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Articles 13861 - 13890 of 22981

Full-Text Articles in Social and Behavioral Sciences

Behavioral Responses Of Willow Flycatchers, Empidonax Traillii, To A Heterogeneous Environment, Amanda V. Bakian May 2011

Behavioral Responses Of Willow Flycatchers, Empidonax Traillii, To A Heterogeneous Environment, Amanda V. Bakian

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Spatial heterogeneity impacts population and community-level dynamics including species-level dispersal patterns, the use and availability of refugia, predator/prey dynamics, and reproductive fitness. Understanding how wild animal populations respond to environmental heterogeneity is essential for their proper management and conservation. In this study, I examine the responses of Willow Flycatchers to spatial heterogeneity in the distribution of their food and habitat resources. Over the course of three breeding seasons, I radio- tracked Willow Flycatchers at Fish Creek in Manti-La Sal National Forest in Utah, recorded detailed behavior data at each radio location, and collected fecal, feather and insect samples. I formulated …


The Importance Of Undecideds In The Evolution Vs. Creationism Debate, Seth Steinman May 2011

The Importance Of Undecideds In The Evolution Vs. Creationism Debate, Seth Steinman

Senior Honors Projects

As a scientific theory, evolution has as much empirical support for its core assertions as the heliocentric universe theory or the belief that the Earth is round.  Despite a unanimous consensus in the scientific community about evolution’s validity, the General Social Survey (GSS) consistently reports that 85 percent of Americans are either undecided or do not believe in evolution.

This divide between evolutionists, led by scientists, and creationists, led by religious leaders, has enormous scientific and political implications, which include funding for basic scientific research, acting to stop global warming, and what schools should be teaching our children.

The most …


Designing A School Garden Space That Emphasizes Children's Wants And Uses Permaculture Design Methods, Mikhaela Mullins May 2011

Designing A School Garden Space That Emphasizes Children's Wants And Uses Permaculture Design Methods, Mikhaela Mullins

Department of Environmental Studies: Undergraduate Student Theses

A case study was organized at Saratoga Elementary school in Lincoln, Nebraska to obtain data on what children desire in a garden space. To collect this data a school garden space was constructed and an after school garden club was implemented. Students who participated in the after school garden club partook in the study by drawing their ideal garden. Elements that the subjects drew were identified and categorized into ‘highly desired’ and ‘somewhat desired’.

These elements were then incorporated into a proposed garden design plan for Saratoga. The proposal plan uses Permaculture design methods to emphasize sustainability.


The Transition From 3-D To 2-D Visual Stimuli And Its Effect On Paired-Associate Learning, Amanda Beers Apr 2011

The Transition From 3-D To 2-D Visual Stimuli And Its Effect On Paired-Associate Learning, Amanda Beers

Mahurin Honors College Capstone Experience/Thesis Projects

A single experiment investigated the influence of varying dimensions of visual stimuli on the ability of academically gifted adolescents to recall paired-associations. Fifty-two participants were randomly assigned to one of four groups. Each group was asked to memorize the same set of 15 paired-word associations. The first group was presented with words only. The second group was presented with words and 2- dimensional (2-D) representations of each word. The third group was presented with words along with 3-dimensional (3-D) representations of the words. The fourth group was also presented words along with 3-D objects; however, this group was instructed to …


2011 - The Sixteenth Annual Symposium Of Student Scholars Apr 2011

2011 - The Sixteenth Annual Symposium Of Student Scholars

Symposium of Student Scholars Program Books

The full program book from the Sixteenth Annual Symposium of Student Scholars, held on April 26, 2011. Includes abstracts from the presentations and posters.


