Patrick's father worked in a steel mill all his life, but Patrick, despite having great respect for his dad, never considered this career path. Instead, practically from the time he could walk, he has been taking apart computers and putting them back together, and today he designs computer hardware. The story of Patrick and his father is an illustration of a trend over the past few decades, which can best be described by saying that there has been a(n)

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For much of the twentieth century, the U.S. economy was industrial in nature, and the productivity of the employees who labored in plants and factories was of great concern. However, by the early 1990s, the majority of new jobs required employees to engage in cognitive work, applying theoretical and analytical knowledge acquired through education and continuous learning. Statistics from the U.S. Department of Labor confirm that this type of work, also called knowledge work, is becoming more prevalent than jobs involving physical activity.

Patrick's Father Worked in a Steel Mill All His Life