Enter the total number of words read and the total number of errors made into the calculator to determine the error rate in scoring and analyzing a running record.
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Error Rate Formula
The following formula is used to calculate an error rate.
ER = TW / TE
- Where ER is the error rate
- TW is the total words
- TE is the total errors
Error Rate Definition
What is an error rate? An error rate, in the context of reading, is a ratio of the total words read to the total errors made while reading. This is used when scoring and analyzing a running record of an individual.
How to calculate error rate?
- Frist, determine the number of words read.
For this example, the student read 500 words.
- Next, determine the number of errors.
While reading, their were 50 recorded errors.
- Finally, calculate the error rate.
Using the formula above, the error rate is found to be 500/50 = 10:1.
About Error Rate?
What is error rate used for? An error rate, in this case, is a measure of the rate of errors of a student while learning. This rate is used to assess the learning or educational level of a student when conducting a running record.
What is a running record? A running record is a reading assessment tool used by teachers to analyze how students or readers are performing at reading. This is a type of fluency assessment since the reader must be reading aloud.
When to use running records? Running records are typically used for young students that are still learning how to speak a language properly to determine their fluency with said language.