Debrazza’S Monkeys (Cercopithecus Neglectus) In A Mixed-Taxa Zoo Exhibit: Effects On The Behavior Of A Breeding Group Of Debrazza’S Monkeys After The Birth Of An Infant, Rachel Diamond Apr 2011

Debrazza’S Monkeys (Cercopithecus Neglectus) In A Mixed-Taxa Zoo Exhibit: Effects On The Behavior Of A Breeding Group Of Debrazza’S Monkeys After The Birth Of An Infant, Rachel Diamond

Psychology Honors Projects

Historically, zoos rarely feature mixed taxa exhibits including multiple primate species; the Minnesota Zoo opened such a unique four-species exhibit featuring Rock hyraxes, Red River hogs, Colobus monkeys, and DeBrazza’s monkeys in May, 2010. Because of potential problems associated with territoriality and aggression, primates in mixed-taxa exhibits are generally non-breeding. However, the DeBrazza’s monkeys at the MN Zoo are a breeding pair with a juvenile offspring. The intent of this study was to design an ethogram with the purpose of calculating the effects of a mixed taxa exhibit on the behavior of this breeding group, and to compare their behavior …


An Exploration Of Pharmacognosy And Its Potential In The Multi-Faceted Solution Required To Address Hiv/Aids In Sub-Saharan Africa, Alexandra Sassi Apr 2011

An Exploration Of Pharmacognosy And Its Potential In The Multi-Faceted Solution Required To Address Hiv/Aids In Sub-Saharan Africa, Alexandra Sassi

Pell Scholars and Senior Theses

This work has both both biological and anthropoligcal foci. It addresses research done on the medicinal properties of plants and how this research could make positive contributions to the current social and biological issues surrounding the HIV/AIDS epidemic in sub-Saharan Africa.


Bryant Making Science Its Business, Gina Macris Apr 2011

Bryant Making Science Its Business, Gina Macris

Bryant REDay (Research and Engagement Day)

No abstract provided.


Depicting Simultaneously Similarity, Diversity, Ancestry, And Admixture?, Peter J. Taylor Apr 2011

Depicting Simultaneously Similarity, Diversity, Ancestry, And Admixture?, Peter J. Taylor

Working Papers on Science in a Changing World

Can any depiction of genetic relationships among humans allow simultaneously for similarity, diversity, ancestry, and admixture (i.e., groups that had split mixing again)? I asked this question while puzzling over the messages conveyed by diagrams from the work of Tishkoff and collaborators on genetic variation among humans in and out of Africa. In this talk I present explorations of alternative depictions of human genetic variation keeping my initial question in mind. By the end I will have prepared the ground for an assertion that the very methodology of generating and depicting human ancestry privileges a racialized view of human diversity.


Bryant University Research And Engagement Day Program Apr 2011

Bryant University Research And Engagement Day Program

Bryant REDay (Research and Engagement Day)

No abstract provided.


Fracture In Teeth—A Diagnostic For Inferring Bite Force And Tooth Function, Paul J. Constantino, Brian R. Lawn, James J.-W. Lee, Peter W. Lucas Apr 2011

Fracture In Teeth—A Diagnostic For Inferring Bite Force And Tooth Function, Paul J. Constantino, Brian R. Lawn, James J.-W. Lee, Peter W. Lucas

Biological Sciences Faculty Research

Teeth are brittle and highly susceptible to cracking. We propose that observations of such cracking can be used as a diagnostic tool for predicting bite force and inferring tooth function in living and fossil mammals. Laboratory tests on model tooth structures and extracted human teeth in simulated biting identify the principal fracture modes in enamel. Examination of museum specimens reveals the presence of similar fractures in a wide range of vertebrates, suggesting that cracks extended during ingestion or mastication. The use of ‘fracture mechanics’ from materials engineering provides elegant relations for quantifying critical bite forces in terms of characteristic tooth …


Analysis Of Morris Water Maze Data With Bayesian Statistical Methods, Maxym V. Myroshnychenko, Anton Westveld, Jefferson Kinney Apr 2011

Analysis Of Morris Water Maze Data With Bayesian Statistical Methods, Maxym V. Myroshnychenko, Anton Westveld, Jefferson Kinney

Festival of Communities: UG Symposium (Posters)

