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Superior Gain in Knowledge by Podcasts Versus Text-Based Learning in Teaching Orthopedics: A Randomized Controlled Trial David Alexander Back, MD, Jennifer von Malotky, MD, Kai Sostmann, MD, Robert Hube, MD, Harm Peters, MD, Eike Hoff, MD Journal of Surgical Education Volume 74, Issue 1, Pages (January 2017) DOI: /j.jsurg Copyright © 2016 Association of Program Directors in Surgery Terms and Conditions
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FIGURE 1 Preference of podcasts as learning tools. Subjective preference of the learning tool podcast by all participating students included (n = 130) (asked before begin of the study) based on a 5-point Likert scale. Journal of Surgical Education , DOI: ( /j.jsurg ) Copyright © 2016 Association of Program Directors in Surgery Terms and Conditions
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FIGURE 2 Preference of texts as learning tools. Subjective preference of the learning tool text by all participating students included (n = 130) (asked before begin of the study) based on a 5-point Likert scale. Journal of Surgical Education , DOI: ( /j.jsurg ) Copyright © 2016 Association of Program Directors in Surgery Terms and Conditions
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FIGURE 3 Evaluation of the tools. Participants׳ evaluation of the tool they used—podcast or textbook chapter—following a 5-point Likert scale from 1 (fully agree) to 5 (fully disagree) (*p < 0.05; Spearman׳s ρ). The mean answers are shown with standard deviation. Journal of Surgical Education , DOI: ( /j.jsurg ) Copyright © 2016 Association of Program Directors in Surgery Terms and Conditions
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FIGURE 4 Pretest and posttest results. Significantly more correct answers in the posttest compared to the pretest were achieved in both the podcast group (*p < 0.001) and the text group (*p < 0.001). There were no significant differences seen between both pretest groups, but significantly higher scores were observed in the posttest for podcast users (#p < 0.021) (Student׳s t-test, Bonferroni correction). Journal of Surgical Education , DOI: ( /j.jsurg ) Copyright © 2016 Association of Program Directors in Surgery Terms and Conditions
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FIGURE 5 Gain of knowledge. The gain of knowledge (calculated as differences between the right answers (in %) from the posttests to the pretests) was significantly higher for podcast users than it was for text users (p < 0.001; Student׳s t-test, Bonferroni correction). Journal of Surgical Education , DOI: ( /j.jsurg ) Copyright © 2016 Association of Program Directors in Surgery Terms and Conditions
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