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Articles 2221 - 2250 of 14258
Full-Text Articles in Entire DC Network
Comparing Student Learning From And Perceptions Of Open And Commercial Textbook Excerpts: A Randomized Experiment, Virginia Clinton, Elizabeth Legerski, Brittany Rhodes
Comparing Student Learning From And Perceptions Of Open And Commercial Textbook Excerpts: A Randomized Experiment, Virginia Clinton, Elizabeth Legerski, Brittany Rhodes
Education, Health & Behavior Studies Faculty Publications
Open textbooks, which provide students with electronic access to texts without fees, have been developed as alternatives to commercial textbooks. Building on prior quasi-experiments, the purpose of this study is to experimentally compare an open and commercial textbook. College students (N = 144) were randomly assigned to read an excerpt from an open or commercial textbook, answer questions about content, and indicate their perceptions of textbook quality. Learning was similar between textbook types. Perceptions differed in that the discussion of research findings was reported as higher quality in the open textbook while the visuals and writing were reported as higher …
October 15, 2019, The Dakota Student
Volume 57, Number 9: October 09, 2019, University Of North Dakota
Volume 57, Number 9: October 09, 2019, University Of North Dakota
University Letter Archive
No abstract provided.
October 4, 2019, The Dakota Student
October 3, 2019, University Of North Dakota
October 3, 2019, University Of North Dakota
University Senate Meeting Minutes
Minutes from the October 3, 2019, meeting of the University Senate. 3 pages
Volume 57, Number 8: October 02, 2019, University Of North Dakota
Volume 57, Number 8: October 02, 2019, University Of North Dakota
University Letter Archive
No abstract provided.
Peer Victimization, Internalizing Problems, And Substance Use In Urban African American Adolescents In Chicago: The Relevance Of The Self-Medication Hypothesis, Jun Sung Hong, Yi-Ping Hsieh, Kelly Lynn Clary, Rose Theda, Ryan Russ, Dexter R. Voisin
Peer Victimization, Internalizing Problems, And Substance Use In Urban African American Adolescents In Chicago: The Relevance Of The Self-Medication Hypothesis, Jun Sung Hong, Yi-Ping Hsieh, Kelly Lynn Clary, Rose Theda, Ryan Russ, Dexter R. Voisin
Social Work Faculty Publications
The aim of the study was to explore the link between peer victimization and substance use and tested the mediating role of internalizing problems in urban African American adolescents in Chicago. Six hundred and thirty-eight adolescents in Chicago's Southside participated in the study. Results from the hierarchical linear regression analysis showed that youth who reported peer victimization were at risk of internalizing problems. Those who were bullied by their peers were more likely to display internalizing problems, which was also significantly associated with substance use. Consistent with the self-medication hypothesis, findings from the study suggest that bullied youth are likely …
Und Today: October 2019, University Of North Dakota
Und Today: October 2019, University Of North Dakota
UND Today Archive
No abstract provided.
October 1, 2019, The Dakota Student
Fact Or Fake? Helping Students Get The Facts, Holly Gabriel, Susanne Caro
Fact Or Fake? Helping Students Get The Facts, Holly Gabriel, Susanne Caro
Librarian Posters and Presentations
Do your students have the skills needed to track down sources? If presented with a statement, can they drill down past the fluff to the source? Learn about reliable resources, how to go from a news article or a Facebook post to get to the truth. This presentation is geared for those working with high school and college students.
Discrepant Responding Across Measures Of College Students’ Sexual Victimization Experiences: Conceptual Replication And Extension, Raeann E. Anderson, Douglas D. Delahanty
Discrepant Responding Across Measures Of College Students’ Sexual Victimization Experiences: Conceptual Replication And Extension, Raeann E. Anderson, Douglas D. Delahanty
Psychology Faculty Publications
Sexual violence victimization affects approximately 1 in 5 college women and 1 in 6 college men; however, rates of sexual victimization vary widely, in part due to measurement issues. The present study is the first to compare the Sexual Experience Survey-Short Form Victimization to a measure of sexual victimization designed to capture gender differences, the Post-Refusal Sexual Persistence Scale-Victimization (PRSPS-V). Prior research has compared the perpetration versions of these questionnaires and found large discrepancies. College students (N = 673: 367 women, 298 men, 8 gender minority) were surveyed. The SES-SFV identified 260 cases of sexual victimization whereas the PRSPS-V identified …
Volume 57, Number 7: September 25, 2019, University Of North Dakota
Volume 57, Number 7: September 25, 2019, University Of North Dakota
University Letter Archive
No abstract provided.
September 24, 2019, The Dakota Student
Volume 57, Number 6: September 18, 2019, University Of North Dakota
Volume 57, Number 6: September 18, 2019, University Of North Dakota
University Letter Archive
No abstract provided.
