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Articles 6301 - 6330 of 10253
Full-Text Articles in Entire DC Network
Do Emotions Have Distinct Vocal Profiles? A Study Of Idiographic Patterns Of Expression, Bruce L. Brown, Matthew M. Spackman, Sean Otto
Do Emotions Have Distinct Vocal Profiles? A Study Of Idiographic Patterns Of Expression, Bruce L. Brown, Matthew M. Spackman, Sean Otto
Faculty Publications
Research on vocal expressions of emotion indicates that persons can identify emotions from voice with relatively high accuracy rates. In addition, fairly consistent vocal profiles for specific emotions have been identified. However, important methodological issues remain to be addressed. In this paper, we address the issue of whether there are individual differences in the manner in which particular emotions may be expressed vocally and whether trained speakers’ portrayals of emotion are in some sense superior to untrained speakers’ portrayals. Consistent support was found for differences across speakers in the manner in which they expressed the same emotions. No accompanying relationship …
Tpack Development In Science Teaching: Measuring The Tpack Confidence Of Inservice Science Teachers, Charles R. Graham, Nicolette Burgoyne, Pamela Cantrell, Leigh Smith, Larry St. Clair, Ron Harris
Tpack Development In Science Teaching: Measuring The Tpack Confidence Of Inservice Science Teachers, Charles R. Graham, Nicolette Burgoyne, Pamela Cantrell, Leigh Smith, Larry St. Clair, Ron Harris
Faculty Publications
Knowledge related to the effective use of educational technologies has become widely recognized as an important aspect of an educator’s knowledge-base for the 21st Century (ISTE, 2008; National Council for Accreditation of Teacher Education, 1997; Partnership for 21st Century Skills, 2003). Early in the history of educational technology, educators were taught in technology classes that focused primarily on technology skills independent from the pedagogical or content courses (Graham, Culatta, Pratt, & West, 2004; Hargrave & Hsu, 2000; Willis & Mehlinger, 1996). Educators soon recognized that technology skills alone did not serve them well because one could know how to operate …
Field Identification Of Myotis Yumanensis And Myotis Lucifugus: A Morphological Evaluation, Thomas J. Rodhouse, Shonene A. Scott, Patricia C. Ormsbee, Jan M. Zinck
Field Identification Of Myotis Yumanensis And Myotis Lucifugus: A Morphological Evaluation, Thomas J. Rodhouse, Shonene A. Scott, Patricia C. Ormsbee, Jan M. Zinck
Western North American Naturalist
Myotis lucifugus and Myotis yumanensis are 2 species of bats subject to potentially high rates of misidentification because they are often difficult to differentiate in the hand under field conditions. We tested the utility of a suite of external morphological characteristics frequently cited in regional keys to differentiate the 2 species in the field. Forearm length, dorsal pelage sheen, ear color, and forehead slope were examined from 101 bats captured in central Oregon during 2002–2003. Post hoc genetic analysis was performed on tissue samples collected from the 101 bats to confirm identification. Forearm lengths overlapped considerably between species. Only 18% …
Reproduction By June Sucker In A Refuge Population: Successful Spawning In A Lake Habitat, Eric J. Billman
Reproduction By June Sucker In A Refuge Population: Successful Spawning In A Lake Habitat, Eric J. Billman
Western North American Naturalist
The June sucker (Chasmistes liorus) is an endangered lake sucker endemic to Utah Lake, Utah. As part of recovery actions, June suckers were introduced into Red Butte Reservoir, Utah, as a wild grow-out site. Since their introduction, June suckers have successfully reproduced in Red Butte Reservoir, producing a large population in this refuge. I used passive egg collectors (egg traps and nets) and observational surveys to determine the location of spawning sites within the reservoir, and larval light trapping to determine successful recruitment (i.e., egg survival through larval swim-up) at these sites. Eggs were collected between 18 June …
Effects Of Rotational Grazing On Rodents And Raptors In A Coastal Grassland, Matthew D. Johnson, Christa M. Horn
Effects Of Rotational Grazing On Rodents And Raptors In A Coastal Grassland, Matthew D. Johnson, Christa M. Horn
Western North American Naturalist
We conducted a 4-year experiment to assess the impacts of rotational cattle grazing on rodents and raptors in a mesic coastal grassland in northwestern California. Live-trapping indicated that rodent abundance declined by 69% on the grazed area and increased by 14% on the ungrazed area. Raptor use of the grazed area declined by 15% and increased on the ungrazed area by 63%. Measures of giving-up density indicated that rodents perceived a 25% higher predation risk on grazed area than on ungrazed area, but raptor hunting surveys indicated that risk of depredation from raptors was 2.5 times lower in the grazed …
Unnatural Landscapes: Tracking Invasive Species By Ceiridwen Terrill, Howard O. Clark Jr.
