Social and Behavioral Sciences Commons^™

The Ucla Libraries Affordable Course Materials Initiative: Expanding Access, Use, And Affordability Of Course Materials, Sharon E. Farb, Todd Grappone

Against the Grain

No abstract provided.

Functional Approach To Simulating Short Rotation Woody Crops In Process Based Models, Tian Guo, Bernard Engel

Purdue GIS Day

Short rotation woody crops (SRWC) such as hybrid poplar have great potential as a biofuel feedstock. Biomass yields and yield stability at potential sites are important considerations when such SRWC is widely planted. To simulate poplar growth accurately, the functional components and parameters of hybrid poplar Tristis #1 (Populus balsamifera L. × P.tristis Fisch) were determined, and related algorithms improved in ALMANAC and SWAT based on improved simulation of leaf area and plant biomass as well as biomass partitioning. The improved tree growth simulation was applied to hybrid poplar plots in Wisconsin, and the modeled biomass yield, and LAI were …

Gis Professional Certification 2.0: Putting Gis To The Test, Nancy Obermeyer

Purdue GIS Day

No abstract provided.

Gis Day 2014 Additional Resources, Larry Theller

Purdue GIS Day

No abstract provided.

China's Nine-Dashed Map: Maritime Source Of Geopolitical Tension, Bert Chapman

Libraries Faculty and Staff Scholarship and Research

The South China Sea (SCS) is becoming an increasingly contentious source of geopolitical tension due to its significance as an international trade route, possessor of potentially significant oil and natural gas resources, China’s increasing diplomatic and military assertiveness, and the U.S.’ recent and ongoing Pacific Pivot strategy. Countries as varied as China, Taiwan, the Philippines, Indonesia and other adjacent countries have claims on this region’s islands and natural resources. China has been particularly assertive in asserting its SCS claims by creating a nine-dash line map claiming to give it de facto maritime control over this entire region without regard to …

High And Low Computer Self-Efficacy Groups And Their Learning Behavior From Self-Regulated Learning Perspective While Engaged In Interactive Learning Modules, Harry B. Santoso, Oenardi Lawanto, Kurt Becker, Ning Fang, Edward M. Reeve

Journal of Pre-College Engineering Education Research (J-PEER)

The purpose of this research was to investigate high school students’ computer self-efficacy (CSE) and learning behavior in a selfregulated learning (SRL) framework while utilizing an interactive learning module. The researcher hypothesizes that CSE is reflected on cognitive actions and metacognitive strategies while the students are engaged with interactive learning modules. Two research questions guided this research: (1) how is students’ CSE while engaged in interactive learning modules? and (2) how do high and low CSE groups plan and monitor their cognitive action, and regulate their monitoring strategies based on their CSE level? The research used a mixedmethods approach to …

Usability Metrics Of Web-Based Mapping Applications, Tao Zhang, Nicole Kong, Ilana Stonebraker

Libraries Faculty and Staff Presentations

In academic libraries, the rise of web-based mapping applications or web geographic information systems (web GIS) brings great opportunities for information seeking. Users can search spatial information, create customized maps, as well as perform simple spatial analysis with these tools.

In this presentation, we report results from an empirical usability evaluation of major web-based mapping applications, including ESRI Business Analyst Online, PolicyMap, SimplyMap, and Social Explorer. Eighteen university students participated in the evaluation in which they completed tasks of creating a customized map about business-related information (e.g., unemployment rate of an area), changing map display options (map unit, data range, …

Vukovar, Siege Of, 1991, Bert Chapman

Libraries Faculty and Staff Scholarship and Research

Provides an over view of fhe siege of the Croatian city Vukovar bu the Serbian Military during the Serbo-Croatian war between May-November 1991.

Nato In The Balkans, Bert Chapman

Libraries Faculty and Staff Scholarship and Research

This encyclopedia entry examines the contemporary and recent historic role of the North Atlantic Treaty Organization (NATO) in Balkan countries. It also discusses and emerging security concerns affecting these countries.

Yugoslav-Soviet Split, Bert Chapman

Libraries Faculty and Staff Scholarship and Research

Describes the political and military split between the Communist countries of Yugoslavia and the Soviet Union in the years after World War II until Yugoslavia's disintegration in the early 1990s.

