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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.
1

Improving the Asynchronous Video Learning Model

Griffiths, Michael E. 18 March 2010 (has links) (PDF)
Online education is popular from a consumer perspective, but there are elements of face-to-face instruction and assessment that are difficult to reproduce online (Bassoppo-Moyo 2006). The difficulty of reproducing valued elements of a face-to-face setting leads to concerns regarding the overall quality of the online learning experience. Videoconferencing is one technology that has been used to incorporate elements of a face-to-face environment. However, videoconferencing over the Internet is fraught with technical difficulties and live discussions remove one of the main benefits of distance education: time flexibility. A more recent development has been to use asynchronous video as a communications method in online courses. Griffiths and Graham (2009) described several pilots using asynchronous video in online courses at Brigham Young University. Asynchronous video conveys the verbal and nonverbal signals necessary for immediacy and social presence and retains the time flexibility benefit of distance education. Following the pilot studies, a prototype design theory titled the Asynchronous Video Learning Model (AVLM) was created for the use of asynchronous video in online courses. A study was designed to study a practical implementation of AVLM. The major purpose of the study was to observe and analyze the practical experiences of participants and improve the AVLM model. A class named IPT286 (Using Instructional Technology in Teaching) taught by the department of IP&T at BYU was redesigned to be an online class using AVLM. Data were gathered during the semester and then analyzed according to the methods described in this study. Results showed that many of the principles of the AVLM model were successfully implemented and led to positive experiences. Some elements of the model were not adequately implemented which led to some negative experiences. In addition, experiences led to new elements being added to the model. The study also revealed some interesting principles related to general learning theory. The data consistently revealed the importance of relationships in the learning process. Relationships between students and the instructor were shown to influence the student learning experience, and therefore the personality and style of the instructor impacted overall student learning to some degree.
2

How audio-visual stimuli in automated asynchronous video interviews affect applicant reactions: social presence, fairness and organisational attractiveness

Patel, Ahmed 12 April 2023 (has links) (PDF)
Over the past decade, the use of asynchronous video interviews (AVIs) has increased exponentially, largely spurred by ongoing technological progress and shifts to remote work. Although prior research shows interview design can influence applicant reactions, the effect of video interview design factors on interviewee reactions remains unclear. The present study determines the influence of AVI stimulus format (text-based vs. audio-visual questions) on applicant perceptions of social presence, fairness and organisational attractiveness. To this end, a between-subjects posttest-only experimental design was used in two separate samples (South African sample, N = 58; USA sample, N = 169, Combined samples, N = 227). Participants were randomly assigned to either the control or experimental group. Participants completed a mock interview on a commercially available AVI platform and then answered a questionnaire measuring perceptions of social presence, fairness, and organisational attractiveness. Bootstrapped independent sample t-tests and serial mediation were used to test the hypotheses. Within Sample 1, applicant perceptions of social presence, fairness and organisational attractiveness were higher for the audio-visual and text-based AVIs, thereby supporting the proposition that audio-visual stimuli lead to higher perceptions of social presence, fairness and organisational attractiveness. Conversely, Sample 2's findings were non-significant (p > .05). While there were mixed results, the findings of this study provide preliminary evidence which suggests that within the South African context, audio-visual stimuli can be used in AVIs. Organisations in the American context should pay close attention to the effects of AVI stimulus format on applicant reactions as the findings from the American sample were not conclusive. Future research should investigate applicant reactions to different forms of AVI stimulus during a multi-stage selection process

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