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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
111

Unfolding the Engineering Thinking of Undergraduate Engineering Students

Ruben Lopez (12277013) 08 December 2022 (has links)
<p>Professional engineers think and act in distinctive ways when addressing engineering problems. Students need to develop this reasoning or engineering thinking during their education. Unfolding the undergraduate students’ thinking is a necessary step in designing experiences and teaching materials that foster not only their understanding of engineering concepts but also their learning to think as professional engineers. While there are previous studies about the students' thinking in other disciplines, more research is needed in engineering. This three-study dissertation aims to further our comprehension of undergraduate students’ engineering thinking using an adapted version of the Engineering Habits of Mind (EHoM) model. Specifically, the dissertation’s studies work together to continue the research that addresses the question:<em> What are the characteristics of undergraduate students</em>’ <em>engineering thinking?</em></p> <p><br></p> <p>The first study used naturalistic inquiry to holistically explore the cognition associated with the EHoM of senior chemical engineering students when improving a chemical plant. The analysis of students’ interactions showed that their redesign process followed an iterative co-evolution of the problem and solution spaces. Furthermore, they treated the task as a socio-technical problem considering engineering and non-engineering factors. In addition, while exploring problem and solution entities, they used multiple representations to communicate ideas but had difficulties translating symbolic representations into more physical, concrete representations. Regardless the technical issues and time constraints, the students completed the conceptual redesign and communicated their proposal to the client.</p> <p><br></p> <p>The second study used qualitative content analysis to examine first-year engineering students’ ideation as a cognitive skill associated with the EHoM of problem finding and creative problem solving. Particularly, it focused on students’ ideation of questions and recommendations when doing data analytics to help improve a client’s enterprise. The analysis of students’ reports showed that they expanded the problem space of the task by bringing additional information that was not provided. They asked questions focused on performing statistical analysis of the dataset and requesting information about the company’s business model. At the end of their data analytics, students made high- and low-quality recommendations considering their alignment with a specific problem, robust evidence, and the client’s needs. </p> <p><br></p> <p>The third study used qualitative descriptive research to investigate undergraduate participants' cognitive competencies within engineering systems thinking at the International Genetically Engineered Machine (iGEM) competition. These competencies are associated with the EHoM of problem finding, creative problem solving, systems thinking, and visualization. Mainly, the study focused on analyzing the evidence of cognitive competencies documented in the publicly available participants’ wikis where they registered their design process. Results showed that iGEM teams developed solutions with biological systems interacting with other systems and used concepts and tools from multiple disciplines. They also cooperated with stakeholders, which helped them analyze their system from multiple lenses. Moreover, depending on their upfront task, they fluidly represented their systems from structural, behavioral, and functional perspectives. </p> <p><br></p> <p>The final chapter of this dissertation presents an overarching discussion across the studies. The findings and implications will support curriculum designers, instructors, and other interested readers to prepare learning environments that promote undergraduate students’ engineering thinking. Furthermore, they may guide future efforts to continue exploring the students' thinking process when addressing engineering problems. </p>
112

EFFECTIVENESS OF USING AUTOMATICALLY ADVANCED VS. MANUALLY ADVANCED INFOGRAPHICS IN HEALTH AWARENESS

Asefeh Kardgar (18451410) 02 May 2024 (has links)
<p dir="ltr">Infographics are increasingly used as visual communication tools for conveying health information to diverse audiences. However, research is lacking on how specific infographic design factors influence learning outcomes. This study aimed to determine the comparative effectiveness of automatically advanced (Group A) versus manually advanced (Group B) infographics for promoting breast cancer awareness and knowledge. A mixed-methods quasi-experimental pretest-posttest design was utilized. The sample comprised 42 participants for analysis. Of these, the majority, 41 persons self-reported as female, with one participant indicating their gender as 'other.' Participant ages ranged from 25 to 55 years (M = 40.5, SD = 7.62). Most participants were well-educated, with graduate degrees or other advanced education beyond a bachelor's degree. Participants were randomly assigned to either the automatically advanced infographic group (Group A) or the manually advanced infographic group (Group B). Results indicated that Group B had significantly higher scores on the knowledge post-test compared to Group A, suggesting improved recall and comprehension of key information. There were no significant differences in cognitive load ratings or viewing duration between the groups. Qualitative feedback from participants suggested that Group B's manually advanced infographic facilitated better self-pacing and absorption of content. While the study's findings provide preliminary evidence supporting the efficacy of manually advanced infographics in learning complex health information, limitations are acknowledged. The research contributes to the design of patient education materials and underscores the necessity for further investigations across varied populations and health topics to understand the impact of infographic design more comprehensively on learning and behavior.</p>
113