The C-Span Archives: An Interdisciplinary Resource For Discovery, Learning, And Engagement, Robert X. Browning

The Year in C-SPAN Archives Research

The C-SPAN Archives records, indexes, and preserves all C-SPAN programming for historical, educational, and research uses. Every C-SPAN program aired since 1987, from all House and Senate sessions in the US Congress, to hearings, presidential speeches, conventions, and campaign events, totaling over 200,000 hours, is contained in the video library and is immediately and freely accessible through the database and electronic archival systems developed and maintained by staff.

Whereas C-SPAN is best known as a resource for political processes and policy information, the Archives also offers rich educational research and teaching opportunities. This book provides guidance and inspiration to scholars …

Spanning Boundaries To Identify Archival Literacy Competencies, Sharon A. Weiner, Sammie L. Morris, Lawrence J. Mykytiuk

Libraries Faculty and Staff Presentations

This paper is a report of a collaborative research project that identified the competencies undergraduate history majors should have related to finding and using archival materials. The boundary-spanning collaboration involved archivists, librarians, and history faculty.

Historians have long relied upon archives as essential source material, and recent studies confirmed the continued significance of archives to research in this field. However, there is no detailed listing of the archival research competencies that college history students should attain. Without a clearly defined list upon which history faculty, archivists, and library liaisons to history departments agree, teaching about archives research is difficult and …

A Crowdsourced Library Help System, Tao Zhang, Ilana Stonebraker

Libraries Reports

Help information regarding library resources and tools is a critical part of library services, but existing help channels are often fragmented and under-maintained. Library help needs to have a centralized and engaging platform for users to receive assistance and experts including librarians, faculty, and students to share knowledge and experience. To meet this critical need, we have developed CrowdAsk, an open-source help system for academic libraries based on the concept of crowdsourcing. CrowdAsk supports voting of questions and answers by users as well as scores and badges for user motivation. Our implementation and evaluation with undergraduate classes at Purdue University …

Heavy Vehicle Rollover Propensity At Roundabouts On Highspeed Roads, Thomas M. Hall

Open Access Theses

There is a recent trend of building roundabouts on high-speed roads, often with significant heavy vehicle traffic. With the increased presence of trucks on roundabouts, the issue of rollover has become a concern. Geometric features that allow excessive speed on the approach and entry have been connected to rollover, as well as sudden changes in crossfall and radius. However, the effect on the rollover threshold of changing the roundabout's circulatory superelevation is not fully understood. The impact of aggressive driving behaviors, as displayed by high driver speed far from the roundabout, as well as errors that are manifested by the …

Capacity-Related Driver Behavior On Modern Roundabouts Built On High-Speed Roads, Shaikh Ahmad

Open Access Theses

The objective of this thesis was to investigate the factors that affect capacity-related driver behavior on modern roundabouts built on high-speed roads. The capacity of roundabouts is strongly affected by the behavior of drivers as represented by critical headway (critical gap) and follow-up headway (follow-up time). The effects of heavy vehicles (single-unit truck, bus, and semi-trailer) and area type (rural or urban) on roundabout capacity were investigated by comparing the critical headways for roundabouts located on high-speed and low-speed roads. The effects of nighttime conditions (in the presence of street lighting) were also considered. Data were collected using the Purdue …

Differences In Cultural Perception In Websites, Andrew Allen

Open Access Theses

The goal of this research was to determine what elements of websites are tied to the value of individualism and collectivism when viewed by two different national cultures. The research determined whether two participant groups (United States or Chinese) looked at the same or different website elements when experiencing the website. The Website Experience Analysis protocol was used to create a questionnaire that the students filled out as they experienced the website, allowing the researcher to determine what elements of the website they were experiencing when focusing on a particular cultural or organization-public relation value. This research found that culture …

Effects Of Biomass Harvest On Eastern Red-Backed Salamanders, Patrick J. Ruhl

Open Access Theses

In a typical forest harvest, the volume of coarse woody debris (CWD) increases from nonmerchantable material (i.e., tree-tops, limbs, and small-diameter trees) left on the forest floor. Biomass harvesting removes much of this material for bioenergy production. When removed, ecosystem services associated with CWD, such as seedbed substrate, nutrient cycling, and essential wildlife habitat, is reduced. Woodland salamanders have strict microhabitat and soil moisture requirements that make them especially sensitive to timber harvest practices, particularly those that remove CWD, a primary habitat for the group.

