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Derek John Base – ProQuest LLC, 2024
This study examines the impact of hands-on chemistry laboratories in shaping secondary students' chemistry self-concepts. Utilizing a mixed methods approach, the research sought to address how students' chemistry self-concept varied during the first semester of an introductory chemistry course and give voice to students' understanding of the role…
Descriptors: Secondary School Students, Chemistry, Science Instruction, Laboratory Experiments
Mavor, David Carl – ProQuest LLC, 2017
Ubiquitin is essential for eukaryotic life and varies in only 3 amino acid positions between yeast and humans. However, recent deep sequencing studies indicate that ubiquitin is highly tolerant to single mutations. We hypothesized that this tolerance would be reduced by chemically induced physiologic perturbations. To test this hypothesis, a class…
Descriptors: Biochemistry, College Science, Graduate Students, Genetics
Kerstiens, Geri Anne – ProQuest LLC, 2019
Recently, there have been many calls for an increase in instruction on the nature of science (NOS) in schools (i.e. NRC, 1996; NGSS Lead States, 2013). These calls recognize the importance of this topic at all levels of science education, but there is little guidance in terms of how to address it effectively in curricula. Similarly, there have…
Descriptors: Scientific Principles, Science Instruction, Chemistry, Science Laboratories
Marble, Jacob Earl – ProQuest LLC, 2017
This study investigated whether or not lab type, traditional lab or virtual lab, influenced students' engagement. To measure student engagement six students were videoed over the course of an 18-week semester while conducting 10 lab experiments. To analyze student engagement, a systematic visual comparison in the tradition of single case research…
Descriptors: Physics, Science Instruction, Teaching Methods, Learner Engagement
Yeates, Devin Rodney – ProQuest LLC, 2011
The goal of this dissertation is to enable better predictive models by engaging raw experimental data through the Instrumental Model. The Instrumental Model captures the protocols and procedures of experimental data analysis. The approach is formalized by encoding the Instrumental Model in an XML record. Decoupling the raw experimental data from…
Descriptors: Models, Data Analysis, Computation, Science Experiments
Pilarz, Matthew – ProQuest LLC, 2013
For this study, a research-based lab module was implemented in two high school chemistry classes for the purpose of examining classroom dynamics throughout the process of students completing the module. A research-based lab module developed for use in undergraduate laboratories by the Center for Authentic Science Practice in Education (CASPiE) was…
Descriptors: Science Instruction, Chemistry, High School Students, Secondary School Science
Maron, Marta Katarzyna – ProQuest LLC, 2011
This dissertation is a combination of two research areas, experimental physical chemistry, Chapters I to V, and chemical education, Chapters VI to VII. Chapters I to V describe research on the water-mediated chemistry of oxidized atmospheric molecules and the impact that water has on the spectra of these environmental systems. The role of water…
Descriptors: Investigations, Organic Chemistry, Program Effectiveness, Misconceptions
Mirchin, Robert Douglas – ProQuest LLC, 2012
This research study is an investigation of student-laboratory (i.e., lab) learning based on students' perceptions of experiences using questionnaire data and evidence of their science-laboratory performance based on paper-and-pencil assessments using Maryland-mandated criteria, Montgomery County Public Schools (MCPS) criteria, and published…
Descriptors: High School Students, Student Attitudes, Academic Achievement, Science Achievement
Bromfield Lee, Deborah Christina – ProQuest LLC, 2009
"Visualization" of chemical phenomena often has been limited in the teaching laboratories to the sense of sight. We have developed chemistry experiments that rely on senses other than eyesight to investigate chemical concepts, make quantitative determinations, and familiarize students with chemical techniques traditionally designed using only…
Descriptors: College Science, Chemistry, Science Instruction, Science Experiments