Glossary
Oral reading fluency (ORF)
Oral reading fluency (ORF) measures how many words a reader gets right in one minute of reading a passage aloud. Schools record the result as words correct per minute (WCPM), which subtracts the words read wrongly from the total.
Updated October 16, 20263 cited facts, each traced to its source
Also called ORF, words correct per minute, WCPM.
Oral reading fluency (ORF) is the number of words a reader gets right in one minute of reading a passage aloud 1. Teachers use it to check how well a child reads, and the score it produces is called words correct per minute (WCPM).
WCPM is the words read minus the words read wrongly
The score starts with the total number of words read in one minute from a passage, then subtracts the words read incorrectly 2. Misidentified words, hesitations and omitted words all count as errors. For example, a student who reads 80 words in one minute with 6 errors has a WCPM of 74.
Typical WCPM values rise with each grade
WCPM values rise steadily through the early grades. In a 2017 technical report that summarizes three decades of research, the author writes that "Grade 2 students begin the year reading about 50 wcpm and improve to 90 wcpm" 3. Treat that as a rough anchor. Medians differ between test batteries, years and passages, so a school should compare a child with the norms of the test it used.
ORF measures reading, not writing
ORF is a reading measure. It checks whether words on a page are decoded accurately and quickly, so it says nothing about how well someone composes or types. It is closest to dictation in its error counting. The word error rate for speech recognition also counts wrong words against a reference text, so a low WER and a high WCPM both describe accuracy over a fixed passage. The two are not interchangeable, but the idea of counting errors within a timed sample is the same.
Why ORF matters for dictation and typing
If you are comparing your own speed, WCPM is a reading figure and should not be set beside your words per minute on a keyboard or by voice. Reading aloud is also a different skill from dictating. A person can read a passage fluently and still find dictation hard, and the reverse is true too. Use ORF to understand reading development, and use words per minute and word error rate to judge typing and dictation.
Related terms
- Words per minute (WPM): the usual unit of typing speed.
- Articulation rate: the syllables a speaker produces per second, with pauses left out.
- Word error rate (WER): the share of words a speech recognizer gets wrong.
Guides that cover it
Evidence
Every number on this page, with where it comes from. Open a fact to see the exact words in its source.
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Related terms
- Typing Speed: Average WPM and How to Type FasterThe topic this term belongs to
- Articulation rateArticulation rate is the number of syllables a speaker produces per second, leaving out pauses. It measures how fast the speech itself comes out, so it is usually faster than the overall speaking rate that counts every pause.
- Characters per minute (CPM)Characters per minute (CPM) is the number of characters typed in one minute, counting spaces and punctuation. Words per minute is the same count divided by five, so a typist at 50 WPM enters 250 characters per minute.
- ColemakColemak is an alternative English keyboard layout, introduced in 2006 and designed for efficient, comfortable touch typing. Its supporters describe it as the third most popular layout for English touch typing, after QWERTY and Dvorak, but that ranking has no stated method.
- Dvorak Simplified KeyboardThe Dvorak Simplified Keyboard is an alternative English keyboard layout that places the most common letters on the home row. Dvorak and Dealey applied for a patent on it in 1932, but the studies that claimed it was faster than QWERTY have been criticized, and the evidence for a speed gain is weak.
- Home rowThe home row is the middle row of keys on a keyboard, where the fingers rest when you touch type. On a QWERTY keyboard it holds A, S, D, F for the left hand and J, K, L and semicolon for the right, and every other key is reached by moving a finger away from it and back.
- Hunt and peckHunt and peck is a typing method in which the typist finds each key by sight and presses it with one or two fingers, usually the index fingers. It is also called two-finger typing, and it differs from touch typing, which relies on memorized key positions and the home row.
- Keystroke dynamicsKeystroke dynamics is the identification of a person from the rhythm of their typing, using the timing between key presses as a pattern much like a handwritten signature. It is a behavioral biometric, so it supports identity checks through statistical matching rather than proving who typed.
- Keystrokes per character (KSPC)Keystrokes per character (KSPC) is the average number of keystrokes a text entry method needs to produce one character of text. A basic QWERTY keyboard scores 1, methods that need more presses score above 1, and word prediction can score below 1.
- Keystrokes per hour (KPH)Keystrokes per hour (KPH) is the number of key presses made in one hour. It is the standard unit for numeric data entry, where many jobs require 8,000 or 10,000 keystrokes per hour, and it counts keys rather than words.
- QWERTYQWERTY is the standard letter arrangement on English keyboards, named for the first six letters of the top row. Christopher Latham Sholes devised it in the early 1870s for typewriters, and it is still the layout most people type on, even though faster layouts have been proposed.
- Rollover typingRollover, or key rollover, is the number of key presses a keyboard can detect when they overlap. Two-key rollover reliably detects only two keys at once, and a matrix keyboard without diodes can register a ghost key when three keys are pressed together.
- StenotypeA stenotype, also called a steno machine, is a chorded keyboard that stenographers use for shorthand, pressing several keys together to produce a syllable or word. The NCRA's court reporter skills test sets a speed of 225 words per minute, and voice writing is a newer method that uses speech recognition instead.
Pages that use this term
- Typing Speed: Average WPM and How to Type FasterTopic
- Speaking Speed: How Many Words per Minute People TalkGuide
- How many words per minute is reading aloud?Question
- How many words per minute should a child read by grade?Question
- What are the DIBELS words per minute benchmarks?Question
- What is the average reading speed in words per minute?Question
- Articulation rateGlossary