Unnatural Landscapes: Tracking Invasive Species By Ceiridwen Terrill, Howard O. Clark Jr.
Western North American Naturalist
No abstract provided.
Optimal Temperatures For Growth And Upper Thermal Tolerance Of Juvenile Northern Leatherside Chub, Eric J. Billman, Eric J. Wagner, Ronney E. Arndt, Erin Vandyke
Optimal Temperatures For Growth And Upper Thermal Tolerance Of Juvenile Northern Leatherside Chub, Eric J. Billman, Eric J. Wagner, Ronney E. Arndt, Erin Vandyke
Western North American Naturalist
We examined optimal temperatures for growth and the upper thermal tolerance of juvenile northern leatherside chub (Lepidomeda copei). We conducted 2 experiments using the acclimated chronic-exposure method to estimate optimal temperature for growth of age-0 northern leatherside chub (range 12.8–28.3 °C). Upper thermal tolerance was estimated using the critical thermal maximum (CTM) and upper incipient lethal temperature (UILT) methods for fish acclimated at 15, 18, 23, and 28 °C. We also measured stream temperatures in Yellow Creek, Summit County, Utah, during July–August 2006 to compare our results to actual summer stream temperatures. Survival in growth tests was not …
Water Stress And Hybridization Between Quercus Gambelii And Quercus Grisea, Nathan G. Swenson, Jeanne M. Fair, Jeff Heikoop
Water Stress And Hybridization Between Quercus Gambelii And Quercus Grisea, Nathan G. Swenson, Jeanne M. Fair, Jeff Heikoop
Western North American Naturalist
The historical and environmental forces involved in determining the geographic location of plant hybrid zones have long been of interest. Often hybrid zones appear to be intimately tied to the environment, yet because many abiotic factors covary it is often difficult to understand which are truly the most important in maintaining the position and structure of a hybrid zone. This study uses empirical data and modeling analyses to examine whether abiotic factors are responsible for the location and structure of an oak (Quercus) hybrid zone and, if so, which factors are the most important. Specifically, leaf trait measurements …
Diet And Sexual Dimorphism Of The Desert Iguana, Dipsosaurus Dorsalis, From Sonora, Mexico, Christopher J. Dibble, Geoffrey R. Smith, Julio A. Lemos-Espinal
Diet And Sexual Dimorphism Of The Desert Iguana, Dipsosaurus Dorsalis, From Sonora, Mexico, Christopher J. Dibble, Geoffrey R. Smith, Julio A. Lemos-Espinal
Western North American Naturalist
We examined the diet and sexual dimorphism of the desert iguana, Dipsosaurus dorsalis, from Sonora, Mexico. The diet consisted primarily of vegetation, with insect material contributing little to the overall volume of the diet. Plant matter was restricted to leaves and seeds. Animal prey consisted mostly of ants, termites, and beetles. Males and females did not differ significantly in snout–vent length, head length, or head width. These results confirm that in general D. dorsalis is herbivorous and not sexually dimorphic through much of its range.
