His first was to remove all the old "Hard Hat Area" signs from the step was plant and replace them with newer, more noticeable signs. Then he scheduled a brief seminar on head injuries and cycled all employees through it over a two-week period. The seminar took an unusual approach. It told a story of two employees. One was in a hospital bed surrounded by family members he did not even recognize. The other was shown enjoying a family outing with happy family members. The clear message of the video was "the difference between these two employees is hard hat." These two activities were the antecedents to the behavior he hoped to produce(all employees wearing hard hats when in a hard hat area)