The main goal of learning analytics and early detection systems is to extract knowledge from student data to understand students' trends of activities towards success and risk and design intervention methods to improve learning performance and experience. However, many factors contribute to the challenge of designing and building effective…

Variability is intrinsic to human speech production. One approach to understand variability in speech is to decompose it into task-irrelevant ("good") and task-relevant ("bad") parts with respect to speech tasks. Based on the uncontrolled manifold (UCM) approach, this dissertation investigates how vowel token-to-token…

In multisite experiments, we can quantify treatment effect variation with the cross-site treatment effect variance. However, there is no standard method for estimating cross-site treatment effect variance in multisite regression discontinuity designs (RDD). This research rectifies this gap in the literature by systematically exploring and…

This dissertation studies a few topics in industrial organization. In the first two chapters, I study the education market from the perspective of industrial organization. Chapter 3 studies second-price auctions with participation costs. Chapters 1 and 2 study the high school market of a large city in China that introduced a policy allowing public…

This dissertation investigates the ways that natural languages evolve and what it means in the overall cultural evolution of society. Computational and modeling advances have made possible to explore large-scale text data and test hypothesis of language evolution. Similar to biological systems, natural languages are evolving systems with words as…

State-wide tests are designed to measure student overall ability on grade-level standards. School leaders want fine-grained information on student performance to inform curriculum and instruction. One currently used target scoring method, which compares student scores to expected values is currently used to give this feedback to schools, but there…

Education researchers frequently have to choose between statistical models for their data, and in many cases the candidate models or parameters can be listed in a sequence, m=1,...,M, from less preferable choices to more. For instance, in choosing a bandwidth for regression discontinuity designs, researchers would favor the largest possible…

At the Peugeot Center for Engineering Service in Developing Communities at Lipscomb University, seventeen years of experience have provided the foundation for a program that creates lasting impact. In comparison to other service learning or humanitarian engineering programs, the Peugeot Center is unique in that it achieves substantial impact on…

Recent calls by transition researchers in postsecondary transition have advocated for new approaches to transition services focused on career design, which uses career-related experiences based on a person's interests to develop goal setting and problem-solving abilities. Youth and young adults with autism spectrum disorder (ASD), who often have…

Reading a word requires several component processes. The dual route cascaded (DRC) model provides a characterization of these component processes and their involvement in different reading routes. We tested how relevant precursor skills associated with these component processes predict the use of the sublexical and lexical route in beginning…

While university students in developing countries welcome digital learning tools, they frequently lack Information and Communication Technology (ICT) skills which enable them to successfully carry out activities linked to information and communication technologies. This, in turn, means that they struggle to meet practical academic and professional…

In recent times, education policy and reform discourses have become increasingly politicised by neo-liberalism, with critical policy methodologies struggling to catch up. Critical policy sociologists have noted that critical commentaries rarely succeed in changing or impacting dominant education policy pathways. This article presents a framework…

This study examines the relationship between classroom goal structures, student goal orientations, and mathematics achievement in China and compare the pattern of relationship between Chinese Miao and Han students. Data on 532 Chinese students (including 211 Han and 321 Miao students) were analyzed using structural equation models. The results of…

Iterated learning models of language evolution have typically been used to study the emergence of language, rather than historical language change. We use iterated learning models to investigate historical change in the accent classes of two Korean dialects. Simulations reveal that many of the patterns of historical change can be explained as…

Popular instructional approaches in Early Childhood Education for Sustainability (ECEfS) are co-construction learning, transformative learning and ecological learning. These rely on constructivism that could challenge human-nature relationships of ECEfS. In this study, we aim to discover and reshape human-nature relationships embedded in the…