Examinamos la dieta y dimorfismo sexual de la Iguana del Desierto, Dipsosaurus dorsalis, en Sonora, …
Faith And News: A Quantitative Study Of The Relationship Between Religiosity And Tv News Exposure, Raquel Marvez
Faith And News: A Quantitative Study Of The Relationship Between Religiosity And Tv News Exposure, Raquel Marvez
Theses and Dissertations
The purpose of this study is to investigate the relationship between religiosity and broadcast news usage. This study examines the level of religiosity of individuals and its correlation to broadcast news exposure. The correlation between religiosity and perceptions of violence on broadcast news was also measured. Two theories were applied in this study. Uses and Gratifications asserts the active character of the audience to choose what they watch, how often, etc., and Selective Exposure defends the ability of the individual to select media that coincides with personal value systems. These two theories complement each other and provide support in the …
Manager Tools Podcast: A Study Of Podcasting's Effectiveness With Profit Potential, Quincy Frodesen Beal
Manager Tools Podcast: A Study Of Podcasting's Effectiveness With Profit Potential, Quincy Frodesen Beal
Theses and Dissertations
This thesis seeks to understand further the effectiveness and profit potential of podcasting. The study combines the theories of uses and gratifications and subjective theory of value to create a model for podcasting's value. The model is put to the test using the Manager Tools podcast as the subject. Data suggest the three main drivers behind perceived podcast effectiveness are pleasure, habit, and information gathering. Relaxation proved to have a negative influence on perceived effectiveness. The audience's willingness to pay was determined by perceived effectiveness, scarcity, and habit. Though not a generalizable study, the conclusion discusses the findings' implications on …
The Effects Of Excess Corticosterone On Lkb1 And Ampk Signaling In Skeletal Muscle Of Rats, Gary N. Nakken
The Effects Of Excess Corticosterone On Lkb1 And Ampk Signaling In Skeletal Muscle Of Rats, Gary N. Nakken
Theses and Dissertations
Cushing's syndrome and glucocorticoid therapy lead to central obesity, insulin resistance, and symptoms of altered energy regulation similar to those observed in the metabolic syndrome. We hypothesized that excess glucocorticoids alter energy sensing/signaling in skeletal muscle through mediation of the LKB1/AMPK signaling pathway. To test this hypothesis, three 100 mg pellets of corticosterone were implanted subcutaneously in each of nine rats for two weeks. Responses were compared with sham operated controls fed ad libitum or food restricted to produce the body weights similar to the treatment group rats. After the treatment period, animals were anesthetized and the right gastrocnemius-plantaris and …
Work Is Fun: The Phenomenon Of Boys Enjoying Work In A Camp Setting, Zina Lenore Bennion
Work Is Fun: The Phenomenon Of Boys Enjoying Work In A Camp Setting, Zina Lenore Bennion
Theses and Dissertations
The purpose of this study was to examine the perceived outcomes of participation in a summer camp that included physical work and service as a major component. A qualitative data analysis approach was used. A convenience sample of 10 male adolescents and 10 parents were selected. The data was analyzed using open, axial, and selective coding. Data analysis was used to ascertain perceived outcomes from the program from both boys and their parents. Analysis of the data showed the emergence of a core theme of boys learning to work and enjoying work. Enjoying work was the term chosen to represent …
Assessing Water Quality Modeling In Subtropical Regions Based On A Case Study Of The Aguamilpa Reservoir, Oliver Obregon
Assessing Water Quality Modeling In Subtropical Regions Based On A Case Study Of The Aguamilpa Reservoir, Oliver Obregon
Theses and Dissertations
The shortage of water in Mexico has made public and private institutions look at reservoirs as an alternative solution for present and future water supply. However, eighty percent of the existing reservoirs in Mexico are contaminated at some level, many severely. Water quality models are water-management tools used to diagnose water quality problems and the impact of various environmental conditions. They can be effective in assessing various measures of remediation leading to improved water quality. In most of the cases such water quality models have been successfully applied in reservoirs located in temperate climates. However, the use of water quality …
A Quantitative Study Of The Effectiveness Of Positive Behavior Support In Secondary Schools, Rebecca Lynn Raftery
A Quantitative Study Of The Effectiveness Of Positive Behavior Support In Secondary Schools, Rebecca Lynn Raftery
