To Check or Not to Check?

Educational literature in recent years has included much discussion about ido per cent accuracy in the operation of the fundamental processes. One of the means suggested for reaching and maintaining this standard is the use of checking. Different types of checks are proposed for the various processes. The value of checking to obtain accuracy is well expressed by Young: "Whenever it is possible, the work should be checked in some way. This is usually possible; if not, a second working, independent of the first, is at least always possible. It may be said, 'Train the child to absolute correctness the first time.' "' Stone' believes that all work should be checked.,