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Description
Computational thinking, the creative thought process behind algorithmic design and programming, is a crucial introductory skill for both computer scientists and the population in general. In this thesis I perform an investigation into introductory computer science education in the United States and find that computational thinking is not effectively taught at either the high school or the college level. To remedy this, I present a new educational system intended to teach computational thinking called Genost. Genost consists of a software tool and a curriculum based on teaching computational thinking through fundamental programming structures and algorithm design. Genost's software design is informed by a review of eight major computer science educational software systems. Genost's curriculum is informed by a review of major literature on computational thinking. In two educational tests of Genost utilizing both college and high school students, Genost was shown to significantly increase computational thinking ability with a large effect size.
ContributorsWalliman, Garret (Author) / Atkinson, Robert (Thesis advisor) / Chen, Yinong (Thesis advisor) / Lee, Yann-Hang (Committee member) / Arizona State University (Publisher)
Created2015
Description
Lots of previous studies have analyzed human tutoring at great depths and have shown expert human tutors to produce effect sizes, which is twice of that produced by an intelligent tutoring system (ITS). However, there has been no consensus on which factor makes them so effective. It is important to know this, so that same phenomena can be replicated in an ITS in order to achieve the same level of proficiency as expert human tutors. Also, to the best of my knowledge no one has looked at student reactions when they are working with a computer based tutor. The answers to both these questions are needed in order to build a highly effective computer-based tutor. My research focuses on the second question. In the first phase of my thesis, I analyzed the behavior of students when they were working with a step-based tutor Andes, using verbal-protocol analysis. The accomplishment of doing this was that I got to know of some ways in which students use a step-based tutor which can pave way for the creation of more effective computer-based tutors. I found from the first phase of the research that students often keep trying to fix errors by guessing repeatedly instead of asking for help by clicking the hint button. This phenomenon is known as hint refusal. Surprisingly, a large portion of the student's foundering was due to hint refusal. The hypothesis tested in the second phase of the research is that hint refusal can be significantly reduced and learning can be significantly increased if Andes uses more unsolicited hints and meta hints. An unsolicited hint is a hint that is given without the student asking for one. A meta-hint is like an unsolicited hint in that it is given without the student asking for it, but it just prompts the student to click on the hint button. Two versions of Andes were compared: the original version and a new version that gave more unsolicited and meta-hints. During a two-hour experiment, there were large, statistically reliable differences in several performance measures suggesting that the new policy was more effective.
ContributorsRanganathan, Rajagopalan (Author) / VanLehn, Kurt (Thesis advisor) / Atkinson, Robert (Committee member) / Burleson, Winslow (Committee member) / Arizona State University (Publisher)
Created2011
Description
The passage of 2007's Legal Arizona Workers Act, which required all new hires to be tested for legal employment status through the federal E-Verify database, drastically changed the employment prospects for undocumented workers in the state. Using data from the 2007-2010 American Community Survey, this paper seeks to identify the impact of this law on the labor force in Arizona, specifically regarding undocumented workers and less educated native workers. Overall, the data shows that the wage bias against undocumented immigrants doubled in the four years studied, and the wages of native workers without a high school degree saw a temporary, positive increase compared to comparable workers in other states. The law did not have an effect on the wages of native workers with a high school degree.
ContributorsSantiago, Maria Christina (Author) / Pereira, Claudiney (Thesis director) / Mendez, Jose (Committee member) / School of International Letters and Cultures (Contributor) / Department of Economics (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
Description
This ethnography outlines the live storytelling culture in Phoenix, Arizona, and what each of its sub-cultures contributes to the city's community. Phoenix's live storytelling events incorporate elements of an ancient art form into contemporary entertainment and sophisticated platforms for community building. These events are described and delineated by stylistic, structural, and content-based differences into the following categories: open-mic, curated, scripted, non-scripted, micro-culture, and marginalized groups. Research presented in this report was collected by reviewing scholarly materials about the social power of storytelling, attending live storytelling events across all categories, and interviewing event organizers and storytellers. My research developed toward an auto-ethnographic direction when I joined the community of storytellers in Phoenix, shifting the thesis to assume a voice of solidarity with the community. This resulted in a research project framed primarily as an ethnography that also includes my initial, personal experiences as a storyteller. The thesis concludes with the art form's macro-influences on Phoenix's rapidly-expanding community.