Theses and Dissertations
This study was conducted to evaluate the long-term effectiveness of a second tier intervention on at risk students' behaviors and academic success. The study included 113 middle school and junior high students identified as being at risk for emotional and behavioral disorders using the Systematic Screening for Behavior Disorders (SSBD). The participants were assigned to a control group (no treatment), one, two, or three semesters of the intervention. The intervention integrated components of social skills instruction, self-management techniques, and social and emotional awareness. Students' behaviors and academic success were measured using school data (i.e. GPA, Office Discipline Referrals, attendance, and …
A Reassessment Of James Joyce's Female Characters, Anna Margaretha Gordon
A Reassessment Of James Joyce's Female Characters, Anna Margaretha Gordon
Theses and Dissertations
The female characters in James Joyce's fiction have received considerable critical attention since the publication of his writings and are often denigrated as misogynist portrayals of women. However, a textual and historical analysis of the female characters in A Portrait of the Artist as a Young Man, Dubliners, Ulysses, and Finnegans Wake shows them in a more constructive light. Such an analysis reveals them to be sympathetic portrayals of the situation of Irish women at the turn of the twentieth century. An historical contextualization of the characters is essential in any reading of Joyce, but is particularly important for his …
Film Families: The Portrayal Of The Family In Teen Films From 1980 To 2007, Caroline Clayton Clark
Film Families: The Portrayal Of The Family In Teen Films From 1980 To 2007, Caroline Clayton Clark
Theses and Dissertations
American adolescents watch an average of 3.5 hours of television and movies everyday; many attend more than one movie a month. Adolescents as a group watch more movies than any other group of the population, yet little research has been done on what is shown in teen movies. Adolescence is a time when values, beliefs, and opinions are formed and the media has been found to be a place that adolescents find information that can influence the construction of these identities. While there has been a vast amount of research looking at the family as portrayed on television shows, there …
An Investigation Of The Technological, Pedagogical And Content Knowledge Framework In Successful Chinese Language Classrooms, Su-Ling Hsueh
An Investigation Of The Technological, Pedagogical And Content Knowledge Framework In Successful Chinese Language Classrooms, Su-Ling Hsueh
Theses and Dissertations
This qualitative case study investigates whether technological, pedagogical and content knowledge (TPCK) is balanced and integrated in Chinese language classrooms. Three expert Chinese teachers in technology-enhanced classrooms, as well as their students, were observed and studied. Four and a half months of data were collected in the form of classroom observations, interviews, reflective journals, and document analysis. Four basic findings were derived from the study. First, the TPCK framework reflected an observable instructional process for communication between teachers and students. However, teachers did not knowingly integrate technology, pedagogy and content in technology-enhanced classrooms. Second, content was the focal point during …
Design And Testing Of A Pumpless Microelectromechanical System Nanoinjector, Quentin Theodore Aten
Design And Testing Of A Pumpless Microelectromechanical System Nanoinjector, Quentin Theodore Aten
Theses and Dissertations
A deeper understanding of human development and disease is made possible partly through the study of genetically modified model organisms, such as the common mouse (Mus musculus). By genetically modifying such model organisms, scientists can activate, deactivate, or highlight particular characteristics. A genetically modified animal is generated by adding exogenous (foreign) genetic material to one or more embryonic cells at their earliest stages of development. Frequently, this exogenous genetic material consists of specially engineered DNA, which is introduced into a fertilized egg cell (zygote). When successfully introduced into the zygote, the exogenous DNA will be incorporated into the …
The Effects Of Homography On Computer-Generated High Frequency Word Lists, Athelia Graham
The Effects Of Homography On Computer-Generated High Frequency Word Lists, Athelia Graham
Theses and Dissertations