Neuroscientists commonly use a Morris Water Maze to assess learning in rodents. In his kind of a maze, the subjects learn to swim toward a platform hidden in opaque water as they orient themselves according to the cues on the walls. This protocol presents a challenge to statistical analysis, because an artificial cut-off must be set for those experimental subjects that do not reach the platform so as they do not drown from exhaustion. This fact leads to the data being right censored. In our experimental data, which compares learning in rodents that have chemically induced symptoms of schizophrenia to …


Event Program, Carl Reiber, Nicholle Booker Apr 2011

Event Program, Carl Reiber, Nicholle Booker

Festival of Communities: UG Symposium (Posters)

UNLV Undergraduates from all departments, programs and colleges participated in a campus-wide symposium on April 16, 2011. Undergraduate posters from all disciplines and also oral presentations of research activities, readings and other creative endeavors were exhibited throughout the festival.


Aging Is Associated With Positive Responding To Neutral Information But Reduced Recovery From Negative Information, Carien M. Van Reekum, Stacey M. Schaefer, Regina C. Lapate, Catherine J. Norris, Lawrence L. Greischar, Richard J. Davidson Apr 2011

Aging Is Associated With Positive Responding To Neutral Information But Reduced Recovery From Negative Information, Carien M. Van Reekum, Stacey M. Schaefer, Regina C. Lapate, Catherine J. Norris, Lawrence L. Greischar, Richard J. Davidson

Dartmouth Scholarship

Studies on aging and emotion suggest an increase in reported positive affect, a processing bias of positive over negative information, as well as increasingly adaptive regulation in response to negative events with advancing age. These findings imply that older individuals evaluate information differently, resulting in lowered reactivity to, and/or faster recovery from, negative information, while maintaining more positive responding to positive information. We examined this hypothesis in an ongoing study on Midlife in the US (MIDUS II) where emotional reactivity and recovery were assessed in a large number of respondents (N = 159) from a wide age range (36–84 …


Complete 2011 Program, John Wesley Powell Conference Apr 2011

Complete 2011 Program, John Wesley Powell Conference

John Wesley Powell Student Research Conference

No abstract provided.


Wright State University Celebration Of Research, Scholarship And Creative Activities Book Of Abstracts Friday, April 8, 2011, Wright State University Office Of Undergraduate Research And Stemm Activities Apr 2011

Wright State University Celebration Of Research, Scholarship And Creative Activities Book Of Abstracts Friday, April 8, 2011, Wright State University Office Of Undergraduate Research And Stemm Activities

Celebration of Undergraduate & Graduate Research, Scholarship, and Creative Activities Materials

The student abstract booklet is a compilation of abstracts from students' oral and poster presentations at Wright State University's second annual Celebration of Research, Scholarship and Creative Activities on April 8, 2011.


It Takes A Village To Raise A Healthy Child: Collaborative Strategies For Nourishment Of American Youth, Ashley Watkins, Tameika Sanchez Apr 2011

It Takes A Village To Raise A Healthy Child: Collaborative Strategies For Nourishment Of American Youth, Ashley Watkins, Tameika Sanchez

Undergraduate Research Conference

No abstract provided.


Assortative Mating In Fallow Deer Reduces The Strength Of Sexual Selection, Mary E. Farrell, Elodie Briefer, Alan G. Mcelligott Apr 2011

Assortative Mating In Fallow Deer Reduces The Strength Of Sexual Selection, Mary E. Farrell, Elodie Briefer, Alan G. Mcelligott

Veterinary Science and Medicine Collection

Background: Assortative mating can help explain how genetic variation for male quality is maintained even in highly polygynous species. Here, we present a longitudinal study examining how female and male ages, as well as male social dominance, affect assortative mating in fallow deer (Dama dama) over 10 years. Assortative mating could help explain the substantial proportion of females that do not mate with prime-aged, high ranking males, despite very high mating skew. We investigated the temporal pattern of female and male matings, and the relationship between female age and the age and dominance of their mates.

