The Lexile Framework for Reading

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The Sun Also Rises by Ernest Hemingway

Barbara Dec 06, 2016 01:06PM EST

Can you please explain how The Sun Also Rises by Ernest Hemingway can have a Lexile Level of 610 and a Lexile level of 1420 at the same time? That is a HUGE variance.

Also, based on your search function a Lego Harry Potter Sticker book is 720 whereas JD Salinger's Catcher in the Rye is 790. Is there something askew with your database?

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Nathan Dec 06, 2016 03:31PM EST Customer Support

Hello Barbara,

Thank you for your interest in the Lexile® Framework for Reading!

The 610L is the Lexile® measure of the actual novel and the 1420L is the measure of a collection of critical essays (basically reviews). Anytime you see a large discrepancy such as this it may be useful to search each ISBN on Amazon for a detailed description of each book.

As far as Lego Harry Potter and Catcher in the Rye… In order to obtain a Lexile® measure for a book or article, text is split into 125-word slices. Each slice is compared to the nearly 600-million word Lexile® corpus – taken from a variety of sources and genres – and words in each sentence are counted. The sentence length and difficulty of the vocabulary is examined throughout the book. These calculations are put into the Lexile® equation. Then, each slice’s resulting Lexile® measure is applied to the Rasch psychometric model to determine the Lexile® measure for the entire text.

Lexile® measures do NOT measure age-appropriateness, the book quality, the book’s theme/content or other such characteristics of the book as it only analyzes the semantic and syntactic characteristics. For example, The Grapes of Wrath is a fairly simple book to read but may have a theme that is inappropriate for a certain age group. The Diary of a Wimpy Kid may have more complex words and phrases and therefore has a higher Lexile® measure.

Thanks again and please let us know if you have any further questions.

Nathan Customer Support

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