Digital Commons Network^™

Evaluating The Impact On Users From Implementing A Course Management System, Charles R. Graham, Meghan M. Kennedy, Gregory L. Waddoups, Richard E. West

Faculty Publications

Nearly all colleges and universities are using some form of e-learning system, usually an expensive course management system (CMS), to create online course offerings or to enhance regular, classroom-oriented courses. Our university has invested a large amount of resources into purchasing and supporting one of the two most popular CMS vendors, and it has become imperative to understand what the effects from using this technology have been, as well as how we can improve the integration of this and other educational technologies into different instructional contexts. This project, through a combination of surveys, call-log analysis, and interviews, was used to …

Water In Beaver Dam Wash And Lytle Preserve, Stanley L. Welsh

Books by Faculty of the Monte L. Bean Life Science Museum

This short work is derived from a manuscript prepared for presentation in a water adjudication hearing, following a proposal to pipe water from wells in Beaver Dam Wash for transfer across state lines to be used for culinary and other purposes in Mesquite, Nevada. The Wash is estimated to yield 2000 acre feet of water annually, mostly as subsurface flow, at the Arizona line. About a third of that amount is already appropriated by users along the Wash in Utah, but there are applications pending for more than 100,000 acre feet in Utah. Thus, the Wash is already oversubscribed by …

Human–Robot Interaction: A Survey, Michael A. Goodrich, Alan C. Schultz

Faculty Publications

Human–Robot Interaction (HRI) has recently received considerable attention in the academic community, in labs, in technology companies, and through the media. Because of this attention, it is desirable to present a survey of HRI to serve as a tutorial to people outside the field and to promote discussion of a unified vision of HRI within the field. The goal of this review is to present a unified treatment of HRI-related problems, to identify key themes, and discuss challenge problems that are likely to shape the field in the near future. Although the review follows a survey structure, the goal of …

Avpv Neurons Containing Estrogen Receptor-Beta In Adult Male Rats Are Influenced By Soy Isoflavones, Edwin D. Lephart, Lihong H. Bu

Faculty Publications

Background Isoflavones, the most abundant phytoestrogens in soy foods, are structurally similar to 17beta-estradiol. It is known that 17beta-estradiol induces apoptosis in anteroventral periventricular nucleus (AVPV) in rat brain. Also, there is evidence that consumption of soy isoflavones reduces the volume of AVPV in male rats. Therefore, in this study, we examined the influence of dietary soy isoflavones on apoptosis in AVPV of 150 day-old male rats fed either a soy isoflavone-free diet (Phyto-free) or a soy isoflavone-rich diet (Phyto-600). Results: The occurrence of apoptosis in AVPV was examined by TUNEL staining. The incidence of apoptosis was about 10 times …

Understanding The Experiences Of Instructors As They Adopt A Course Management System, Charles R. Graham, Gregory L. Waddoups, Richard E. West

Faculty Publications

In this study, we used qualitative methods to help us better understand the experiences of instructors as they are persuaded to adopt a course management system and integrate it into their teaching. We discuss several patterns explaining how instructors implemented Blackboard, a CMS, by experimenting with individual features, facing both technical and integration challenges, and attempting to adapt Blackboard features to match their goals and practices. We also give explanations for why instructors either a) embraced the tool and grew more dependent on it, b) reduced their use of the tool to only some features, or c) discontinued the tool …

Modeling And Sensitivity Analysis Of Acoustic Release Of Doxorubicin From Unstabilized Pluronic P105 Using An Artificial Neural Network Model, Ghaleb A. Husseini, Nabil M. Abdel-Jabbar, Farouq S. Mjalli, William G. Pitt

Faculty Publications

This paper models steady state acoustic release of Doxorubicin (Dox) from Pluronic P105micelles using Artificial Neural Networks (ANN). Previously collected release data werecompiled and used to train, validate, and test an ANN model. Sensitivity analysis was thenperformed on the following operating conditions: ultrasonic frequency, power density, Plu-ronic P105 concentration, and temperature. The model showed that drug release was mostefficient at lower frequencies. The analysis also demonstrated that release increases as thepower density increases. Sensitivity plots of ultrasound intensity revealed a drug releasethreshold of 0.015 W/cm2 and 0.38 W/cm2 at 20 and 70 kHz, respectively. The presence ofa power density threshold …

An Investigation Of Methods To Homogeneously Entrain And Suspend Abrasive Particles In A Low Pressure Dental Water Jet, Michael Sean Grygla

