This dissertation presents various machine learning applications for predicting different cognitive states of students while they are using a vocabulary tutoring system, DSCoVAR. We conduct four studies, each of which includes a comprehensive analysis of behavioral and linguistic data and provides data-driven evidence for designing personalized…

Expertise in teacher noticing of children's thinking is central to a vision of responsive teaching in which teachers regularly elicit and build on children's thinking during instruction (Richards & Robertson, 2016). In mathematics classrooms, this core instructional practice of noticing children's mathematical thinking repeatedly occurs during…

This study investigated teacher questioning practices and rationales in released-time seminary classes for The Church of Jesus Christ of Latter-day Saints (the Church of Jesus Christ or the Church). Seminary teachers focus their questions on helping students learn course principles, value those principles, and apply them to their lives by…

Mobile electronic devices such as smartphones are playing an increasingly pervasive role in our daily activities. A growing body of literature is beginning to investigate how mobile technology habits might relate to individual differences in cognitive traits. The present study is an investigation into how individual differences in intertemporal…

In natural language, evidence suggests that, while some rules are productive (regular), applying broadly to new words, others are restricted to a specific set of lexical items (irregular). Further, the literature suggests that children make a categorical distinction between regular and irregular rules, applying only regular rules productively…

The purpose of this quantitative causal-comparative research was to examine if and to what extent there were differences in students' cognitive load and the subsequent academic performance based on block bell schedule and traditional bell schedule for freshmen in Algebra 1 in the Southwestern United States. This study included students from two…

This mixed methods study was designed to uncover evidence of change to mental models about organizational systems resulting from participation in a simulation game that is based on a system dynamics model. Thirty participants in a 2 day experiential workshop completed a pretest and posttest to assess learning about particular systems concepts.…

Studies show that how students think of mathematics is related to their approach to learning and course performance; views that fall into one of two categories, fragmented or cohesive conceptions of math. Students who view mathematics as a complex system that can be used to explain the world around them (cohesive), often adopt deeper approaches to…

African American (AA) students graduate at significantly lower rates in science, technology, engineering, and mathematics (STEM) than their racial / ethnic counterparts. There are a number of factors that contribute to whether AA students ultimately decide to depart form their programs such as the pervasive science culture, academic preparedness,…

This study, in the context of peer-facilitated asynchronous online discussion, explored the characteristics and patterns of students' cognitive presence, and examined the practices that aim to enhance cognitive presence development. Participants were 53 students from a graduate-level online course that focused on the integration of educational…

As our society has become increasingly data dependent, statistics education has emerged as a field of study. Research has focused on statistics course content outcomes, showing most students struggle with statistical concepts, including variation and the standard deviation. Variation is a foundational concept in statistics. Without a firm grasp of…

With online education comes large amounts of data that can reveal in ways able to be examined quantitatively only sparingly in the past, the physics problem-solving profiles of students. This project uses fundamental research to analyze physics problem-solving behavior of students enrolled in the Massive Open Online Course 8.MReVx offered on the…

The ability for students to understand numbers and other mathematical symbols is a crucial part of success in mathematics. Accordingly, it is important for researchers to understand the nature of symbolic number processing -- the connections between a symbol or collection of symbols that convey numerical information (e.g., Arabic digits,…

Concerns related to the protection of personal identification information, graphic user interface, patient privacy, and consumer acceptance, to name a few, have plagued the implementation of telemedicine. Advocates of telemedicine have gained the interests of consumers but failed to recognize the true nature of consumer attitudes towards the use…

This body of work contains three articles that support the need for K-12 teachers to write professionally and personally. The research sought to explore the questions of initial influences to write, essentials to sustain writing and the relationship of teacher-writer development to self authorship. Much of the previous literature produced by…