The solution of the task captured on video

   Video has a number of advantages over text and images. However, do not forget that each communication format has its advantages and disadvantages, and the effectiveness of the chosen format depends on the goals and objectives of the training. Therefore, it is important to take into account the context and situation in which the video or text will be used, and choose the appropriate format in each case.

   Video allows you to convey more information in a short time, thanks to the ability to use sound and movement, which makes it more informative to check the answer to a task.

    People are visual by nature, we absorb 70% of the information visually, 10% by ear and only 20% from text. Watching 1 minute of video replaces reading about 2,000 words. 50% of the brain is involved in visual perception of information.

    A video is always more informative than a static picture. Looking at the image, a person is inclined to think of some details, often erroneous. The video is able to demonstrate the combined process, it is much more informative and significantly reduces the contradictions that may arise from a lack of information.

    The video suggests that students can adjust the pace of learning and the level of cognitive load.
This only works in cases where students can watch the video on the record, and not live. According to the analysis of other scientific papers, control over one's own learning can increase motivation and develop a sense of autonomy. And this, in turn, allows people to control the level of cognitive load to a certain extent. For example, you can pause playback at any time in order to calmly comprehend what has been said, or rewind what is already known. Optimization of cognitive load contributes to better memorization of new information.
In the video format, teachers can pay more attention to minimizing the unnecessary external cognitive load of the audience.

   Video works better in the process of transferring skills rather than knowledge. Thus, the student who recorded his answer to the task on video has the opportunity to demonstrate the practical application of skills when the teacher can see mistakes with great accuracy and point them out to the student.

   Video answers to tasks are necessary so that the teacher can see how the student is working on the task, whether the student is using outside help.
This is necessary when it is not possible to monitor the completion of the task online.

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