<div>Disciplinary perspectives, as a core element of interdisciplinary work, represent the ways individuals may see and approach a situation based on their unique disciplinary background and training. Interdisciplinary collaboration requires individuals to leverage disciplinary perspectives and knowledge from diverse fields to build a shared understanding of the problem situation. However, based on the diversity of background and experiences within a team, interdisciplinary collaboration can be a challenge because collaborators must negotiate disciplinary differences, while also fundamentally experiencing the collaborative situation in different ways. Therefore, it is important to understand how individuals engage and experience disciplinary perspectives in their practice of collaboration. In this study, I investigated the nature of disciplinary perspectives in the context of educational development. </div><div><br></div><div>The profession of educational development broadly aims to support the teaching and learning mission of higher education institutions, where educational developers work with faculty, graduate students, and administration on teaching, instruction, curriculum, and organizational development across disciplines. As such, educational developers play a significant role in engineering education transformation and offer a unique context to investigate interdisciplinary practice. In this work, educational developers bring their diverse disciplinary perspectives to their collaborative interactions. </div><div><br></div><div>In this dissertation, a phenomenographic study was conducted to investigate the following research question: how do educational developers experience disciplinary perspectives in the work of educational development? Phenomenography is a qualitative research approach that focuses on the variation in how a phenomenon is experienced and conceptualized. I adopted a situative theoretical perspective to see disciplinary perspectives in relation to the contexts, social interactions, and activities through which interdisciplinary work is performed. I conducted semi-structured interviews with eighteen educational developers from Centers for Teaching and Learning across the United States and Canada. Participants were recruited from various disciplinary backgrounds and levels of experience. In the interview, participants shared general descriptions about their work, and specific descriptions of an experience where they worked with others who contributed different disciplinary perspectives. Additionally, a scenario-based elicitation exercise was used to frame participants’ description of how diverse disciplinary perspectives appear in their work. The analysis followed an iterative and generative process to discern features and qualities of disciplinary perspectives. </div><div><br></div><div>The findings of this study are presented as a phenomenographic outcome space consisting of five categories of description as distinct ways that disciplinary perspectives are experienced by educational developers. Additionally, the findings illustrate how disciplinary perspectives become externalized as an object that is brought forward and shaped in collaborative interactions. This research contributes to further understanding interdisciplinary collaboration in two ways. First, for interdisciplinary practice, the findings provide an integrated view of the variation in ways of experiencing disciplinary perspectives such that educational developers may attune and attend to different collaborative interactions. Second, with the situative perspective, I provide insight into the situated knowledge that constitutes how disciplinary perspectives become meaningful based on educational developers’ position in relation to different disciplinary spaces. My findings highlight the situative relationships between the individual educational developer, their practice with disciplinary perspectives, and their work tasks in educational development. As educational developers continue to develop their practice to advance teaching and learning in higher education, this research contributes to the professional knowledge of educational developers in support of interdisciplinary collaboration. </div><div><br></div>

Using the multilevel framework, this multi-institutional study took different approaches to study undergraduate students’ retention in engineering programs. The study was conducted in two phases. In the first phase, using Multiple-Institution Database for Investigating Engineering Longitudinal Development, the aim was to control for macro-level factors which may create a selection bias in student admission into engineering programs. The outcome fed the second phase, which aimed to analyze student’s retention for different populations.

Engineering Dynamics (ED) courses are known as challenging and demanding for undergraduate students majored in many engineering fields, such as mechanical and aerospace engineering and civil and environmental engineering. The course is built upon the foundation and framework of mathematics and physics and requires students to have strong abstract thinking and reasoning skills. Rigid body dynamics (RBD), the second part of ED, investigates kinematics and kinetics of rigid bodies and is considered as a difficult subject by many undergraduate students because the course requires them to visualize abstract objects in motions. Although there have been many studies reporting the uses of interactive computer simulation and animation (CSA) modules as visual learning tools in RBD instruction, the effectiveness of the CSA modules on student learning of RBD were not rigorously and adequately investigated. This study employs a mixed method (QUAN – qual) approach and nonequivalent comparison group design to investigate the effectiveness of CSA modules on student learning of RBD, and to explore students’ attitudes towards and experiences with these modules. One hundred and sixty-one students in two recent semesters participated in this study: 74 in one semester participated in the comparison group and 87 in another semester participated in the intervention group. While the intervention group students studied RBD with CSA modules along with traditional lectures, the comparison group students studied RBD with traditional lectures only. Students in both groups were assessed with pretests and posttests using 10 bonus homework assignments developed to address core knowledge areas of RBD. The study uses a set of nonparametric statistical tools to analyze the pretest and posttest scores, mean differences, and magnitudes of the differences in learning gains between the two groups. Research findings from this study reveal that the intervention group students showed a significant increase in learning gains of overall knowledge, conceptual understanding, and procedural skills with Cliff’s effect sizes of 0.49, 0.41, and 0.47, respectively. CSA modules increased the intervention group students’ confidence, but they did not increase students’ motivation of learning RBD. This study supports the use of CSA modules as an instructional intervention to improve students’ conceptual understanding and procedural skills in learning engineering dynamics.

