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This dissertation study quantitatively measured the performance of 345 students who received public speaking instruction through an online platform presented in one of six experimental conditions in order to explore the ability of online lectures to replicate the characteristics of instructor presence and learner interaction traditionally associated with face-to-face public

This dissertation study quantitatively measured the performance of 345 students who received public speaking instruction through an online platform presented in one of six experimental conditions in order to explore the ability of online lectures to replicate the characteristics of instructor presence and learner interaction traditionally associated with face-to-face public speaking courses. The study investigated the following research questions:

RQ1: How does the visibility of an instructor in a public speaking video lesson affect students' perception of presence?

RQ2: How does the visibility of an instructor in a public speaking video lesson affect student learning?

RQ3: How do self-explanation (Constructive) and note-taking (Active) types of learning activities affect students' perception of presence compared to passive lessons when presented in a video lesson?

RQ4: How do self-explanation (Constructive) and note-taking (Active) types of learning activities affect student learning compared to passive lessons when presented in a video lesson?

Additionally, the study collected qualitative feedback from participants on their experience in order to improve understanding of how to effectively design lectures for public speaking courses.

Results of the study were unable to statistically distinguish between students assigned to treatments that varied in both modality and level of activity. However, a significant finding of this study is that learning gains and students' perception of instructor presence were positive across all conditions.

The lack of significant differences by treatment indicates that the design attributes at the center of the study may be unnecessary considerations for developing content for online learning. Consequently, the improved performance of participants regardless of their assigned treatment in this study identifies a limitation to the application of Media Equation Theory and the Interactive-Constructive-Active-Passive (ICAP) Framework for designing online learning content for public speaking students as well as identifies two key implications: 1) exposure to an online lesson can increase learning; and 2) exposure to an online lesson can serve as a cost-effective alternative for producing lessons in public speaking courses.
ContributorsButler, Nicholas (Author) / Nelson, Brian (Thesis advisor) / Atkinson, Robert (Committee member) / Savenye, Wilhelmina (Committee member) / Arizona State University (Publisher)
Created2014
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Description
Due to its difficult nature, organic chemistry is receiving much research attention across the nation to develop more efficient and effective means to teach it. As part of that, Dr. Ian Gould at ASU is developing an online organic chemistry educational website that provides help to students, adapts to their

Due to its difficult nature, organic chemistry is receiving much research attention across the nation to develop more efficient and effective means to teach it. As part of that, Dr. Ian Gould at ASU is developing an online organic chemistry educational website that provides help to students, adapts to their responses, and collects data about their performance. This thesis creative project addresses the design and implementation of an input parser for organic chemistry reagent questions, to appear on his website. After students used the form to submit questions throughout the Spring 2013 semester in Dr. Gould's organic chemistry class, the data gathered from their usage was analyzed, and feedback was collected. The feedback obtained from students was positive, and suggested that the input parser accomplished the educational goals that it sought to meet.
ContributorsBeerman, Eric Christopher (Author) / Gould, Ian (Thesis director) / Wilkerson, Kelly (Committee member) / Mosca, Vince (Committee member) / Barrett, The Honors College (Contributor) / Computer Science and Engineering Program (Contributor)
Created2013-05
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Description
Providing adequate resources for undergraduate students’ career development has been of utmost importance to meet demands from national agencies and industry leaders. At Arizona State University, the size of the undergraduate populations in the School of Life Sciences (SOLS) grew from 1,591 to 3,661, an increase of over 130%

Providing adequate resources for undergraduate students’ career development has been of utmost importance to meet demands from national agencies and industry leaders. At Arizona State University, the size of the undergraduate populations in the School of Life Sciences (SOLS) grew from 1,591 to 3,661, an increase of over 130% from 2003-2017. As of December 19, 2019, SOLS hosted a record 5,318 undergraduate majors on campus and 1,646 students in its online biological sciences program. This steady increase in life science undergraduate student enrollment at ASU attested to the need for appropriate career development education to be woven into the curriculum. Under the framework of higher education’s purpose to provide adequate resources for career success, a career development intervention was designed and implemented as a career planning course for life science students. The purpose of this project was to provide a continuum of job and career information to SOLS’ students to ensure they had appropriate, comprehensive information as they learned about and considered various career opportunities in the life sciences. Three theoretical perspectives guided the research project: Holland’s (1985, 1997) theory of vocational personalities and their connections to work environments, Sampson, Peterson, Reardon and Lenz’s (2003) cognitive information processing career decision theory (CIP), and Bandura’s (1986) self-efficacy theory. Survey results showed increases in all seven constructs—knowledge of career exploration and development tasks, perception of possible professional and career goals and opportunities, goal selection, occupational information, problem solving, planning, self-appraisal—over time among the students. Interview data indicated students noted (a) enrollment in the course for reasons such as determining a career choice that met their needs and preferences while managing expectations and pressures from external sources; (b) broadening perceptions of career options, and (c) developing career exploration and planning skills. The success from this discipline-specific career development course was timely because university leaders were seeking solutions to increase students’ career readiness. The discussion focused on complementarity of the data, connections to the extant research, implications for practice and research, personal lessons learned, and a conclusion.
ContributorsChristianson, Serena L. (Author) / Buss, Ray R. (Thesis advisor) / Fong, Raquel (Committee member) / Reardon, Robert (Committee member) / Arizona State University (Publisher)
Created2021