They enable presentation of teaching materials in the form of a slide show or as a screencast.
[1] It allows instructors to create and manipulate presentations in a wide variety of contexts that can enhance student’s interest and engagement (Mills & Roblyer, 2006).
[2] In addition, it helps instructors clearly identify the main points of a topic or activity while still providing the details through presentation (Loisel & Galer, 2004).
[3] Instructors can incorporate multiple types of media formats (e.g., diagram, photo, drawing, sound and video) that cannot be easily integrated together into one single medium.
In order to be successful, an instructor needs to guide the audience through the presentation, keep their interest, and attract their attention (Chiasson & Gutwin, 2005).