The purpose of this study was to examine the effects of professional development (PD) on the infusion of engineering design into high school curricula. Four inservice teachers with backgrounds in physics, chemistry, industrial education, math, and electrical engineering participated in the 2006 National Center of Engineering and Technology Education (NCETE)-sponsored PD workshops at California State University, Los Angeles (CSULA) and provided three sources of data that were used to answer the research question, "What are the effects of PD on infusing engineering design into high school science, technology, engineering, and math (STEM) curricula"? Three major themes emerged from the data. They were (a) incorporation of PD content, (b) challenges with incorporating PD content, and (c) benefits of incorporating PD content. It was shown that the effect that the NCETE PD had on the infusion of engineering design into high school curricula varied among each of the four teachers due to their subject area, educational backgrounds, and experiential knowledge. Implications of these findings may be used to inform the design and delivery of future STEM PD efforts.

The purpose of this correlational research study was to determine if students’ academic success was correlated with: (a) the student change in achievement during an engineering design challenge; and (b) student change in mental motivation toward solving problems and critical thinking during an engineering design challenge. Multiple experimental studies have shown engineering design challenges increase student achievement and attitude toward learning, but conflicting evidence surrounded the impact on higher and lower academically achieving students. A high school classroom was chosen in which elements of engineering design were purposefully taught. Eleventh-grade student participants represented a diverse set of academic backgrounds (measured by grade point average [GPA]). Participants were measured in terms of achievement and mental motivation at three time points. Longitudinal multilevel modeling techniques were employed to identify significant predictors in achievement growth and mental motivation growth during the school year. Student achievement was significantly correlated with science GPA, but not math or communication GPA. Changes in achievement score over time are not significantly correlated with science, math, or communication. Mental motivation was measured by five subscales. Mental focus was correlated with math and science GPA. Mental focus increases over time were negatively correlated with science GPA, which indicated that the initial score differential (between higher and lower science GPA students) was decreased over time. Learning orientation and cognitive integrity were not correlated with GPA. Creative problem solving was correlated with science GPA, but gains over time were not correlated with GPA. Scholarly rigor was correlated with science GPA, but change over time was not correlated with GPA. (284 pages)

The purpose of this study was to investigate the funds of knowledge of Latino and Latina high school adolescents, and how they used their funds of knowledge to solve engineering design problems in their communities. This study was based on the assumption that creating a bridge between different formal resources (e.g., engineering design processes) and informal resources (e.g., funds of knowledge) is an important step toward encouraging Latino and Latina high school adolescents to enter and remain in the field of engineering. The intent of this study was to generate a framework of funds of knowledge that teachers can draw from in order to create culturally responsive high school engineering instruction that connects adolescents’ out-of-school practices to the formal practices of engineering. An ethnographic approach was used to investigate the funds of knowledge of fourteen Latino and Latina high school adolescents. The participants were selected from a rural community located in the Western United States. They were divided into four different groups and each group selected a problem in their community that was of interest to them. Each group met twice per month and every student was interviewed every month individually. For this study, data sources included participant responses to individual interviews, observations of group discussions, retrospective and concurrent protocols, and participant-generated products. A constant comparative analysis showed that the participants possessed an understanding of societal, environmental, technical, and other engineering-related practices, dispositions, and habits of mind, which helped them to engage in engineering design in a holistic way. The study suggested that Latino and Latina adolescents, although profoundly underrepresented in engineering, bring a wealth of knowledge and experiences that are relevant to engineering design thinking and practice.

