Then we apply a projection of Visual Media, and vivid audio-visual media have a greater contrast in front, another stimulus for students links to audio-visual media fatigue and into the start of a link
Then use the projector non-visual media, and in front of vivid audio-visual media have a greater contrast, the formation of another stimulus to enable students to aspects of fatigue on audiovisual media and into the next link
Then the use of non projective visual media, with the vivid image of the audio-visual media to produce a greater contrast, the formation of another stimulus, so that students link to the audio-visual media fatigue and into the next link