Theses and Dissertations

During the past several decades, the water jet cutting concept has developed from a novel concept into a well-accepted machine cutting tool. With the addition of abrasive particles and the improvement of high pressure pumps, the water jet stream is currently capable of cutting through metal, concrete, and composite materials. Water jet systems have been utilized at a wide range of different pressures. Research performed at Brigham Young University has revealed that low pressure water jets have the ability to cut human teeth. Experiments have shown that when abrasive particles are added to the water jet stream, an greater amount …

An Analysis Of The Subjective Socioeconomic Scale Among Hispanic Immigrants And Caucasians, Mathew Glen Bowden

Theses and Dissertations

Subjective socioeconomic status (SES) has previously been shown to be correlated with a large number of health measures. In this study, the subjective SES measure is modified and translated to measure childhood SES. The subjective SES scale is examined in a participant's hometown, community, and nation. Both an immigrant Hispanic and a Caucasian sample were studied (31 Hispanic males; 42 Hispanic females; 38 Caucasian males, 40 Caucasians females). Childhood SES was the most significant predictor of self-reported health in both sample groups.

High-Frequency Ultrasound Drug Delivery And Cavitation, Mario Alfonso Diaz

Theses and Dissertations

The viability of a drug delivery system which encapsulates chemotherapeutic drugs (Doxorubicin) in the hydrophobic core of polymeric micelles and triggers release by ultrasound application was investigated at an applied frequency of 500 kHz. The investigation also included elucidating the mechanism of drug release at 70 kHz, a frequency which had previously been shown to induce drug release. A fluorescence detection chamber was used to measure in vitro drug release from both Pluronic and stabilized micelles and a hydrophone was used to monitor bubble activity during the experiments. A threshold for release between 0.35 and 0.40 in mechanical index was …

Modeling Hydrological Response Of The Upper Suriname River Basin To Climate Change

Journal of Spatial Hydrology

The goal of this paper is to assess the impact of future climate change on the hydrological regime of the tropical Upper Suriname river basin (7,860 km²) located in Suriname. GCM based climate scenarios from the MAGICC/SCENGEN model and 14 hypothetical climate scenarios are used to examine potential changes in water balance components in the study area. A physically-based distributed hydrological model, WetSpa, and Geographic Information Systems (GIS) are used to simulate the historical and future hydrological conditions. The evaluation results indicate that the model has a relatively high confidence (model bias C1 is 0.046 and the model …

Reading The Fairytales Of Hans Christian Andersen And The Novels Of Horatio Alger As Proto-Entrepreneurial Narrative Or A True Story Of Two Boys Who Grew Up To Write Stories Which Shaped The Entrepreneurial Attitude Of Their Nations!, Robert Smith, Helle Neergaard

The Bridge

We believe that these two very different fairytales are a fitting introduction to the first part of this two part exploration by the authors into Danish and Danish-American Enterprise Culture. This is because they capture the spirit of their respective nations as it stood in 19th Century Denmark and America. The idea for the article flourished from an email conversation, between the authors Helle Neergaard and Robert Smith in late December 2005. The basis of the conversation was that with the year 2005 being the 200th anniversary of the birth of Denmark's favourite son Hans Christian Andersen it would be …

An Interface Of Drainage Division For Modeling Wetlands And Riparian Buffers In Agricultural Watersheds

Journal of Spatial Hydrology

In a complex watershed, isolated wetlands, riparian wetlands and riparian buffers provide important functions such as flood attenuation and water quality improvement. For conservation purposes, it is critical to properly delineate drainage areas for these features such that their impacts on runoff, sediment and pollutant transport can be reasonably simulated. However, traditional methods for watershed delineation typically fill depressions or ignore riparian features in order to maintain the continuity of surface flow pattern. In this study we develop an ArcView geographic information system (GIS) interface for watershed delineation that accounts for wetlands and riparian buffers. Based on digital elevation model …

Assessing Aquifer Vulnerability To Arsenic Pollution Using Drastic And Gis Of North Bengal Plain: A Case Study Of English Bazar Block, Malda District, West Bengal, India

Journal of Spatial Hydrology

Geographic Information System (GIS) was utilized to apply a modified DRASTIC method to assess the aquifer vulnerability to pollution of English Bazar Block of Malda District, West Bengal, India. In the western, central and southern parts of the study area the aquifer is prone to contamination. Therefore, in these regions pesticides, which may contain arsenic or arsenic rich groundwater, should not be used in irrigated land or mango orchards. In order to understand the reliability of the aquifer vulnerability, sensitivity analysis was carried out. This analysis indicates that in 62% of the area the vulnerability classes correspond to the present …

Bark And Ambrosia Beetles Of South America (Coleoptera, Scolytidae), Stephen L. Wood

Books by Faculty of the Monte L. Bean Life Science Museum

This monographic review of the Scolytidae of South America presents keys and descriptions for the identification of 1339 species, including species in selected genera from Mexico and Central America. For a comprehensive list of new replacement names, new combinations, new alignment of genera in Ips and Orthotomicus, new statuses (removed from synonymy), new synonymies of genera and species, and genera and species new to science, download the complete abstract.

