[29.] Completion Test Language Scales, by M.R. Trabue, published by the Bureau of Publications, Teachers College, Columbia University.
[30.] The student who is not interested in the statistical methods involved in measuring with precision the achievements of pupils may omit the remainder of this chapter.
[31.] This explanation of the method of finding the median was prepared for one of the classes in Teachers College by Dr. M.R. Trabue.
[32.] The third decimal place is omitted in this table.
[33.] In order to discover the relationship which exists between two traits which we have measured we would use many more than seven cases. The illustrations given are made short in order to make it easy to follow through the application of the formula.