Lexile Measures

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Lexile Measures by Mind Map: Lexile Measures

1. What does a Lexile Score measure?

1.1. - the complexity of a text based on two well established predictors of comprehension difficulty

1.1.1. - sentence length

1.1.2. - word frequency

1.2. - it doesn’t measure

1.2.1. Content

1.2.2. Interest

1.2.3. Design

2. Purpose

2.1. - for descriptive purposes only

2.2. - not a prescribed guide about what text measure should be for a given grade.

3. Lexie Measures By Grade

3.1. No direct correspondence between specific lexile measure and specific grade measure.

3.1.1. - Each grade will have readers across a range of lexile measures

3.1.2. - There is a typical measure (Mid-year 25th percentile to 75th percentile) o Grade 2 140L to 500L o Grade 3 330L to 700L o Grade 4 445L to 810L o Grade 8 805L to 1100L o Gr 11-12 940L to 1210L • Notice the overlap in measures between grades • Studies across different groups of students show some small variation in scores/measures (of what is typical)

3.1.3. - Consider that students may be able/unable to comprehend a text at a presumed lexile measure, based on the topic. - Students with a background familiar with the topic may be able to comprehend a text at a typically higher lexile level; and vice versa for students unfamiliar with a topic

3.2. Different Measures

3.2.1. Lexile Reader level - the person’s reading ability on the lexile scale - Can be measured using the Scholastic Reading Inventory - A free app on iTunes

3.2.2. - Lexile text measure - the text’s difficulty on a lexile scale - A list of books and their lexile measures available at https://www.lexile.com/findabook/

4. How to determine lexile measure of a desired text?

4.1. - Go to https://lexile.com/analyzer/ and upload a file for analysis

4.1.1. o Requires making a free account • Can sign in with Google Account