ContributorsNorton, Maeve (Author) / Dombrowski, Rosemarie (Thesis director) / McAdams, Charity (Committee member) / School of International Letters and Cultures (Contributor) / Department of Information Systems (Contributor) / Barrett, The Honors College (Contributor)
Created2017-12
Description
Lie detection is used prominently in contemporary society for many purposes such as for pre-employment screenings, granting security clearances, and determining if criminals or potential subjects may or may not be lying, but by no means is not limited to that scope. However, lie detection has been criticized for being subjective, unreliable, inaccurate, and susceptible to deliberate manipulation. Furthermore, critics also believe that the administrator of the test also influences the outcome as well. As a result, the polygraph machine, the contemporary device used for lie detection, has come under scrutiny when used as evidence in the courts. The purpose of this study is to use three entirely different tools and concepts to determine whether eye tracking systems, electroencephalogram (EEG), and Facial Expression Emotion Analysis (FACET) are reliable tools for lie detection. This study found that certain constructs such as where the left eye is looking at in regard to its usual position and engagement levels in eye tracking and EEG respectively could distinguish between truths and lies. However, the FACET proved the most reliable tool out of the three by providing not just one distinguishing variable but seven, all related to emotions derived from movements in the facial muscles during the present study. The emotions associated with the FACET that were documented to possess the ability to distinguish between truthful and lying responses were joy, anger, fear, confusion, and frustration. In addition, an overall measure of the subject's neutral and positive emotional expression were found to be distinctive factors. The implications of this study and future directions are discussed.
ContributorsSeto, Raymond Hua (Author) / Atkinson, Robert (Thesis director) / Runger, George (Committee member) / W. P. Carey School of Business (Contributor) / Computer Science and Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2017-05
Description
Although significant progress has been made in terms of LGBT rights in the United States, the topic has still remained one of the most prevalent and divisive issues in recent history. In Arizona, this prevalence and divisiveness has been illustrated through the state's civil rights and legislative history. Additionally, the importance of this issue is highlighted by the incidents of discrimination and bullying towards LGBT students in Arizona's schools. With this in mind, it was critical to conduct an exploratory historical analysis of LGBT rights in Arizona to better understand the recent history and current climate towards the LGBT community in the state. To explore this issue, the data consisted of reports on the fiscal impact of adopting LGBT-friendly policies, reports on LGBT health and well-being, reports on the school climate, court cases, pieces of legislation, opinion polls, news articles, and opinion pieces. This data on LGBT rights in Arizona was then codified, summarized, and analyzed using Axel Honneth's theory of recognition. Through the application of Honneth's theory to the data, it was possible to examine the history of recognition and misrecognition towards the LGBT community in Arizona. In total, there were six identifiable areas that emerged in which recognition and misrecognition exists: LGBT identity and well-being, marriage recognition, LGBT youth, rights and partner benefits, allies of the LGBT community, and opponents of LGBT rights. This project examined those areas through the lens of Arizona's history and provides insights into the current status of LGBT rights in Arizona.
ContributorsAhearne, Andrew Thomas (Author) / Carlson, David (Thesis director) / School of International Letters and Cultures (Contributor) / School of Politics and Global Studies (Contributor, Contributor) / Division of Teacher Preparation (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05
Description
In Arizona, people flock the streets of Tombstone in droves, chatting in period costume while gunshots ring down the street. Others in Bisbee walk in the Queen Mine, listening to the tour guide discuss how the miners extracted ore. Still others drive up the precarious road to Jerome, passing through the famed Grand Hotel. As former Arizona mining towns, Tombstone, Jerome and Bisbee have a shared identity as former mining boomtowns, all of which experienced subsequent economic and population decline. Left with the need to reinvent themselves in order to survive, the past takes on a different role in each city. In Jerome, visitors seem content to "kill a day" against the backdrop of the historic town. In Bisbee, time seems stuck in the 1970s, the focus having shifted from the mining to the "hippies" who are considered to have resuscitated the town from near-extinction. Tombstone seem to inspire devotion, rooted in the influence of the 1993 film titled after the town. By memorializing portions of their past, these three towns have carved out new lives for themselves in the twenty-first century. As visitors are informed by the narrative of the "Old West," as shaped by the Western movie and television genre, they in turn impact how the towns present themselves in order to attract tourists. In all these sites, the past is present and like a kaleidoscope, continually recreated into new formations. While the designation of Jerome, Bisbee and Tombstone as "ghost towns" is disputed by individuals in each site, these stories of visitors and residents reveal the intricate ways in which these towns have acquired new life.
