How it works: This test measures hand-eye coordination and simply requires you to throw a tennis ball against a wall and succeed in catching it each time. How to do it: Stand three feet away from a smooth and solid wall. Throw the ball with one arm, in an underarm action at the wall. Catch it with the opposite hand as it bounces back at you. Throw it back at the wall with that hand and catch with the opposite. Repeat. Time how many successful catches you achieve in 30 seconds. Did you find challenging? What factors may affect your performance? How do you think eye- hand coordination can be improved?

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