Results: The peak of …


Molecular Correlates Of Social Dominance: A Novel Role For Ependymin In Aggression, Lynne U. Sneddon, Rupert Schmidt, Yongxiang Fang, Andrew R. Cossins Apr 2011

Molecular Correlates Of Social Dominance: A Novel Role For Ependymin In Aggression, Lynne U. Sneddon, Rupert Schmidt, Yongxiang Fang, Andrew R. Cossins

Ethology Collection

Theoretical and empirical studies have sought to explain the formation and maintenance of social relationships within groups. The resulting dominance hierarchies have significant fitness and survival consequences dependent upon social status. We hypothesised that each position or rank within a group has a distinctive brain gene expression profile that correlates with behavioural phenotype. Furthermore, transitions in rank position should determine which genes shift in expression concurrent with the new dominance status. We used a custom cDNA microarray to profile brain transcript expression in a model species, the rainbow trout, which forms tractable linear hierarchies. Dominant, subdominant and submissive individuals had …


The Role Of Sorghum In Food Security In Central America, Lloyd W. Rooney Apr 2011

The Role Of Sorghum In Food Security In Central America, Lloyd W. Rooney

INTSORMIL Presentations

Discusses the qualities of sorghum that make it suitable for human consumption, with a focus on its use in Central America.


Nomadic Knowledge Of The Yak: A Case Study In The Khangai Mountains, Mongolia, Jesse Geary Apr 2011

Nomadic Knowledge Of The Yak: A Case Study In The Khangai Mountains, Mongolia, Jesse Geary

Independent Study Project (ISP) Collection

It is extremely important to probe and preserve the knowledge of nomadic herders of Mongolia. There is no formal piece of literature that dictates how these clever humans survive. Their lifestyle requires a vast skill set spanning from construction knowledge, to navigational skills, to a deep understanding of their animals. One attains this knowledge through years of observation, listening, and attempting to mimic their parents. In this way, knowledge is passed on from one generation to the next. Investigating herder’s knowledge of the yak provides a window into the animal husbandry practices of Mongolian nomads. The herders in the central …


Saŋɔ Baara Cogo N´A Feere Cogo Gafe: Mogo Minuwye Gafe Dilan Oye = Fiche De Production Et De Commercialisation Du Mil = Production And Marketing Of Millet, Botorou Ouendeba, Niaba Teme Apr 2011

Saŋɔ Baara Cogo N´A Feere Cogo Gafe: Mogo Minuwye Gafe Dilan Oye = Fiche De Production Et De Commercialisation Du Mil = Production And Marketing Of Millet, Botorou Ouendeba, Niaba Teme

USAID Mali Mission Awards

U.S. government publication about millet production and sales in West Africa. In the Bambara language.


Preparing Tomorrow’S Fire Professionals: Integration Of Education, Training, And Experience Through Science-Management Partnerships, Gail Wells Apr 2011

Preparing Tomorrow’S Fire Professionals: Integration Of Education, Training, And Experience Through Science-Management Partnerships, Gail Wells

Joint Fire Science Program Digests

In this issue of Fire Science Digest, we explore the career and preparation challenges faced by forest and rangeland fire professionals, both new and seasoned. As the job description grows more complex, a well-rounded background in current and emerging areas of fi re science and fi re management becomes critical. Today’s top professionals are approaching retirement, and tomorrow’s fi re professionals need to be adequately prepared to succeed them.


Sorting On Cuda, Ayushi Sinha Apr 2011

Sorting On Cuda, Ayushi Sinha

Annual Celebration of Student Scholarship and Creativity

The traditional sorting technique, sequential sorting, is inefficient with increasing amounts of data that can be stored on computers. Researchers looking for faster sorting techniques have turned to parallel computing to address the limitations of sequential sorting. This project involves the implementation of three parallel sorting algorithms on CUDA, a parallel computing architecture which implements algorithms on Graphics Processing Units (GPUs).


The Lli Chronicle Volume 2 Number 3, Nova Southeastern University Apr 2011

The Lli Chronicle Volume 2 Number 3, Nova Southeastern University

Lifelong Learning Institute Newsletters

No abstract provided.


