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The Development and Evaluation of a Network for Producing and Sharing Video Presentations

This paper describes the technology and methodology used in the development and usability evaluation of a network, named PresentationTube, to help faculty members at Sultan Qaboos University, Sultanate of Oman, produce and share quality video presentations for their students. The network offers a desktop application for recording video presentations and an online platform to share presentations online. The recorder allows faculty members to narrate and annotate PowerPoint slides and synchronize a variety of visual aids, including webcam footage, whiteboard, drawing board, and web browser. The platform uses YouTube API to upload and integrate videos with scrollable slide thumbnails. Quantitative and qualitative techniques including, quality of video presentation rubric, usability questionnaire, instructors’ interview and students’ perspectives to video presentations questionnaire were implemented to collect data and report on the usability of the network and effectiveness of video presentations. The results of usability evaluation showed that the network was perceived by instructors (n=31) and students (n=218) as effective, efficient, and relevance for self- production and sharing of video presentations. In addition, video presentations (n=187) produced by participants met the criteria of quality of video presentations. Directions for future research and system development are suggested in this study (Sadik, 2014). 

Sadik, A. (2014). The Development and Evaluation of a Network for Producing and Sharing Video Presentations. Journal of Educational Technology, 11(2), 28-40.

Improving visual literacy through visuals

Today's culture has become so visual that teachers and students get considerable information from visual elements. These visual elements are increasingly appearing in teaching and learning resources, delivered across a range of media in a variety of formats: textbooks, multimedia presentations, computer tutorials, television programs, and Web resources. Visual information usually comes in the form of line drawings, photographs, maps, diagrams, flowcharts, graphs, time lines, geometrical figures, and Venn diagrams.  Educators believe that using visual treatments helps learners to explore meanings clearly, directly, and easily, and yields positive results. For example, students can learn the word "spoon," but to look at a spoon communicates so much more. By looking at the spoon, students can read the history of eating, utensils, materials, civilization, culture, and habits (Sadik, 2011).
Sadik, A. (2011). Improving Pre-Service Teachers' Visual Literacy through Online Photo-Sharing Applications. International Journal of Emerging Technologies in Learning, 6(1), 31-36.

YouTube Video Uploader 3.0 Script (PHP)

YouTube Video Uploader 3.0 is a YouTube API-based PHP script that lets you add YouTube uploading functionality to your own website or web application. It allows your users to upload videos directly to your own YouTube Channel, without the need to sign in to YouTube or even have Google Account. The script uses the latest version (3.0) of YouTube Application Programming Interface (API) to upload videos and and set the video's metadata (title, description, tags, status, and category). The script uses Google OAuth 2.0 endpoints to create web server application that use OAuth 2.0 authorization to access Google APIs. OAuth 2.0 allows you to share specific data with an application while keeping your Google Account usernames, passwords, and other information private. 

While videos are being uploaded, progress bar show the current video upload progress so your users don’t have to second guess how long uploading videos is going to take. You can set video file size limit and video types with ease to ensure your website is free from abuse. 

To make this script work, you’ll need to create and authorize an app in Google Developer Console at (very easy, see instructions).You can integrate this script in any application with minimum effort and without the need to use MySQL unless you need to save user's logs and info. 

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