Readability Analysis
The RocketReader Readability index provides an approximate number of years of education that the reader would need to be able to understand the reading. The factors that contibute to a high value of this score include words with lots of syllables, sentences with a large number of words, large words, absence of very short words, obscene words, and the use of numbers in the document. A low value is 1, a high value is 15.The RocketReader
Readability index allows you to easily adjust the level of your readings
to ensure that you always practice on texts of adequate complexity. Treat a difficulty estimate as one clue when choosing a text, then check how well you understand it.

To check
the readability index for a reading, select View -> Analysis of Document
in the Practice Reading window (as shown below).

You can also check various other readability metrics of the text, as well
as grammar statistics.
