Visualizations are an integral part of education, and the features of visualizations have been associated with differences in learning and generalization. I propose that students use the features of visualizations, such as their perceptual richness, as cues to infer the generality of the information presented in lessons. I test this proposal in 10…

The Conservative Dual Criteria (CDC) method is known to improve decision-making accuracy in users when interpreting graphed data. The effectiveness of this method with in-service special education teachers, however, has not been investigated. The present study examined the effects of a virtual training package designed to improve the data-based…

Graph data, especially large graph data, come up in many domains, such as social networks, the map of science, biological data, and even knitting! This presents a problem when we consider visualizing these structures. Layouts must be chosen carefully so that the structure of the graph is visible. Some graphs are large enough and connected enough…

The central focus of my dissertation concerns the issue of representation. The issue of representation is important for science education research for two reasons: (1) the use of external representation in science teaching and learning, particularly in chemistry education, is ubiquitous as microscopic entities are not directly visible, and (2) the…

The central focus of my dissertation concerns the issue of representation. The issue of representation is important for science education research for two reasons: (1) the use of external representation in science teaching and learning, particularly in chemistry education, is ubiquitous as microscopic entities are not directly visible, and (2) the…

The purpose of this action research study was to implement and evaluate the impact of a modified flipped classroom approach on students' ability to use Adobe Premiere Pro in a Multimedia course at Jefferson High School. The current pedagogical model for teaching the video editing software is not conducive to student achievement and students need…

According to cognitive psychologists, consistent practice (i.e., tasks with a high degree of similarity) of a skill leads to the development of automaticity, with the degree of automatization being increased if the practice also involves exact repetition. Practice is skill specific, meaning that practicing one skill does not automatize related…

The present study evaluated the effects of online training on pre-service teachers' case application of the visual schedules strategy ("CHECK") to support individuals with intellectual and developmental disabilities. A pre/post-test control group design was utilized. Results indicated that the self-paced online training was effective in…

Most college students take lecture notes to prepare for tests. With technology development, more students are recording notes on laptops rather than writing them longhand. Previous studies comparing laptop and longhand note taking mediums yielded mixed results, highlighting the need to identify influencing factors. The present study investigated a…

Attention is being given to improving the design of undergraduate gateway courses (i.e., entry-level, introductory) in the fields of science, technology, engineering, and mathematics (STEM), particularly those facing challenges of large enrollment and high failure rates. Effective course design has been noted as a key strategy for improving the…

Since the phenomenal success of deep neural networks (DNNs) on image classification, the research community have been developing wider and deeper networks with complex components for a variety of visual understanding tasks. While such "heavy" models achieve excellent performance, they pose two main challenges: (1) the training requires a…

Vision and language are the primary modalities of our human perception and learning. Recent years have witnessed fast development of methods that connect vision and language. Current deep learning methods are data-hungry, thus pre-training on large-scale data helps warm up the model and shows better fine-tuning results on downstream tasks.…

Despite the acceleration of climate change, figuring out ways to productively talk about it remains difficult in some places. So where do we begin? As rhetoricians, we believe that studying discourse provides insight. Herndl and Brown describe environmental discourse as a historically developed cultural form maintained by rhetorical activity (9).…

The purpose of this mixed methods study was to investigate the implementation of a researcher-created numberless word problem instructional unit designed to introduce second-grade students to word problems in the semantic category of "compare with the word more, smaller unknown." The 10-day instructional unit incorporated three elements:…

This qualitative, multiple case study provided comprehensive descriptions of the conceptual difficulties and learning experiences of in-service teachers as they improved their ability to effectively model fraction division with pictorial diagrams. Video data were collected on eight teachers as they individually progressed through a professional…