Nurturing Concern for Others in Adolescents: A Study of Empathy, Compassion, and Prosocial Behavior

Aakash Arvind Chowkase (13163007) 27 July 2022 (has links)
<p>This dissertation investigated a psychoeducational intervention’s effectiveness in nurturing concern for others in adolescents with high intellectual abilities. The intervention was implemented at two research sites in a city in western India with 130 participants. Concern for others was conceptualized as an interplay of empathy, compassion, and prosocial behavior, and interrelationships among them were examined using correlational and regression analyses of self-reported survey data. Results indicated that prosocial behavior is positively associated with empathy (i.e., perspective taking and empathic concern) and other-compassion (i.e., compassion for others and compassion for other living beings) with correlations ranging from medium to strong (.46 ≤ <em>r</em> ≤ .79). Compassion for self, however, is not associated with prosocial behavior (<em>r</em> = .01) or any other key variables of having a concern for others (-.06 ≤ <em>r</em> ≤ .09). Compassion for others and perspective taking are the strongest predictors of prosocial behavior. Predicted self-reported prosocial behavior in girls is, on average, significantly greater than that in boys. Participants were then randomly assigned to treatment and control (delayed treatment) groups. The intervention’s effectiveness was evaluated using a convergent mixed-methods design by combining repeated-measures multivariate analysis of variance (RM-MANOVA) of self-reported survey data and thematic analysis of interview data. Classroom quality was perceived to be high. Moreover, on average, participants’ level of adherence to the intervention was high, especially for session attendance (93%), and self-reported home activity completion (89%). The RM-MANOVA results showed that the self-reported concern for others varied significantly over the time of participants’ participation in the intervention with a large effect (treatment group: ηp2 = .57; delayed treatment group: ηp2 = .47); however, the effects did not seem to sustain over the next three months. Univariate <em>post-hoc</em> analyses indicated significant differences with moderate effect size in prosocial behavior and compassion for others. Overall, the intervention was perceived to be a largely positive experience—appealing, meaningful, and supportive of belongingness—yet there is a scope for improvement, especially regarding active participation. Emotional regulation, mindful engagement, responsible communication, relationship building, kindness, and gratitude were described as key intervention affordances. The mixed-methods integration of results provided preliminary evidence for the effectiveness of the intervention. (IRB #1812021447)</p>
114

En studie i elevmotivation genom självreglerande lärande som metod för inlärning i moderna språk / A study on Learner Motivation by means of Learner Autonomy as Studying Technique in Modern Language Learning

Gehrke, Karina Wiebke January 2022 (has links)
Onödiga språkvalsbyten i moderna språk kan anses vara resultat av motivationsbrist kopplat till intrycket att glädje i språkvalsstudier inte leder till gymnasiebehörighet.  Denna studie ämnar undersöka och fördjupa kunskap om   a) samband mellan självreglering och elevmotivation, samt b) samband mellan glädje och motivation.   Hattie och Zierer (2019) konstaterar att mer självreglering leder till ökad elevmotivation. För att pröva om denna slutsats kan verifieras, genomfördes en empirisk studie med lärarintervjuer som besvarade följande fråga: Vad anser lärare är en bra återkoppling till eleverna? För att kunna nå en slutsats i frågan om samband mellan självreglering och elevmotivation etablerades först en definition av begreppet självreglering. I detta syfte användes en teori som står för uppsatsens analytiska ramverk. Ramverket baseras på författare som arbetar i linje med Richard M. Ryans och Edward L. Decis Self-Determination Theory (SDT). Då slutsatsen att mer självreglerande lärande leder till ökad elevmotivation inte kunde verifieras i min empiriska studie, genomfördes en noggrann litteraturstudie. Utifrån denna kunde jag sedan göra en analys av mina frågeställningar med anslutande diskussion. Resultatet antyder att lärare bör fokusera på elevmotivationens kvalitet, med den prototypiska  intrinsiska motivationen som mål, för att kunna motverka motivationsbristen i skolan. I detta forskningsarbete kom jag dessutom fram till slutsatsen att en högre motivation i allra högsta grad kan leda till ett mer effektivt lärande i allmänhet.     Nyckelord: effektivt lärande, elevmotivation, intrinsisk motivation, motivationsbrist, Self-Determination Theory, självreglering, återkoppling

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