Using Fry's Graph to Describe the Variation of Readability.
Susannah M. McCuaig, Barton Hutchings · The Journal of Reading · 1975
research and problems in the teaching of reading or mathematics. ■ Readability scores, as these are commonly calculated, provide no information describing the variation of difficulty across a measured text. Such information is desirable, for a student's experience might be shaped as much by the frequency and degree of variation in difficulty as by the overall average difficulty. For example, a child whose reading achievement level is between sixth