This study investigated the significance of semantics in computer-generated word frequency counts in response to a call for new word lists (Read, 2000; Gardner, 2007). Read claims that no corpus projects to date have produced any "definitive, stand-alone word-frequency lists" (p. 226). Many researchers are wary of the fact that the concept of a word is never clearly defined in most studies that have dealt with word frequency counts. It is clear from the research that one universally acceptable construct for the concept of word does not exist. In fact, many past word frequency counts only examine word forms without …
An Analysis Of Document Retrieval And Clustering Using An Effective Semantic Distance Measure, Nathan Scott Davis
An Analysis Of Document Retrieval And Clustering Using An Effective Semantic Distance Measure, Nathan Scott Davis
Theses and Dissertations
As large amounts of digital information become more and more accessible, the ability to effectively find relevant information is increasingly important. Search engines have historically performed well at finding relevant information by relying primarily on lexical and word based measures. Similarly, standard approaches to organizing and categorizing large amounts of textual information have previously relied on lexical and word based measures to perform grouping or classification tasks. Quite often, however, these processes take place without respect to semantics, or word meanings. This is perhaps due to the fact that the idea of meaningful similarity is naturally qualitative, and thus difficult …
Evolution Of Picornaviruses: Impacts Of Recombination And Selection, Nicole Noel Lewis-Rogers
Evolution Of Picornaviruses: Impacts Of Recombination And Selection, Nicole Noel Lewis-Rogers
Theses and Dissertations
Picornaviruses are responsible for some of the most common and debilitating diseases affecting humans and animals worldwide. The objectives of this dissertation research were (1) estimate phylogenetic relationships among 11 picornavirus genera and within three species: foot-and-mouth disease virus (FMDV: Aphthovirus) which afflicts cloven-hoofed animals and human rhinovirus A and B (HRV: Enterovirus) which cause the common cold; (2) better understand the impact recombination has on genomic organization and evolution; (3) characterize where positive and purifying selection has occurred in proteins and how selection has influenced phenotype. The dissertation includes four studies. The first chapter provides an overview of the …
Hair, Feces And Breath Isotope Fractionation In Alpacas (Llama Pacos), Llamas (Llama Glama) And Guanacos (Llama Guanacoe) From Bolivia And Chile, Lino Constancio Lopez Lopez
Hair, Feces And Breath Isotope Fractionation In Alpacas (Llama Pacos), Llamas (Llama Glama) And Guanacos (Llama Guanacoe) From Bolivia And Chile, Lino Constancio Lopez Lopez
Theses and Dissertations
This study was conducted to determinate carbon and nitrogen isotope fractionation in Bolivian and Chilean alpaca, llama and guanaco, hair, breath, plasma and feces. We also wanted to determine forage selection for these camelids using stable isotope technology. From the data, niche feeding and diet selection habits will determinate based on fecal composition. Bolivian sites were located near the high snow Altiplano Mountains at Tomarapi, Sajama, and at the Technical University Oruro's research center at Condoriri, Bolivia. Chilean samples were collected at INIA's (Instituto Nacional de Investigacion Agropecuaria) Kampenaike Research Station, Punta Arenas, Chile. Bolivian alpacas and llamas were 3 …
Specific Compartmentalization Of Iga Ascs In Mouse Salivary Glands Via Differential Expression Of Chemokines And Chemokine Receptors, Yuet Ching Law
Specific Compartmentalization Of Iga Ascs In Mouse Salivary Glands Via Differential Expression Of Chemokines And Chemokine Receptors, Yuet Ching Law
Theses and Dissertations
The mucosal system, which forms a barrier between internal organ systems and the external environment, is frequently exposed to pathogenic microorganisms. Immunoglobulin A (IgA) antibody secreting cells (ASCs) localize in the lamina propria, and produce IgA antibodies which help protect mucosal tissues. The concept of a common mucosal immune system in which IgA ASCs have the ability to populate any mucosal site has been proposed (1, 2). However, recent research has suggested that IgA ASCs primed in different mucosal sites might possess different sets of chemokine receptors, and therefore migrate specifically to particular mucosal locations (3). In this study, the …
Blurring The Lines: The Intermingling Of Garden And Theater In Seventeenth Century France, Abbie Elizabeth Rufener
Blurring The Lines: The Intermingling Of Garden And Theater In Seventeenth Century France, Abbie Elizabeth Rufener
Theses and Dissertations
