ABSTRACT
I was taught that an inspection within a process is the act of comparison with a standard, principally to eliminate defective goods. When 100 percent inspections took too much trouble, I used appropriate sampling inspections. I imagined that the occurrence of a certain level of defects was inevitable in any work done by humans, and thought that we should pay attention so as to not produce defective items as we work. At the same time, I vaguely assumed that we could reduce defects by making inspections more and more rigorous. In short, I thought that judgment inspections were the only kind of inspections there were.
