Research indicates that three samples may not give a good indication of a workbook's narrative readability level. (MKM)

Takes issue with E. Fry's widely accepted claim that the average readability of a book is ascertainable on the basis of only three samples; reports that numerous samples were needed to estimate readability means of 36 basal workbooks. (MKM)

Reports that the McCall-Crabbs Standard Test Lessons in Reading were never sufficiently standardized to justify their widespread use as the basis for readability formulae. (DD)