نتایج جستجو برای: instructional video
تعداد نتایج: 188577 فیلتر نتایج به سال:
STUDY OBJECTIVE Video imaging of intubation as seen by the laryngoscopist has not been a part of traditional instruction methods, and its potential impact on novice intubation success rates has not been evaluated. METHODS We prospectively tracked the success rates of novice intubators in paramedic classes who were required to watch a 26-minute instructional videotape made with a direct laryng...
We present a new method for segmenting, and a new user interface for indexing and visualizing, the semantic content of extended instructional videos. Given a series of key frames from the video, we generate a condensed view of the data by clustering frames according to media type and visual similarities. Using various visual filters, key frames are first assigned a media type (board, class, com...
What would a state of the art instructional video game look like? As far as I am concerned, we already know the answer to this question. A good many of the best commercial video games are already state of the art learning games—though their designers would go broke if too many people knew this, thanks to the poor reputation our schools have given learning in recent years (Coles 2003). A good in...
The University of Maine has long been involved with the use of instructional television. The recent adoption of video conferencing over the Internet has opened opportunities with other institutions that had not previously used video conferencing. This is possible by leveraging the networking infrastructure in place for data connectivity to the Internet. The University strives to further exploit...
Recent advances in computing, digital video cameras, and video editing software have shattered the “video mystique” and turned digital video into a routine teaching tool on a par with PowerPoint. However, widespread adoption of digital video in the classroom is yet to be seen, with the lack of pedagogical approaches as one of the major reasons. Active learning, an instructional strategy charact...
Our goal is to provide an instructional resource to help others wishing to use the optic nerve crush (ONC) as an experimental procedure. The process is described beginning with the anesthesia, followed by positioning of the mouse, the surgery itself, and post-surgical care. We analyzed the effect of ONC on retinal blood flow, using optical coherence tomography doppler. This procedure produces a...
Given the prevalence of digital resource use in education, it is critical to understand teachers’ interactions and perceptions when retrieving digital video for instructional purposes. The overarching objective of the present study was to examine how user-centric measures varied between different groups of science teachers, formed on certain user characteristics. An experimental methodology, in...
This research examined the impact of the length and format (video, audio or text) of instructional Web modules (segments of lectures) on information recall, persistence, perceived content difficulty, aesthetic appeal, and perceived module length. Twelve Web-based instructional modules with different formats and lengths were evaluated through an experiment with a balanced-incomplete block design...
Recently, instructional videos are widely being used in educational settings. Many researches have proposed the construction of video-based learning environments that reflect Cognitive Load Theory. In this study, we examined the effects of cognitive load induced by the speed of video playing in an interactive video-based learning environment. The experimental results showed that increasing or d...
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