With the expeditious advancement of information technologies, health-related data presented unprecedented potentials for medical and health discoveries but at the same time significant challenges for machine learning techniques both in terms of size and complexity. Those challenges include: the structured data with various storage formats and…

This dissertation provides a practical approach for measuring operational efficiency and operational effectiveness for IT organizations introducing the ITIL process framework. The intent of the study was to assist Chief Information Officers (CIOs) in explaining the impact of introducing the Information Technology Infrastructure Library (ITIL)…

A key issue of cognitive diagnostic models (CDMs) is the correct identification of Q-matrix which indicates the relationship between attributes and test items. Previous CDMs typically assumed a known Q-matrix provided by domain experts such as those who developed the questions. However, misspecifications of Q-matrix had been discovered in the past…

This exploratory investigation examined the relationship between states' educational standardization and voter turnout, using cultural and critical theory lenses. The study documented the problem of low voter participation and current education standardization policies. The study used a complementarity mixed-methods design with sequential…

The purpose of this multiple case study is to describe the experiences of case managers making mathematics placement decisions of high school students with high incidence disabilities. There is much information about what should be happening when making mathematics placement decisions of high school students with high incidence disabilities, but…

Introduction. Missing data is a common problem in research and can produce severely misleading analyses, including biased estimates of statistical parameters, and erroneous conclusions. In its 1999 report, the APA Task Force on Statistical Inference encouraged authors to report complications such as missing data and discouraged the use of…

The findings from the case study research demonstrated that the high school students at the Christian academy who have emotional and behavioral disorders are successful in teaching, retaining, and graduating this population of students. Their teaching methods and strategies included a strong biblical foundation to develop emotional and behavioral…

This dissertation analyzes the degree and shape of differences between private and public sectors (intersectoral) and within the private sector (intrasectoral) in Polish higher education. The intersectoral hypothesis is that Poland's two sectors are quite different and that these differences mostly follow those claimed and so far found in leading…

The report card for the 2008-2009 school year for a northeastern US state indicated that 29% of students performed at or below basic levels on the literacy measure. Previous studies indicated that a cross-curricular instructional design that reinforced fundamental learning skill sets throughout content-area classes encouraged independent learners…

This dissertation consists of three essays on education and macroeconomics. The first chapter analyzes whether public education financing systems can account for large differences among developed countries in earnings inequality and intergenerational earnings persistence. I first document facts about public education in the U.S. and Norway, which…

The purpose for this study was to determine the influence on achievement and classification rate into special education of racially, culturally, ethnically, linguistically diverse students following the use of a district-designed response to intervention (RtI) structure by examining local processes that may contribute to student achievement and…

My dissertation is motivated by a puzzle of international social policy and norm emergence and diffusion. Today, children in one hundred and forty-one countries receive free or subsidized school lunches. Yet less than a century ago, no state had a national child nutrition policy. Feeding children was clearly not considered a state responsibility a…

A 2008 statement from the Foundation for California Community Colleges in the Chronicle of Higher Education revealed that two-year institutions provide education for approximately half of the nation's undergraduate students (Wiessner, 2008). However, when it comes to benefiting from dollars that are raised from donors for postsecondary schools,…

The study explores factors that enhance or inhibit the language adjustment of international students in the U.S. Using social network influence model, the study examines the effects of language resources, language norm, and technology use on international students' self-confidence in overall English skills and four subskills, namely, listening,…

Youth with disabilities are disproportionately represented in the child welfare system (Crosse, Kaye, & Ratnofsky, 1992; Sullivan & Knutson, 2000). Although research on this topic is limited, youth with disabilities who are emancipating from foster care are at risk for particularly poor outcomes, experiencing even lower rates of employment,…