This dissertation focuses on strategies and techniques to enhance code comprehension skills among students enrolled in introductory computer science courses (CS1 and CS2). We propose a novel tutoring system, "DeepCodeTutor," designed to improve the code comprehension abilities of novices. DeepCodeTutor employs scaffolded self-explanation…

Research-based multi-text strategies (MTC) comprised of two-step verification, discrepancy-induced, cognitive-affective engagement, and reading as problem-solving models may assist students in furthering their reading comprehension in this Internet-based society. The purpose of this statewide quantitative study of principals in Title I elementary…

Reading comprehension is an extremely important skill that students need to be effective learners; however, a significant percentage of students are reading below grade level on a nationwide scale (National Assessment for Educational Progress, 2019; National Institute of Health as cited by Learning Disabilities Association of America, 2022). In…

The purpose of this study was to investigate and implement an effective model for reading professional development (PD) for elementary teachers. Cycle 1 data were collected from kindergarten through fifth grade elementary teachers to understand teachers' perspectives of effective PD. The findings suggested that if PD utilizes teacher collaboration…

Up until third grade, reading instruction is focused on learning to read, while in fourth grade and up, students begin reading to learn (Annie E. Casey Foundation, 2024; Grunke et al., 2013). This reading with purpose includes increasing critical thinking skills and using newfound reading skills to understand complex subjects such as math and…

The purpose of this mixed-methods sequential explanatory study was to investigate the effects of watching text-relevant video segments on reading comprehension of a culturally unfamiliar text when technical words are present or absent. Therefore, 44 adult English Language Learners (ELLs) with higher-intermediate to advanced English language…

The growth of reading and cognitive skills is crucial for children's development. This study examined the utility of incorporating a cognitive framework for reading in intervention design among struggling readers receiving National Institute for Learning Development (NILD) Educational Therapy® over a 3- to 5-year period. Evidence from this…

The heightened importance of foreign languages (L2) in the post 9-11 world demands more L2 listening research as listening is considered the most critical skill for most American military linguists. Some larger studies show that lexical knowledge can positively affect L2 listening (Chang, 2007; Mehrpour & Rahimi, 2010; Staehr, 2009), yet…

The primary aim of this study was to examine the structure of processing speed (PS) in middle childhood by comparing five theoretically driven models of PS. The models consisted of two conceptual models (a unitary model, a complexity model) and three methodological models (a stimulus material model, an output modality model, and a timing modality…

With the online assessment becoming mainstream and the recording of response times becoming straightforward, the importance of response times as a measure of psychological constructs has been recognized and the literature of modeling times has been growing during the last few decades. Previous studies have tried to formulate models and theories to…

Reading comprehension is an essential skill for success in school and post-school life. However, despite the importance of this skill, a considerable number of students in the U.S. have shown difficulties in reading comprehension. According to the 2015 National Assessment of Educational Progress (NAEP) of the National Center for Education…

No Child Left Behind Act created a paradigm shift in the education field for all students including students with disabilities. The act impacted students with disabilities because the expectation of education changed in many areas. The expectation of highly qualified teachers teaching utilizing research based strategies and the requirement of…

The present study sought to fit a cognitive diagnostic model (CDM) across multiple forms of a passage-based reading comprehension assessment using the attribute hierarchy method. Previous research on CDMs for reading comprehension assessments served as a basis for the attributes in the hierarchy. The two attribute hierarchies were fit to data from…

This purpose of this study was to develop a clearer understanding of the complex, interrelated factors that lead to successful informational text comprehension and to determine if or how these factors vary for higher and lower comprehenders. Participants (N = 177) were in grades three through five and were predominately African American (61%) and…

The purpose of this study was to determine the effectiveness of three researcher-designed experimental models of vocabulary instruction during shared storybook read alouds on kindergarten children's Tier Two target word learning and maintenance of word knowledge. The Integrated Model consisted of two readings of the same storybook, direct…