The completion of developmental community college (DCC) courses is a crucial step in community college education to reach the national goal of increasing college success. DCC students are a unique population who require specific strategies such as vocabulary retention (VR) to achieve academic success. Prior research on vocabulary has been limited…

The Big Bend region of Trans-Pecos Texas preserves a rich record of Rio Grande rifting and Laramide-age contraction that provide intrigue to national and state park visitors and field trips for undergraduate geology students. Despite its well-exposed geologic record, the Big Bend region remains an underutilized natural laboratory for studying…

The purpose of this research was to investigate the effects of virtual reality (VR) and emotionally resonant videos on knowledge retention for adult learners at a contractor safety training organization supporting the energy industry. The intent of this research was to determine if traditional computer-based training (CBT) can be made more…

There has been a recent increase in the number of studies done on the use of music therapy and the use of music in general to support social connections, literacy, language skills, and communication in students with disabilities; however, little has been published that supports the specific benefits of using music to increase engagement and…

Search-as-learning research has emphasized the need to better support searchers when learning about complex topics online. Prior work in the learning sciences has shown that effective self-regulated learning (SRL), in which goals are a central function, is critical to improving learning outcomes. This dissertation investigates the influence of…

Human space exploration is entering a new era through the design of missions that venture further from earth for longer durations, such as missions to the Moon and Mars. Mission success during long duration exploration missions (LDEM) requires astronauts to flawlessly execute exceptionally complex skills across a multitude of tasks, presenting new…

The purpose of this study was to examine the effects of gamified training in cybersecurity concepts on individuals not employed in information technology roles compared to traditional pieces of training. As the world becomes increasingly connected technologically, so too do the cyber vulnerabilities increase, and it is essential for all types of…

Memory retrieval is well known to modify retention of not only retrieved material, but also related, non-retrieved material. This dissertation consists of two manuscripts that investigated retrieval phenomena in the learning of foreign language vocabulary and science education material. The testing effect--the retention benefit of practicing…

Interruptions are already ubiquitous throughout society, and the attention-driven economy may be training us to constantly switch tasks and refocus our attention without ever lingering on one activity. Previous studies of interruptions during work have found many negative outcomes (e.g., more errors, higher workload, slower task time) and some…

Living and teaching in Merauke, Papua, Indonesia, the researcher discovered a problem not only with his own teaching methods, but with the methodology used by other faculty at the Bible school where he taught. When the student could not answer simple questions from the Bible, the obvious question became, "Why could they not answer these…

Computational risk detection holds promise for shielding particularly vulnerable groups from online harm. A thorough literature review on real-time computational risk detection methods revealed that most research defined 'real-time' as approaches that analyze content retrospectively as early as possible or as preventive approaches to prevent risks…

This dissertation investigates the problem of how variations in the intensity of three selected constructs--multimedia signaling, speed and pacing, and cognitive engagement prompts--affect attention and learning outcomes in online learning environments. The study explores the intersecting cognitive theories of cognitive load, higher order thinking…

The purpose of this quantitative, quasi-experimental nonequivalent control group study was to determine if there is a difference in mathematical fact fluency among third-, fourth-, and fifth-grade students with varying practice methods and spacing intervals while controlling for pre-test scores. The study filled the literature gap by examining the…

Simulation technologies are used in simulation-based education however retention of knowledge, skills, and abilities have yet to be determined. This study evolved from areas of research that do not adequately show or address measurements of retention of knowledge, skills, and abilities in the professional environments after training with…

This quantitative study investigated the impact of video format of instructional videos on information retention and perceptions of 146 preservice teachers at a small, state system school located in Western Pennsylvania. Using a pretest-posttest design, three different video formats were randomly presented to participants using an online survey.…