Officials responsible for the control and administration of the traffic on the highways and streets of the nation are aware that good roads, markings, signals, and equipment are necessary. They also realize that the human element involved in the process of operating a vehicle is of the utmost importance. Highways can only be termed good to the extent of the actions of the drivers who use these roads. Studies have been made throughout the nation in different states and cities to determine the results of formal training of drivers. The results of these studies answer many questions and also leave many questions unanswered. A previous study by H. Neil Anderson, in 1952, of the city high schools here in Utah gave some indication of the validity of the hypothesis that students who successfully coplete the driver education course have better performace records than those who did not take the course. Anderson's study, and others in the nation, leaves a challenge to carry out a survey over a longer period of actual driving time for the participants in the Salt Lake City high schools. The purpose of this thesis is to make a comprehensive study of driving records of Salt Lake City high school students who have received training in the driver education program, and those of students who have received no such training. The main objective of this study is to compare the driving records in terms of violations and accidents of the trained drivers against the violations and accidents records of the untrained drivers. This is a comprehensive study evaluating driver education in the senior high schools from analyses of driving records of Salt Lake City high school students.

The purpose of this research was to investigate high school students’ computer self-efficacy, cognitive actions, and metacognitive strategies in a self-regulated learning (SRL) framework while utilizing an interactive learning module. The researcher hypothesized that computer self-efficacy is correlated positively with cognitive actions and metacognitive strategies while the students are engaged with interactive learning modules. This research used a mixed-methods approach to answer the research questions. Two research questions guided this research: (1) How is students’ computer self-efficacy related to cognitive actions and metacognitive strategies while using interactive learning modules?; and (2) How do students plan monitor their cognitive actions, and regulate their monitoring strategies during learning with interactive learning modules?This study utilized self-regulated learning framework that covered self-efficacy, cognitive, and metacognitive components. While self-efficacy was represented by computer self-efficacy, the metacognitive component was represented by planning, monitoring, and regulating strategies. Cognitive actions represent contextual activities while using interactive learning modules. One hundred and thirteen students from two high schools in Northern Utah, USA(i.e., InTech Collegiate High School and Logan High School) participated in this study. Each student worked on three modules: Boolean Logic, Minimum Spanning Tree, and Modeling Using Graphs. Due to the differences in class schedules between both schools, students at InTech Collegiate High School and Logan High School completed the activities within 2 and 4 days, respectively. Three different forms of data were gathered for analysis. These data included questionnaires, screen captured videos, and audio recordings of the interviews. The students completed three questionnaires: demographic, computer self-efficacy, and self-regulated computer-based learning questionnaires.The findings of the study revealed that while computer self-efficacy was not positively correlated with cognitive actions, it was positively correlated with metacognitive strategies. Specifically, the findings revealed a significant positive correlation between computer self-efficacy and planning strategies. Screen-captured video analyses showed that there were different profiles of cognitive actions and metacognitive strategies between high and low computer self-efficacy groups. The findings were confirmed by issues from interview analyses between the groups.

Exploration of Factors Affecting Success of Undergraduate Engineering Majors at a Historically Black University. Egheosa P. Igbinoba, 2015: Applied Dissertation, Nova Southeastern University, Abraham S. Fischler School of Education. ERIC Descriptors: STEM Education, African American Achievement, Higher Education, Black Colleges, Engineering Education. Blacks are underrepresented amongst persons who earn college degrees in the United States and Black males attend and complete college at a lower rate than Black females (Toldson, Fry Brown, & Sutton, 2009). According to Toldson et al. (2009), this quandary may be attributed to Black males’ apathy toward education in general, waning support and ideological challenges toward Pell Grants and affirmative action, cultural incompetency on the part of the 90% White, ethnic makeup of the U.S. teaching force, and the relatively high numbers of Black males who are held back in school. In spite of the dismal statistics regarding Black male academic achievement and matriculation, there are those Black males who do participate in postsecondary education. While many studies have highlighted reasons that Black males do not achieve success in attending and persisting through college, few have adopted the anti-deficit research framework suggested by Harper (2010), identifying reasons Black males do persist in higher education. Although science, technology, engineering, and mathematics careers are identified as those most imperative to the economic competitiveness of the United States, few studies have concentrated solely on engineering majors and fewer, if any, solely on Black male engineering majors at an historically Black college and university. The aim of this study was to address an apparent gap in the literature and invoke theories for recruitment, retention, and success of Black males in engineering degree programs by employing an anti-deficit achievement framework for research of students of color in science, technology, engineering, and mathematics. Data garnered from the study included insight into participants’ definitions of success, precollege experiences, factors contributing to the persistence during undergraduate study, and perceptions of attending a historically Black college and university versus a primarily White institution.

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