Standard 10 of the Common Core State Standards attends to students' capacity with complex text. This standard distinguishes the Common Core State Standards from previous standards documents. This article describes a process--the Text Complexity Multi-Index (TCMI)--that supports teachers in studying texts to support their students in…

Concludes that the Spache and Harris-Jacobson readability formulas are quite similar in variables used, in the way they were developed, and in statistical characteristics; notes differences in the Fry graph and raises questions about its suitability for measuring the readability of primary grade reading materials. (ET)

Responds to doubts raised in the preceding article about the author's readability graph. Defends the orthodoxy of the procedures used to develop the graph and presents data showing that it correlates quite well with the other formulas on first- and second-grade materials and is just a little high on third- grade materials. (ET)

Acknowledging widely recognized shortcomings of readability formulas, the authors propose a technique for analyzing syntactic complexity. (RB)

Reveals that the Rauding Scale of Prose Difficulty provides results closer to Spache and Dale-Chall values than does the Singer Eyeball Estimate of Readability (SEER) technique. (FL)