Table of Contents

Abstract

Preface

Introduction

Family Scolytidae

Key to Subfamilies, Tribes

Subfamily Hylesininae

Subfamily Scolytinae

Label Data for Figured Specimens

Plates

Literature Cited

Index

Full Issue

BYU Asian Studies Student Journal

No abstract provided.

Writing Over Silence: The Asian-American In-Between Identity, Amy Scott

BYU Asian Studies Student Journal

My daily routine is pure ritual and thus pure theatre. A routinely perfect production of a comfortable unwritten script: stage dark, save for a dim morning light; spot on tousseled black hair, white pillow, and a blanket nest. Wake up, pad into the bathroom; mise-en-scène a student’s sanctuary. In the bathroom, suit up: costume, makeup/mask, deliberately casual—as if any day could become a beach day. Flip on Elvis and dance while pouring milk onto cold cereal. The door opens, and the play begins en force.

On Deserts, Loneliness, And Handshakes, Lara Burton

Library Research Grants

No abstract provided.

A Study For The Improvement Of The Sellback Program, David Clive, Daniel Harris, Megan Hopkins, Wade Whiting

Student Works

Our marketing group conducted a research project for the BYU Bookstore to help the company develop a strategy to improve the Textbook Sellback program. After meeting with Tom Hirtzel, the manager of textbook operations for the BYU Bookstore, we determined the basic objectives of the project to be: To understand students' motivation in textbook sellback, To make recommendations of how to increase the number of textbooks sold back to the BYU Bookstore, To gather marketing information on the benefits of having remote locations to sell back textbooks around BYU campus. Marketing research team is comprised of David Clive, Daniel Harris, …

Northern Goshawk Nest Activity As An Indicator Of Habitat Quality On Three National Forests In Southern Utah, K. S. Marvel, R. L. Rodriguez, Landon R. Jones

Student Works

The Northern Goshawk (Accipiter gentilis) has been a species of concern in the western United States since it was thought to be in decline in the 1970s. Loss of critical breeding and wintering habitat has contributed, in part, to this decline. In the U.S., the goshawk was listed in 1991 as a sensitive species for the Intermountain Region of the Forest Service. This region includes all National Forests in Utah. The goshawk also holds the status of a Management Indicator Species (MIS) on all six National Forests in Utah (USDA Forest Service 1999). The aim of the Forest Service was …

Exploring Special Places: Connecting Secondary Art Students To Their Island Community, Mark Graham

Faculty Publications

No abstract provided.

Genetic Diversity And Low Reproductive Success In Isolated Populations Of Utah Juniper (Juniperus Osteosperma, Cupressaceae), Loreen Allphin, Val J. Anderson, Amy F. Hunt

Faculty Publications

Utah juniper (Juniperus osteosperma) has greatly expanded its historical range in the western United States. Management plans for the species have focused on curtailing its encroachment into sagebrush and grassland communities. These plans often include burning or other methods of elimination. These methods may result in subdivision or fragmentation of existing juniper stands. We initiated a study at Dugway Proving Ground, a U.S. Army facility, to examine the effects of fragmentation on the reproductive success of Utah juniper in isolated populations. We used enzyme electrophoresis to quantify genetic variability in isolated populations. We also determined population reproductive success by examining …

Cultural Competence And Instructional Design: Exploration Research Into The Delivery Of Online Instruction Cross, P. Clint Rogers, Charles R. Graham, Clifford T. Mayes

Faculty Publications

The amount of resources being poured by Western universities, companies, and governments into creating educational content to be exported (via the Internet) to other cultures is astounding. Those assigned to accomplish this task are left with the great challenge of meeting the needs of learners who come from cultures that are foreign to them, and who often have very different abilities and expectations than originally assumed. This study explores the cultural competence in the lived experience of 12 professionals who have been involved with such efforts. Often they have had to question their assumptions, recognizing flaws in their own thinking …

Empowering Or Compelling Reluctant Participators Using Audience Response Systems, Charles R. Graham, Tonya R. Tripp, Larry Seawright, George L. Joeckel Iii