Let's Move! From Dc To Pc: Policy And Programming In Providence Charter Schools Around Student's Awareness Towards Living Healthy, Carmine Perrotti Apr 2011

Let's Move! From Dc To Pc: Policy And Programming In Providence Charter Schools Around Student's Awareness Towards Living Healthy, Carmine Perrotti

Annual Celebration of Student Scholarship and Creativity

A thesis developed out of an intership for the Office of the First Lady's "Let's Move Initiative". Following said internship, the author conducted original research on the local level - namely, Providence charter schools - to design, implement, and assess a series of educational “interventions”. These interventions were created to provide information to students and their parents about the benefits of healthy eating and exercise. Over 500 elementary-level students were surveyed for the research. See document abstract for more information.


Santa Clara Magazine, Volume 52 Number 4, Winter 2011, Santa Clara University Apr 2011

Santa Clara Magazine, Volume 52 Number 4, Winter 2011, Santa Clara University

Santa Clara Magazine

16 - LIFE CYCLE A Photo Essay By Susan Middleton '70. Luminous beauty drawn from two remarkable projects-Evidence of Evolution and Spineless. And a sneak peek at a show by this Guggenheim fellow opening in April at SCU's de Saisset Museum.

20 - CAN NEWSPAPERS & JOURNALISM SURVIVE THE DIGITAL AGE? DOES IT MATTER? By Jeff Brazil '85. A Pulitzer Prize-winning journalist goes looking for answers, talking to industry veterans, and taking stock of the new forms of journalism arising.

30 - REVEALED! THE TRUTH BEHIND NO NAME! By Sam Scott '96. On today's Rock Report: the story (and real …


Critical Evaluation Of The Use Of Dogs In Biomedical Research And Testing In Europe, Nina Hasiwa, Jarrod Bailey, Peter Clausing, Mardas Daneshian, Sándor Farkas, István Gyertyán, Robert Hubrecht, Werner Kobel, Goran Krummenacher, Marcel Leist, Hannes Lohi, Adám Miklósi, Frauke Ohl, Klaus Olejniczak, Georg Schmitt, Patrick Sinnett-Smith, David Smith, Kristina Wagner, James D. Yager, Joanne Zurlo, Thomas Hartung Apr 2011

Critical Evaluation Of The Use Of Dogs In Biomedical Research And Testing In Europe, Nina Hasiwa, Jarrod Bailey, Peter Clausing, Mardas Daneshian, Sándor Farkas, István Gyertyán, Robert Hubrecht, Werner Kobel, Goran Krummenacher, Marcel Leist, Hannes Lohi, Adám Miklósi, Frauke Ohl, Klaus Olejniczak, Georg Schmitt, Patrick Sinnett-Smith, David Smith, Kristina Wagner, James D. Yager, Joanne Zurlo, Thomas Hartung

Companion Animals as Laboratory Research Subjects Collection

Dogs are sometimes referred to as “man’s best friend” and with the increase in urbanization and lifestyle changes, dogs are seen by their owners as family members. Society expresses specific concerns about the experimental use of dogs, as they are sometimes perceived to have a special status for humans. This may appear somewhat conflicting with the idea that the intrinsic value of all animals is the same, and that also several other animal species are used in biomedical research and toxicology. This aspect and many others are discussed in an introductory chapter dealing with ethical considerations on the use of …


Topscholar®, Creating Opportunities [Brochure], Connie Foster, Jennifer Wilson Apr 2011

Topscholar®, Creating Opportunities [Brochure], Connie Foster, Jennifer Wilson

TopSCHOLAR® Presentations and Reports

No abstract provided.


After The Fire Is Out, Elise Lequire Apr 2011

After The Fire Is Out, Elise Lequire

Joint Fire Science Program Digests

Even before firefighters have left a burn site, a second wave of specialists is deployed. Their task: to assess the burn site; determine the level of risk to life, property, and ecological resources; and determine quickly the most effective postfire treatments for emergency stabilization and initial rehabilitation of the site. For the past 13 years, the Joint Fire Science Program (JFSP) has funded research on this critical phase of work, which often goes unnoticed after the fire is out. With support from the JFSP, scientists have made great strides in improving the tools available to assess postfire risks and evaluate …