This is potentially the first study that addressed the Puerto Rican high school students' chemistry knowledge acquisition using traditional teaching and Physics Education Technology. The problem addressed by this quantitative comparative quasi-experimental study was that students' showed a disadvantage on chemistry knowledge acquisition over other…

The purpose of the current study was to examine the dosage and fidelity of EMT en Español strategies that are posited to drive change in child outcomes. The study is a re-analysis of data collected during the National Institutes of Health (NIH) R21 grant "Teaching Spanish-speaking Caregivers to Implement EMT en Español: A Small Randomized…

Educators within Illinois public schools faced challenges transitioning from face-to-face to remote learning during the COVID-19 pandemic. The target audience for this study was students in sixth through eighth grade. The problem was teachers from Grades 6 through 8 had limited experience using technology for remote educating and learning. The…

In the spring of 2020, the United States experienced a nationwide closure of schools, and all educators had to shift their instructional modality from in-person to distance learning without warning. The problem is the COVID-19 pandemic prohibited in-person learning due to state- issued stay-at-home orders. The purpose of this basic qualitative…

The pandemic underscores the need for a blended approach, combining in-person and online education post-crisis. The lessons gleaned from the experience of pandemic-era education highlight the importance of emphasizing blended education in the post-pandemic context, which combines both in-person and online educational approaches. Effective use of…

This paper presents the findings of a descriptive multiple case study carried out with six teachers of English in five public secondary schools in a city in northwestern Mexico aimed to determine how writing was taught. A mixed methods approach was followed with an embedded design in which qualitative data had increased weight and quantitative…

Knowledge related to photochemistry has been gradually introduced as a part of chemistry courses at both undergraduate and postgraduate levels. However, due to their complex conceptual principles, limited class time, and tedious experimental setup and methodologies, students tend to encounter difficulties in understanding the concepts and…

Reading and understanding scientific literature is an essential skill for any scientist to learn. While students' scientific literacy can be improved by reading research articles, an article's technical language and structure can hinder students' understanding of the scientific material. Furthermore, many students struggle with interpreting graphs…

Modeling an inter-ring torsional profile of a simple2,2'-bithiophenemolecule has been used to illustrate the main concepts associated with basic molecular modeling within an introductory course in a master's degree on computational modeling. The methodology proposed in the activity has been used to guide and train the student along the classical…

The year 2020 will be remembered as the year of COVID-19 and its subsequent lockdowns. The time to return to face-to-face teaching has arrived, but the shadow of the disease still hangs over teachers, students, and society. Disruption in teaching can still occur for students, or even teachers, if they are either diagnosed as COVID-19 positive or…

Learning with understanding is essential to enabling students to solve problems that they will inevitably face in the future. Students will be more successful, if they are engaged in thought-provoking activities that encourage them to grow in their mathematical understanding and identity. With this study we intended to understand how the…

David Stephens, a 4th grade teacher in Washington State, was preparing a lesson plan about desert wildlife (all names are pseudonyms). He was planning on assigning his students the chapter book, "Desert Giant: The World of the Saguaro Cactus." The students had divergent knowledge about the topic. For example, Maryam had grown up in…

Preschool-age children identified as at risk for later reading difficulties can benefit from supplemental, small-group emergent literacy intervention. As such interventions become commercially available and marketed to preschool programs, it is important to understand their impacts when implemented by intended end users under routine conditions.…

The purpose of this study was to determine teacher perspectives on emergency remote teaching conducted during the COVID-19 pandemic in science and art centers. The study was carried out using a phenomenological qualitative research design with 41 science and art center teachers from 17 different majors. A content analysis method was employed in…

This dissertation investigates the potential of sustained use of academic vocabulary in reciprocal dialogue to improve educational equity for fifth-grade students with specific reading disabilities. Students with reading disabilities often struggle with acquiring academic vocabulary, which can hinder their overall academic performance and limit…