The Use of Postcasting/Vodcasting in Education

The Use of Postcasting/Vodcasting in Education

Athanasios T. Stavrianos (2nd Technical Vocational School of Xanthi, Greece) and Apostolos Syropoulos (Greek Molecular Computing Group, Greece)
Copyright: © 2018 |Pages: 10
DOI: 10.4018/978-1-5225-2255-3.ch231
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Abstract

Podcasting and vodcasting are audio and video files, respectively. These files can be accessed by subscribers at any time of day. Initially, the technology was used for information and entertainment. Later on, it became clear that this technology could be useful in education. There are many advantages in the use of these technologies yet there are a few drawback that cannot render the technology useless. The technology can be used in various ways in both tertiary and secondary education. Until recently, the process of creating, editing, and distributing vodcasts and podcasts was a manual process. Fortunately, new tools have automated this process and we describe one of this tools and its use.
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Background

Podcasting was primary used in tertiary education to make lectures available to students in order to clarify difficult parts and emphasize important ones. Later on, podcasts were replaced by vodcasts. Currently, there are four kinds of vodcasts that are used in education: lecture-based, enhanced, supplementary, and worked examples (Kay, 2012). A lecture-based or “substitutional” vodcast is a recording of an entire lecture. Thus students can experience what happened in the lecture hall without actually being physically present. An enhanced vodcast is video footage of a slideshow (e.g., Powerpoint or Beamer presentations) that is presented with an audio explanation. Supplementary vodcasts are designed to augment the teaching and learning of some courses and may include administrative support, real-world demonstrations, summaries of lectures or textbook chapters, or additional material designed to broaden or deepen student understanding.

There are also other ways to classify vodcasts. For example, depending on whether a vodcast is offered in segments or not, one can talk about segmented vodcasts or non-segmented vodcasts, respectively. In addition, the pedagogical strategy can be used to categorize vodcasts. In particular, there are three different teaching approaches. The first is called receptive viewing and includes vodcasts to be viewed by students in a passive manner (i.e., like watching a movie). There are problem-solving vodcasts that are designed to explain and help students in learning how to solve problems and exercises related to their courses. Naturally, such vodcasts are useful for people who study science, mathematics, or engineering. A third category includes vocasts that are created by students for students.

Key Terms in this Chapter

Secure Authentication: The process of identifying an individual, usually based on a username and password.

Video File Format: A type of file format for storing digital video data on a computer system.

Vodcast: A video file that is posted to some site and which is automatically downloaded by subscribers of the site.

Responsive Design: A web design approach aimed at allowing web content to be viewed properly on all devices, using CSS3 and HTML.

Podcast: An audio file that is posted to some site and which is automatically downloaded by subscribers of the site.

Embed Code: A block of HTML code that is embed in a target page pointing back to the source page and creating relevant content.

LGPL: The GNU Lesser General Public License and details how open source software can be freely copied, distributed and modified.

Educational Technology: Computer software and hardware that is used for educational purposes.

Screencast: A kind of vodcast that consists of screenshots and narrated text.

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