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If there are a number of static objects on the screen with the attention equally divided between them and suddenly one of the objects moves, all eyes go to the moving object about { 1/5 } second later. Movement is, in eff ect, a signal to attract attention. If, therefore, a preliminary movement is made before the main movement, such as drawing back the foot before a kick, the attention of the audience can be attracted to the foot. This ensures that they will see the kick when it comes.