September 17, 2019, The Dakota Student
Red Oak Seedlings As Indicators Of Deer Browse Pressure: Gauging The Outcome Of Different White-Tailed Deer Management Approaches, Bernd Blossey, Paul Curtis, Jason Boulanger, Andrea Davalos
Red Oak Seedlings As Indicators Of Deer Browse Pressure: Gauging The Outcome Of Different White-Tailed Deer Management Approaches, Bernd Blossey, Paul Curtis, Jason Boulanger, Andrea Davalos
Biology Faculty Publications
After decades of high deer populations, North American forests have lost much of their previous biodiversity. Any landscape‐level recovery requires substantial reduc‐ tions in deer herds, but modern societies and wildlife management agencies appear unable to devise appropriate solutions to this chronic ecological and human health crisis. We evaluated the effectiveness of fertility control and hunting in reducing deer impacts at Cornell University. We estimated spring deer populations and planted Quercus rubra seedlings to assess deer browse pressure, rodent attack, and other factors compromising seedling performance. Oak seedlings protected in cages grew well, but deer annually browsed ≥60% of unprotected …
September 13, 2019, The Dakota Student
Volume 57, Number 5: September 11, 2019, University Of North Dakota
Volume 57, Number 5: September 11, 2019, University Of North Dakota
University Letter Archive
No abstract provided.
September 10, 2019, The Dakota Student
A Graphene Oxide-Based Fluorescence Assay For Sensitive Detection Of Dna Exonuclease Enzymatic Activity, Xiao Liu, Yingfen Wu, Xu Wu, Julia Zhao
A Graphene Oxide-Based Fluorescence Assay For Sensitive Detection Of Dna Exonuclease Enzymatic Activity, Xiao Liu, Yingfen Wu, Xu Wu, Julia Zhao
Chemistry Faculty Publications
The 3′–5′ exonuclease enzyme plays a dominant role in multiple pivotal physiological activities, such as DNA replication and repair processes. In this study, we designed a sensitive graphene oxide (GO)-based probe for the detection of exonuclease enzymatic activity. In the absence of Exo III, the strong π–π interaction between the fluorophore-tagged DNA and GO causes the efficient fluorescence quenching via a fluorescence resonance energy transfer (FRET). In contrast, in the presence of Exo III, the fluorophore-tagged 3′-hydroxyl termini of the DNA probe was digested by Exo III to set the fluorophore free from adsorption when GO was introduced, causing an …
Volume 57, Number 4: September 04, 2019, University Of North Dakota
Volume 57, Number 4: September 04, 2019, University Of North Dakota
University Letter Archive
No abstract provided.
A Test-Bed For Measuring Uas Servo Reliability, Abdelrahman Elsaid, Daniel Kwasi Adjekum, John Nordlie, Fatima El Jamiy
A Test-Bed For Measuring Uas Servo Reliability, Abdelrahman Elsaid, Daniel Kwasi Adjekum, John Nordlie, Fatima El Jamiy
Aviation Faculty Publications
Extant literature suggests minimal research on the reliability of Commercial off-the-shelf (COTS) components used in fabricating non-military Unmanned Aerial System (UAS). Stochastic failures of components during operational cycles over time poses a safety hazard to flight operations. The purpose of the study was to critically assess the operational performance standards (reliability) of a laboratory designed UAS component test-bed operated using real-world data collected from a Boeing Scan Eagle® UAS aileron servo unit via a flight data recorder. The study hypothesized that the test-bed’s reliability, in terms of a measured encoder output of commanded servo positions, will not be significantly …
Identifying Patients With Coronary Artery Disease Using Rest And Exercise Seismocardiography, Parastoo Dehkordi, Erwin P. Bauer, Kouhyar Tavakolian, Vahid Zakeri, Andrew P. Blaber, Farzad Khosrow-Khavar
Identifying Patients With Coronary Artery Disease Using Rest And Exercise Seismocardiography, Parastoo Dehkordi, Erwin P. Bauer, Kouhyar Tavakolian, Vahid Zakeri, Andrew P. Blaber, Farzad Khosrow-Khavar
Electrical Engineering Faculty Publications
Coronary artery disease (CAD) is the most common cause of death globally. Patients with suspected CAD are usually assessed by exercise electrocardiography (ECG). Subsequent tests, such as coronary angiography and coronary computed tomography angiography (CCTA) are performed to localize the stenosis and to estimate the degree of blockage. The present study describes a non-invasive methodology to identify patients with CAD based on the analysis of both rest and exercise seismocardiography (SCG). SCG is a non-invasive technology for capturing the acceleration of the chest induced by myocardial motion and vibrations. SCG signals were recorded from 185 individuals at rest and immediately …
Und Today: September 2019, University Of North Dakota
Und Today: September 2019, University Of North Dakota
UND Today Archive
No abstract provided.