I monitored the abundance of Eastern red-backed salamanders ( Plethodon cinereus ) in response to …

Makers: Technical Communication In Post-Industrial Participatory Communities, John Timothy Sherrill

Open Access Theses

In the past few decades, web technologies and increasingly accessible digital fabrication technologies such as 3D printers and laser cutters have made it easier for individuals and communities to create complex material objects at home. As a result, communities of individuals who make things outside formal institutions, known as maker communities, have combined traditional crafts and technical knowledge with digital tools and web technologies in new ways. This thesis analyzes maker communities as post-industrial participatory design communities and examines them as participatory spaces where technical communication occurs between individuals with varying levels of expertise and sometimes drastically different knowledges. Ultimately, …

Optimization Of Switch Virtual Keyboard By Using Computational Modelling, Xiao Zhang

Open Access Theses

In this thesis, I first reviewed some keyboard technologies used by people with motor difficulties, and described design elements that influence efficiency. I cast the design of a switch keyboard as an optimization problem, and arrangement of keys on such a keyboard as a Mixed Integer Programming problem. One significant variable in the MIP problem, the error rate, is related to several other variables. I treated modeling of the error rate as a parameter estimation problem, and used a data mining method. I designed HCI experiments to gather data for parameter estimation, using Bayesian logistic regression model. The empirical data …

Chinese Undergraduate Students’ Preference For Chinese Tas And American Tas In The U.S. Context, Ruochen Li

Open Access Theses

This study researches and compares Chinese undergraduate students' (N=70) perceptions of and preferences for American TAs and Chinese TAs, and identifies factors that play significant roles in influencing Chinese students' perceptions and preferences. Multiple independent variables were measured, including age; gender; years at Purdue; years in the U.S.; GPA; overall TOEFL score; experiences with Chinese TAs; effectiveness of Chinese TAs; effectiveness of American TAs; English ability of Chinese TAs; and native speaker preference, ethnic identity, and level of acculturation, among which ethnic identity and level of acculturation are the major variables the current study aims to examine. Preference for Chinese …

The Role Of Adiponectin And The Adipocyte In Energy Metabolism And Inflammation, Sheila Kay Jacobi

Open Access Dissertations

A series of experiments were conducted to characterize the autocrine role of adiponectin in modulating fatty acid metabolism and inflammation in the pig. In the first study, we cloned and sequenced the porcine adiponectin open reading frame and evaluated the regulation of adiponectin, in vitro and in vivo. The porcine sequence shares approximately 88, 86, 85 and 83% homology with the dog, human, cow and mouse adiponectin, respectively, and 79–83% similarity with dog, human, cow and mouse proteins at the amino acid level, based on the translated porcine sequence and GenBank submissions for the other species. Analysis of serum from …

Customer Envy At Service Encounters, Gerardo Anaya

Open Access Theses

Envy has been regarded as a complex emotion which can produce both positive and negative outcomes for consumers. This study explored the subjective experience of customer envy at service encounters in order to better understand how customers respond to unflattering comparisons with an envied customer. A questionnaire was designed to measure the cognitive appraisals, emotional responses, and consequences of customer envy. Study participants were also asked to share their envy incidents in the survey. A sample of 300 participants was collected and used for analysis. The findings illustrate that distinctively different patterns of cognitive appraisals such as preferential treatment, are …

Implementing The Caspie Coursebased Research Experience At The United States Military Academy: Affective Responses And Effects On Critical Thinking, Anthony Michael Chase

Open Access Theses

The Center for Authentic Science Practices in Education (CASPiE) pioneered a course-based research experience approach to teaching chemistry laboratory courses. The method had previously been studied in a variety of institutional settings. Recently, the United States Military Academy at West Point decided to develop CASPiE-style modules for the introductory honors chemistry course. This research setting presents clean experimental-control comparisons and a group of faculty who were completely new to the method. Equipping students with authentic research experiences early in their education is important regardless of the institution. However, cadets at a military academy must make decisions relatively early (the outset …

A Dynamic Stochastic Model For Converging Inbound Air Traffic, Jun Chen

Open Access Theses

Weather accounts for the majority of congestion in the National Airspace System which highlights the importance of addressing weather uncertainty to mitigate delays, and this paper presents an effort in this direction. Firstly, a new dynamic stochastic 0-1 Integer Programming (IP) model is proposed, which models the Single Airport Ground Holding Problem (SAGHP) with respect to uncertainty in the separation between flights instead of Airport Acceptance Rate (AAR) or landing capacity. Uncertainty in separation according to different weather conditions is represented through the scenario tree by using stochastic linear programming. Considering time separation constraints instead of AAR constraints, our model …

