cortical (PFC) activation in older women with (OA) and without osteoarthritis (HOA). We hypothesized that there would be an increase in PFC activation during PW relative to comfortable walking (CW) and higher increase in PFC activation during PW in HOA compared to OA. Methods: Twenty community-dwelling older women (66.7 ± 5.41 years old) walked on …
Graduate Public Health Student Learning Experiences, Social Connectedness, And Mental Health During Covid-19: Pedagogical Implications For Public Health Academic Departments, Harit Agroia, Rachel Berkowitz, Andrew Carter, Vicky Gomez, Monica Allen
Graduate Public Health Student Learning Experiences, Social Connectedness, And Mental Health During Covid-19: Pedagogical Implications For Public Health Academic Departments, Harit Agroia, Rachel Berkowitz, Andrew Carter, Vicky Gomez, Monica Allen
Faculty Research, Scholarly, and Creative Activity
Introduction: The COVID-19 pandemic impacted college student learning both globally and nationally. Current literature points to decreases in social connectedness, adverse mental health outcomes, and decreased overall learning outcomes; however, there are limited findings from higher education institutions within the Bay Area, California. There are also limited studies that examine the COVID-19 impact among public health graduate students, especially to understand how the pandemic renewed their interest in the field. The purpose of this study was to investigate the effects of COVID-19 on graduate student learning experiences, social connectedness and mental health within the Master of Public Health program at …
Episodic Memory Assessment: Effects Of Sex And Age On Performance And Response Time During A Continuous Recognition Task, James O. Clifford, Sulekha Anand, Franck Tarpin-Bernard, Michael F. Bergeron, Curtis B. Ashford, Peter J. Bayley, John Wesson Ashford
Episodic Memory Assessment: Effects Of Sex And Age On Performance And Response Time During A Continuous Recognition Task, James O. Clifford, Sulekha Anand, Franck Tarpin-Bernard, Michael F. Bergeron, Curtis B. Ashford, Peter J. Bayley, John Wesson Ashford
Faculty Research, Scholarly, and Creative Activity
Introduction: Continuous recognition tasks (CRTs) assess episodic memory (EM), the central functional disturbance in Alzheimer’s disease and several related disorders. The online MemTrax computerized CRT provides a platform for screening and assessment that is engaging and can be repeated frequently. MemTrax presents complex visual stimuli, which require complex involvement of the lateral and medial temporal lobes and can be completed in less than 2 min. Results include number of correct recognitions (HITs), recognition failures (MISSes = 1-HITs), correct rejections (CRs), false alarms (FAs = 1-CRs), total correct (TC = HITs + CRs), and response times (RTs) for each HIT and …
Access And Utilisation Of Open Educational Resources By Academics And Students Among Tertiary Institutions In Tanzania, Pamela Patrick Bulugu, Jaffar Msafiri Ponera Dr.
Access And Utilisation Of Open Educational Resources By Academics And Students Among Tertiary Institutions In Tanzania, Pamela Patrick Bulugu, Jaffar Msafiri Ponera Dr.
Library Philosophy and Practice (e-journal)
This study investigated the use of open educational resources (OER) among academics and students at the Local Government Training Institute in Tanzania (LGTI). The study was premised on the pragmatism paradigm and deployed a mixed-methods research approach. An explanatory sequential design was used. The sample size comprised 55 respondents from LGTI who filled out questionnaires. Five library staff and two ICT staff were purposefully selected for interviews. Quantitative data was analysed using SPSS version 16, while qualitative data was thematically analysed based on the themes that emerged from the interview. The findings from the questionnaires and interviews established that academics …
Transformational Leadership Of Library Chiefs And Its Mediating Effect On Job Satisfaction And Quality Of Work-Life, Catherine Era, Estela Dequito
Transformational Leadership Of Library Chiefs And Its Mediating Effect On Job Satisfaction And Quality Of Work-Life, Catherine Era, Estela Dequito
Library Philosophy and Practice (e-journal)
In this study, chief librarians in the Province of South Cotabato were asked to assess the mediating role that transformational leadership played in the relationship between job satisfaction and quality of work-life. This work used descriptive correlational and mediation techniques in a non-experimental quantitative research design. The researcher questionnaires utilized in the research were adjusted to the goals of the investigation. Through stratified sampling, 83 librarians were chosen to participate in the survey. The statistical techniques used to analyze and interpret the data are mean and Pearson's r. The researcher utilized Google Forms, an online survey tool, to collect the …
Institutional Factors As Determinants Of Perceived Quality Service Delivery By Personnel In University Libraries In Benue State, Nigeria, Doocivir Faith Annune, Olalekan Abiola Awujoola Dr.
Institutional Factors As Determinants Of Perceived Quality Service Delivery By Personnel In University Libraries In Benue State, Nigeria, Doocivir Faith Annune, Olalekan Abiola Awujoola Dr.
Library Philosophy and Practice (e-journal)
The university library is an integral part of the university, as it provides and ensures access to quality information resources and services. The quality of information services provided by university libraries depends on various factors including institutional factors. This study, thus, investigates institutional factors as determinants of perceived quality service delivery by personnel in university libraries in Benue State, Nigeria. The study adopted the descriptive survey research design. The population of the study comprised all 262 library personnel in four university libraries in Benue State, Nigeria. Total enumeration method was adopted and structured questionnaire was used for data collection. Data …