Why it matters
Provides a practical index of child language growth.
Core term · Roger Brown
Mean Length of Utterance
A measure of early language development based on average utterance length, often in morphemes.
Areas of life
Child developmentspeech therapyeducation
How to handle it
Track language growth developmentally rather than comparing only by age.
Who shaped this idea
The thinker behind it
From concept to practice
Turn Mean Length of Utterance into a question you can answer.
Psipas asks you one small, honest question at a time — and builds the picture from your answers.