ContributorsLemme, Nicole Lee (Author) / de la Garza, Amira (Thesis director) / Paulesc, Marie Louise (Committee member) / Department of English (Contributor) / School of International Letters and Cultures (Contributor) / Hugh Downs School of Human Communication (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05
Description
As Arizona enters its fifteenth year of drought and Lake Mead hits historic lows, water management and policy planning will become increasingly important to ensure future water security in the Southwestern region of the United States. This thesis compares water demand trends and policies at the municipal level in Phoenix and Tucson, Arizona over the time period from 1980-2010. By analyzing gallons per capita per day (GPCD) trends for each city in the context of population growth, drought, and major state and local policies over the twenty year period, reasons for declines in per capita water demand were explored. Despite differences in their available water sources and political cultures, both the City of Phoenix and the City of Tucson have successfully reduced their per capita water consumption levels between 1980 and 2010. However, this study suggests that each city's measured success at reducing GPCD has been more a result of external events (supply augmentation, drought, and differing development trends) rather than conservation and demand reduction regulations adopted under the auspices of the Groundwater Management Act.
ContributorsSnyder, Rachel Claire (Author) / Larson, Kelli (Thesis director) / Hirt, Paul (Committee member) / Barrett, The Honors College (Contributor) / School of International Letters and Cultures (Contributor) / School of Sustainability (Contributor) / School of Politics and Global Studies (Contributor)
Created2015-05
Description
Investment real estate is unique among similar financial instruments by nature of each property's internal complexities and interaction with the external economy. Where a majority of tradable assets are static goods within a dynamic market, real estate investments are dynamic goods within a dynamic market. Furthermore, investment real estate, particularly commercial properties, not only interacts with the surrounding economy, it reflects it. Alive with tenancy, each and every commercial investment property provides a microeconomic view of businesses that make up the local economy. Management of commercial investment real estate captures this economic snapshot in a unique abundance of untapped statistical data. While analysis of such data is undeniably valuable, the efforts involved with this process are time consuming. Given this unutilized potential our team has develop proprietary software to analyze this data and communicate the results automatically though and easy to use interface. We have worked with a local real estate property management and ownership firm, Reliance Management, to develop this system through the use of their current, historical, and future data. Our team has also built a relationship with the executives of Reliance Management to review functionality and pertinence of the system we have dubbed, Reliance Dashboard.
ContributorsBurton, Daryl (Co-author) / Workman, Jack (Co-author) / LePine, Marcie (Thesis director) / Atkinson, Robert (Committee member) / Barrett, The Honors College (Contributor) / Department of Finance (Contributor) / Department of Management (Contributor) / Computer Science and Engineering Program (Contributor)
Created2015-05
Description
Homelessness is one of the most visible and tragic problems facing Phoenix today. As Tucson cut its homelessness count nearly in half over the past six years, Phoenix only saw a reduction of 25%. The question remains: what is the best solution for Phoenix to reduce and eventually eliminate homelessness? This paper examined costs and benefits as well as examples in other cities and states of Housing First solutions' effectiveness at reducing the number of people suffering from homelessness. It was found that Housing First solutions, namely Permanent Supportive Housing and Rapid Re-Housing, would be highly effective in combating the homelessness experienced by those in the Phoenix area.
ContributorsGhali, Zakary Hawkes (Author) / Lewis, Paul (Thesis director) / Kilman, Margaret (Committee member) / School of International Letters and Cultures (Contributor) / School of Politics and Global Studies (Contributor, Contributor) / School of Public Affairs (Contributor) / Barrett, The Honors College (Contributor)
Created2017-05