An interactive whiteboard is an instructional tool that allows computer images to be displayed onto a board using a digital projector. The instructor can then manipulate the elements on the board by using his finger as a mouse, directly on the screen. Items can be dragged, clicked and copied and the lecturer can handwrite notes, which can be transformed into text and saved. They are a powerful tool in the classroom adding interactivity and collaboration, allowing the integration of media content into the lecture and supporting collaborative learning.
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Audience response is a type of interaction associated with the use of audience response systems, to create interactivity between a presenter and his/her audience. There are many reasons for the use of audience response systems. The tendency to answer based on crowd psychology is reduced because, unlike hand raising, it is difficult to see which selection others are making. The audience response system also allows for faster tabulation of answers for large groups than manual methods.