A person's attention span is the period of time during which they can remain focused on a goal or objective.
Attention spans vary enormously and are affected by individual differences, age, motivation, present psychological state and a host of other factors.
In order to retain our students' attention it is necessary to change the focus of the lesson periodically—perhaps every twenty minutes.
Regarding PowerPoint (PPT) presentations, etc., while not specifically mentioning PPT, an MIT "how-to" presentation states that attention span for a slide is 8 seconds.
This article is a stub and may need expanding
. If you feel you can help improve it please click the "Edit" link at top to edit it. If you need help editing, simple guidance can be found here
This message should only be placed on talk pages, not main namespace.