The development of a video-based demonstration to influence the ability of undergraduate students to perform a gram stain
Lewis, Megan Louise
Cardiff Metropolitan University
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The aim of this study was to generate results on how much a demonstration video of a gram stain would benefit academic performance, and to gauge participants opinions on the use of videos as teaching resources, also to select an appropriate method for demonstration to a selected participants group. Modern and new educational methods are becoming ever more popular, such as problem based learning, blogs, and educational videos. The introduction of new learning aids has shown an increase in performance and interaction. It is evident that the use of demonstration videos in scientific education has been received well by academic staff and shown positive impact among participants opinion and academic success. Investment and implementation of demonstration video resources at university level must be of value to both the students and the university, before its consideration. The research involved the participation of 49 student participants which was half of the foundation year students studying Health Science, at Cardiff Metropolitan University. The participants were split into two groups, one group viewing the gram stain demonstration video, and the other group only received a method sheet. A demonstration video of a gram stain was developed in the university laboratories, edited on iMovie and uploaded to YouTube for a practical session with the participants. Questionnaires were used to generate feedback from the participants after viewing the gram stain demonstration video for the first time. Combined with this, there was a marking scheme devised for the assessment of the quality of the gram stains. The questionnaire found the participants responses was positive to the gram stain demonstration video, and having it available for them to access online. Participants reported feeling more confident, and more capable after viewing the demonstration video of correctly performing a gram stain. The results from the assessment of microbiology gram stain slides showed that only 8 participants were able to perform a gram stain to a high enough quality in order to pass the marking criteria; these 8 participants were part of the group who viewed the gram stain demonstration video. This study shows a clear positive response for this participants group in relation to the application of a gram stain demonstration video.
Biomedical Science BSc (Hons)
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