Application Of Bayesian Networks In Consumer Service Industry, Yuan Gao

Open Access Theses

Gao, Yuan. M.S.I.E., Purdue University. December 2014. Application of Bayesian Networks in Consumer Service Industry. Major professor: Vincent G. Duffy The purpose of the present study is to explore the application of Bayesian networks in the consumer service industry to model causal relationships within complex risk factor structures using aggregate data. An analysis of the Hawaii tourism market was conducted to find out how visitor characteristics affect their behavior and experience as consumers during the trips, and influence the tourism market outcomes represented by measurable factors. Two hypotheses were proposed regarding the use of aggregate data and the influence of …

Disrupting Infrastructure: Social Media And Accessing Digital Publics, Carolyn K. Grant

Open Access Theses

This thesis investigates infrastructural barriers to effecting change through social media participation. Though social media is said to hold "democratic potential" by enabling open access to the digital public sphere, in reality it is often still the most privileged voices that get heard. Even in success cases of the power of social media like the Arab Spring, situational contexts lead to particular infrastructural access points that are not universally transferable, and still tend to favor mainstream perspectives. Barriers to amplifying marginalized voices include inadequate systems for digital memory and sharing algorithms that promote the visibility of the already visible. These …

The Impact Of An Omega-3 Enriched Diet On Hyperactivity And Biochemistry In An Animal Model For Attention-Deficit/Hyperactivity Disorder, Nadine M. Hammoud

Open Access Theses

Attention-deficit/hyperactivity disorder (ADHD) is the most diagnosed behavioral disorder in children. It affects around 5% of children worldwide and 11% of children in the United States, with rates increasing. Pharmaceutical treatments, such as amphetamines and methylphenidates, are not effective for everyone and are known to have unwanted side effects. While the etiology of the disorder is not yet fully understood, there are clear genetic and environmental components. Nutritional insufficiencies have recently become a popular environmental risk factor under investigation. Essential fatty acids (EFA), omega-3 polyunsaturated fatty acids (PUFA) in particular, are needed for proper brain development and function. Our lab …

Postural Sway In Infants At Low And High Risk For Autism Spectrum Disorder, Rachel C. Harris

Open Access Theses

ABSTRACT Harris, Rachel C. M. S., Purdue University, December 2014. Postural Control in Infants at Low and High Risk for Autism Spectrum Disorder. Major Professor: Laura J. Claxton. Autism Spectrum Disorder (ASD) is a neurodevelopmental disorder more commonly known for deficits in social and communication skills. More recently, aspects of motor development have been shown to be delayed in children with ASD, including deficits in their postural control abilities. Children with ASD have difficulty integrating information from their sensory systems to help control their balance. Infants at risk for ASD and infants who are later diagnosed with ASD have delays …

Automatic Extraction Of Plots From Geo-Registered Uas Imagery Of Crop Fields With Complex Planting Schemes, Anthony A. Hearst

Open Access Theses

Complex planting schemes are common in experimental crop fields and can make it difficult to extract plots of interest from high-resolution imagery of the fields gathered by Unmanned Aircraft Systems (UAS). This prevents UAS imagery from being applied in High-Throughput Precision Phenotyping and other areas of agricultural research. If the imagery is accurately geo-registered, then it may be possible to extract plots from the imagery based on their map coordinates. To test this approach, a UAS was used to acquire visual imagery of 5 ha of soybean fields containing 6.0 m2 plots in a complex planting scheme. Sixteen artificial targets …

The Effects Of Acquisition On Restaurant Firms’ Performance: Different-Sector Versus Same-Sector Acquisitions, Yongjin Lee

Open Access Theses

This study examines the postacquisition accounting performance of acquiring firms in the restaurant industry between 1992 and 2012. Specifically, this study investigates the effects of different-sector and same-sector restaurants acquisitions between full-service and limited-service restaurants on restaurant firms' performance. Additionally, the Wilcoxon signed-rank test and regression model are used to examine return on assets (ROA) and return on equity (ROE) for the accounting performance of the acquiring restaurants.

The ROA and ROE reveal that the profitability is significantly negative up to 5 years after firms are acquired. However, negative effects are strongest within the first year after acquisition and decrease …