Stages

Stages
Vegetative, Reflexive sounds
 * These stages can be broken down even more into these smaller stages: pre-production, early production, speech emergent, beginning fluency intermediate fluency and advanced fluency. (enlsac2max)

Comfort sounds, cooing, laughter

Vocal play

Reduplicated babbling

Nonreduplicated babbling

10 months - Pre-linguistic schemas (Clark, 2003)

12 months - First words

12 months - Holophrastic speech

15 months - Brown's Stage One

18 months Combinatorial Speech (Rodgon, 2009)

Brown's Stage One

Brown's Stage Two

Telegraphic speech (enlsac2max)

Brown's Stage Three

Brown's Stage Four

Brown's Stage Five