Faculty Publications

This article investigates the impact of an audience response system (ARS) on student engagement in undergraduate university courses. A survey was administered to students in a dozen courses piloting the ARS system. On 13 out of 14 measures the majority of students thought the system was helpful. Overall, students were more positive about the use of the ARS in courses that used the tool for formative feedback (empowering) rather than for grading or attendance purposes (compelling). The authors discuss the positive impact of the ARS on the engagement of ‘reluctant participators’ or students who reported that they are least likely …

Diluents For Cryopreservation Of Semen From Non-Woolly Llamas (Lama Glama), Franz Nicolas Bustos Fernández

Theses and Dissertations

The collection and preservation of llama semen is not a standardized procedure as it is in cattle. It has a number of complications that are mainly associated with the characteristics of the semen. In order to contribute to the knowledge of reproductive biology, we decided to evaluate the behavior of llama semen in relation to the different diluters in this study. This study was done at the National Germplasm Bank for Camelids which is part of the Ministry of Rural Development of Agriculture and Environment. The Ministry is located in the Agriculture Experiment Center of Condoriri which belongs to the …

Praying, Playing, And Successful Families: An Examination Of Family Religiosity, Family Leisure, And Family Functioning, Sarah Taylor Agate, Ramon B. Zabriskie, Dennis L. Eggett

Faculty Publications

The purpose of this study was to examine the relationship between family religiosity, family leisure, and family functioning. The sample consisted of 121 parents and 99 youth from various religious groups. Results indicated a positive relationship between family religiosity and family leisure. Both family religiosity and family leisure had a significant relationship with family functioning in this sample. Data collected from both parents and youth provided insight into the influence of family religiosity and family leisure on family functioning. Family religiosity was the strongest predictor of family functioning for parents. For youth, both family leisure and family religiosity were significant …

Old Icelandic Gaglviðr, Aurelijus Vijūnas

Quidditas

This essay discusses a debated word form gaglviðr occurring in stanza 42 of the Old Icelandic poem VÄluspá 'The Prophesy of the Seeress'. The noun gaglviðr is problematic both from the semantic point of view (Old Icelandic gagl 'gosling', viðr 'tree; forest' 'gosling forest'?), and because it possesses a variant spelling galgviðr ('gallows' tree;’gallows' forest') which occurs in another manuscript containing the same poem. In the present paper, the form gaglviðr is considered to be the correct and the original form of this word, whereas the form galgviðr is interpreted as a scribal error. Various existing semantic analyses of the …

Ideology In The Guise Of Science, David Grandy

Review of Books on the Book of Mormon 1989–2011

Review of Richard Dawkins. The God Delusion.

Utilizing Focus Groups To Evaluate An Information Literacy Program In A General Biology Course, Betsy S. Hopkins

Faculty Publications

The Harold B. Lee Library at Brigham Young University (BYU) recently implemented a number of information literacy strategies to help students in Biology 100, a large general education class, find resources for their term assignment. The library's services for Biology 100 students were evaluated using focus groups composed of both teaching assistants and students. This paper will describe the class and the assignment, discuss the impact the class had on library staff, detail the efforts of the staff to meet the needs of Biology 100 students, and present results of focus groups used to evaluate the library's outreach and teaching …

Attributes Of Meaningful Learning Experiences In An Outdoor Education Program, Stacy T. Taniguchi, Patti A. Freeman, A. Legrand Richards

Faculty Publications

This phenomenological study sought to identify the attributes of meaningful learning experiences as found in an outdoor education program. Thirteen students in the Wilderness Writing Program at Brigham Young University were the sample of this study. Their participation in outdoor recreational activities and their reflections about their experiences were analyzed. Through written journal entries, group discussions, observations, and writing assignments, a qualitative analysis identified attributes that occurred in their meaningful learning experiences. Meaningful learning was defined as a realization of a person's weaknesses, strengths, and potentials. This realization came through experiences with attributes of a degree of perceived risk, which …

"If You Want Me To Treat You Like An Adult, Start Acting Like One!" Comparing The Criteria That Emerging Adults And Their Parents Have For Adulthood, Larry J. Nelson, Laura M. Padilla-Walker, Jason S. Carroll, Stephanie D. Madsen, Carolyn Mcnamara Barry, Sarah Badger

Faculty Publications

The purpose of this study was (a) to identify the criteria parents of emerging adults consider necessary and important for their children to achieve adulthood, (b) to compare parents' criteria for adulthood with the criteria espoused by emerging adults, and (c) to examine how these criteria might differ on the basis of gender and the parent and gender of the child. Participants included 392 unmarried college students, ages 18–25, and at least 1 of their parents (271 fathers, 391 mothers). Results revealed that (a) as did their children, most parents did not yet view their children as adults, (b) there …