Seventeenth century French society was a time in which the arts flourished and were used to create an eminence of power and absolutism. The gardens of Vaux-le-Vicomte were commissioned by Nicolas Fouquet and designed by André Le Nôtre. The gardens created a political and social space through the characteristics of design and standards of order which together conveyed power and absolutism. Louis XIV, newly crowned king, recognized at Vaux the perfect vehicle for the portrayal of power. French theater at the same time was gaining popularity and establishing itself as a great art form. Similar to the gardens at Vaux …
Semantic Role Agency In Perceptions Of The Lexical Items Sick And Evil, Nathan G. Simmons
Semantic Role Agency In Perceptions Of The Lexical Items Sick And Evil, Nathan G. Simmons
Theses and Dissertations
Inspired by an ongoing debate in the clinical sciences concerning the value of evil as a label for human behavior (Mowrer 1960, Staub 1999, Wellman 2000, Williams 2004 etc.), this thesis examines the semantic role of AGENT in the lexical items sick and evil. Williams makes the argument that the label evil removes responsibility from the doctor, whereas, the label sick empowers the doctor in bringing about a cure. While this view is not universally accepted in the field, it does bring to light an interesting question in applied linguistic semantics as to the assignment of agency with respect to …
The Church Of Jesus Christ Of Latter-Day Saints Enters Albania, 1992-1999, Nathan D. Pali
The Church Of Jesus Christ Of Latter-Day Saints Enters Albania, 1992-1999, Nathan D. Pali
Theses and Dissertations
The Church of Jesus Christ of Latter-day Saints entered Albania in 1992. Albania was a unique and difficult place to establish the LDS Church. Under the communist dictatorship of Enver Hoxha religion was systematically eliminated from Albania and replaced with atheism. Additionally, missionaries were twice evacuated in the first decade in the country and the Book of Mormon was not available in Albanian until 1999. Despite these setbacks the LDS Church grew at a steady rate in Albania due to native Albanian interest and individual attention by missionaries.
Median Crossover Crashes In The Vicinity Of Interchanges On Utah Interstates, Katherine Elaine Winters
Median Crossover Crashes In The Vicinity Of Interchanges On Utah Interstates, Katherine Elaine Winters
Theses and Dissertations
While not accounting for a significant proportion of overall crashes, median crossover crashes in the state of Utah do account for a significant proportion of interstate fatalities. Due to the seriousness of median crossover crashes in the state of Utah, the need exists to evaluate the impact of median crossover crashes in the state, to identify locations where median crossover crashes may be occurring at particularly high rates, and to identify methods to help mitigate these crashes. Previous research has noted that median crossover crash rates appear to increase in the vicinity of interchanges. The purpose of this research, therefore, …
Comprehension And Retention: The Effect Of Concrete Details And Causal Structure In Scientific Narrative, Wendi Michelle Wilcken
Comprehension And Retention: The Effect Of Concrete Details And Causal Structure In Scientific Narrative, Wendi Michelle Wilcken
Theses and Dissertations
The purpose of this study was to examine two of the salient elements of instructional narratives as a guide to instructional practice. The literature summarized in this report discusses the theoretical basis for narrative impact on comprehension and retention, enumerates and defines possible salient narrative elements from the literature, and examines the instructional impact of two of these elements: concrete details and causal structure. This is intended to help provide guidance to instructional designers and teachers who desire to use narrative in science instruction. Participants included 94 high school physics students. An experimental research design of 2 (Gender) x 2 …
Timing Of Supplementation Of Selenium And Isoflavones Determines Prostate Cancer Risk Factor Reduction In Rats, Merrill J. Christensen, Jessica R. Tolman, Edwin D. Lephart, Dennis L. Eggett, Kenneth Setchell
Timing Of Supplementation Of Selenium And Isoflavones Determines Prostate Cancer Risk Factor Reduction In Rats, Merrill J. Christensen, Jessica R. Tolman, Edwin D. Lephart, Dennis L. Eggett, Kenneth Setchell
Faculty Publications
High dietary intake of selenium or isoflavones reduces risk factors for prostate cancer. We tested whether combined supplementation of these two dietary components would reduce prostate cancer risk factors in rats more than supplementation of each component individually. Methods Male Noble rat pups were exposed from conception to diets containing an adequate (0.33-0.45 mg/kg diet) or high (3.33-3.45 mg/kg) concentration of selenium as Se-methylselenocysteine and a low (10 mg/kg) or high (600 mg/kg) level of isoflavones in a 2 x 2 factorial design. Pups consumed their respective diets until sacrifice at 35, 100, or 200 days. Male Noble rat breeders, …