What's the difference between wcpm and raw wcpm?

Due to the differences in difficulty between texts, Literably will often, though not always, report an equated score. In these cases, the reported score is the equated score and the raw score is the original words correct per minute score. The equated score may be slightly higher (for an easy text) or slightly lower (for a difficult text). These scores are generated statistically using Literably's internal data.

For progress monitoring and screening purposes, equated scores are superior to raw scores, where available. They ensure that the conclusions drawn about a student's fluency rate reflect her true abilities rather than random fluctuations driven by text difficulty.

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