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Communicative Competence
Proto Word
Pre- Verbal Stage
Reduplicated babbling
Variegated babbling
Holophrastic Stage
Non-Verbal Communication
Reduplication
Diminutives
Substitution
Assimilation
Deletion
Consonant cluster reduction
Two word stage
Vocabulary spurt
Telegraphic stage
Content words
Gramatical words
Post telegraphic stage
Operant conditioning
Positive reinforcement
Language Acquisition Device
Tabula Rasa
Universal Grammar
Virtuous errors
Cognitive development
LASS
Language Acquisition Support System
Scaffolding
Egocentric
Object permanence
CDS
Child directed speech
Expansion
Recast
Mitigated imperatives
IRF Structure
Initiation, Response, Feedback
Instrumental function
MKO
More knowledgeable other
ZPD
Zone of proximal development
Usage based linguistics
Overextension
Underextension
Hypernym
Homonym
Bound morphemes
Unbound or free morpheme
Superlative
MLU
Mean length of utterance
Copula verb
