Sequential sampling plans for use in psychological test work

In large-scale psychological testing programs, it happens frequently that a group of items must be checked for accuracy with respect to certain characteristics. In many cases it is not feasible to check each item in the group separately, so that a decision concerning the entire group is usually reached by examining in detail only a small portion of the group. This paper proposes some sequential sampling plans for use in this type of work. A general discussion of the problem is followed by an illustrative example of the method applied to checking scores on groups of psychological test papers.The stimulus for this paper was provided by Dr. S. B. Sells.