September 5, 2019: Agenda, University Of North Dakota
September 5, 2019: Agenda, University Of North Dakota
University Senate Meeting Minutes
Agenda for the September 5, 2019, meeting of the University Senate. 55 pages
Volume 57, Number 3: August 28, 2019, University Of North Dakota
Volume 57, Number 3: August 28, 2019, University Of North Dakota
University Letter Archive
No abstract provided.
Synthesis And Use Of Bio-Based Dielectric Substrate For Implanted Radio Frequency Antennas, Austin Tesser, Ala Alemaryeen, Jeremy Lewis, Ali Alshami, Meysam Haghshenas, Sima Noghanian
Synthesis And Use Of Bio-Based Dielectric Substrate For Implanted Radio Frequency Antennas, Austin Tesser, Ala Alemaryeen, Jeremy Lewis, Ali Alshami, Meysam Haghshenas, Sima Noghanian
Chemical Engineering Faculty Publications
Equipped with precision sensors/antenna modules combined with integrated processing and telemetry circuitry, wireless implants that are both biocompatible and biodegradable are important devices for monitoring patient's conditions and patient's safety. In this article we report on the development, design, and testing of a bio-based monopole radio frequency (RF) sensor/antenna module for potential use in human health applications. The module is built on a dielectric substrate biocomposite made of 0.5:1.0 ratio of polylactic acid (PLA) to sunflower carbon substrate (SCS) produced via pyrolysis of seeds shells. Findings for the SCS include optimized reactor yields around 7.9 wt.% at 500°C, a 0.27:1.0 …
Effects Of Childhood Adversity And Resilience On Taiwanese Youth Health Behaviors, Yu-Ching Wang, Miguel M. Guerola, Yi-Ching Lin, Yi-Ping Hsieh, Carol Strong, Meng-Che Tsai, Chung-Ying Lin
Effects Of Childhood Adversity And Resilience On Taiwanese Youth Health Behaviors, Yu-Ching Wang, Miguel M. Guerola, Yi-Ching Lin, Yi-Ping Hsieh, Carol Strong, Meng-Che Tsai, Chung-Ying Lin
Social Work Faculty Publications
Adverse childhood experiences (ACEs) can leave negative impacts on one's health behaviors or social functioning later in life. Resilient characteristics have been shown to mitigate effects against risk behaviors in developing adolescents. However, clinical and research attention has rarely been given to jointly consider the effects of ACEs and resilient characteristics on health behaviors in Taiwanese youth. Method: A total of 200 individuals aged 15–22 years were recruited from primary care settings, communities, and schools. Participants completed questionnaires assessing their ACEs, resilient characteristics, and health behaviors. Univariate analysis was firstly used to describe the correlates of ACEs and resilient characteristics. …
Comparison Of Different Methods For Estimating Cardiac Timings: A Comprehensive Multimodal Echocardiography Investigation, Parastoo Dehkordi, Farad Khosrow-Khavar, Marco Di Rienzo, Omer T. Inan, Samuel E. Schmidt, Andrew P. Blaber, Kasper Sorensen, Johannes J. Struijk, Vahid Zakeri, Prospero Lombardi, Md. Mobaskir H. Shandhi, Mojtaba Borairi, John M. Zanetti, Kouhyar Tavakolian
Comparison Of Different Methods For Estimating Cardiac Timings: A Comprehensive Multimodal Echocardiography Investigation, Parastoo Dehkordi, Farad Khosrow-Khavar, Marco Di Rienzo, Omer T. Inan, Samuel E. Schmidt, Andrew P. Blaber, Kasper Sorensen, Johannes J. Struijk, Vahid Zakeri, Prospero Lombardi, Md. Mobaskir H. Shandhi, Mojtaba Borairi, John M. Zanetti, Kouhyar Tavakolian
Biomedical Sciences Faculty Publications
Cardiac time intervals are important hemodynamic indices and provide information about left ventricular performance. Phonocardiography (PCG), impedance cardiography (ICG), and recently, seismocardiography (SCG) have been unobtrusive methods of choice for detection of cardiac time intervals and have potentials to be integrated into wearable devices. The main purpose of this study was to investigate the accuracy and precision of beat-to-beat extraction of cardiac timings from the PCG, ICG and SCG recordings in comparison to multimodal echocardiography (Doppler, TDI, and M-mode) as the gold clinical standard. Recordings were obtained from 86 healthy adults and in total 2,120 cardiac cycles were analyzed. For …
Volume 57, Number 1: August 14, 2019, University Of North Dakota
Volume 57, Number 1: August 14, 2019, University Of North Dakota
University Letter Archive
No abstract provided.