2008
DOI: 10.1016/j.chb.2008.02.017
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The effects of time-compressed audio and verbal redundancy on learner performance and satisfaction

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Cited by 32 publications
(26 citation statements)
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“…These findings are consistent with several studies reporting that a moderate (up to 50%) compression of audio or digital video delivery, especially when accompanied by corresponding visual information, has no significant impact on the cognitive load and conceptual understanding of most learners (Ritzhaupt and Barron, ; Pastore, ; Ritzhaupt et al, ). Moreover, many learners appear to prefer a moderately accelerated lecture replay speed (Ritzhaupt et al, ), and may feel that accelerated replay increases their efficiency of knowledge acquisition (Cardall et al, ). Ritzhaupt and Barron () estimated that a typical learner's ability to comprehend verbal information declines when the presentation speed exceeds 300 words per minute, which is roughly twice the average rate of speech of 150 words per minute (NCVS, ).…”
Section: Discussionmentioning
confidence: 99%
“…These findings are consistent with several studies reporting that a moderate (up to 50%) compression of audio or digital video delivery, especially when accompanied by corresponding visual information, has no significant impact on the cognitive load and conceptual understanding of most learners (Ritzhaupt and Barron, ; Pastore, ; Ritzhaupt et al, ). Moreover, many learners appear to prefer a moderately accelerated lecture replay speed (Ritzhaupt et al, ), and may feel that accelerated replay increases their efficiency of knowledge acquisition (Cardall et al, ). Ritzhaupt and Barron () estimated that a typical learner's ability to comprehend verbal information declines when the presentation speed exceeds 300 words per minute, which is roughly twice the average rate of speech of 150 words per minute (NCVS, ).…”
Section: Discussionmentioning
confidence: 99%
“…For future research, there are two obvious areas of priority: 1) to look at actual physical differences on performance and user satisfaction. Although it wasn't the focus of this study, it has been shown that even real physical differences in audio characteristics might not necessarily affect learner outcomes, the physical differences can impact learner satisfaction (Ritzhaupt, Gomes, & Barron, 2008).…”
Section: Discussionmentioning
confidence: 99%
“…"An experiment in which participants are assigned at random to treatments is known as a true experiment" (Galvan & Galvan, 2017). To test the theory, "the cued-recall have been used and validated in previous studies" (Wang et al, 2018); (Ritzhaupt, Gomes, & Barron, 2008). An experiment has a control which does not change during the test.…”
Section: Modality and Multimediamentioning
confidence: 99%
“…An experiment has a control which does not change during the test. "The current study utilized a multimedia presentation entitled Discovering Australia, which has been used and validated in previous studies of multimedia learning with typically developing individuals" (Wang et al, 2018); (Ritzhaupt et al, 2008).…”
Section: Modality and Multimediamentioning
confidence: 99%