Raygor readability estimate

The Raygor estimate graph is a readability metric for English text. It was developed by Alton L. Raygor, who published it in 1977.

A rendition of the Raygor Graph.

The US grade level is calculated by the average number of sentences and letters per hundred words. These averages are plotted onto a specific graph where the intersection of the average number of sentences and the average number of letters/word determines the reading level of the content. Note that this graph is very similar to the Fry readability formula's graph.

This graph is primarily used in secondary education to help classify teaching materials and books into their appropriate reading groups.

The formula
  • Extract a 100-word passage from the selection. If the material is long, take a subsample from the beginning, middle, and end.
  • Count the number of sentences in each passage. Count a half sentence as 0.5.
  • Count the number of words in each passage containing six or more letters.
  • Find the point on the Raygor estimate graph.
gollark: Lots of kernels appear to now contain code which is *not* very low-level and doesn't really need to run in ring0 but which is nevertheless there and written in C.
gollark: Further evidence of C bad‽
gollark: Yes, manjaro is utterly.
gollark: I mean, now we know Sonata's ALLOCATES MEMORY!
gollark: Isn't that somewhat a spoiler?

References
    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.