Table 3.

Speech and language data gathered on SEARCH participants aged 1-7 years.

	Chronological Age
Communication Domain	1 to 1 yr, 11 mths	2 to 2 yrs, 11 mths	3 to 4 yrs, 11 mths	5 to 6 yrs, 11 mths
Receptive language	CSBS	Reynell Test of Language Development - Revised	PLS-4	CELF-Australian (appropriate subtests)
Expressive language	CSBS	Language Sample	PLS-4	CELF-Australian (appropriate subtests)
Speech	CSBS	CSBS or PLS-4	DEAP Screening Assessment	DEAP Screening Assessment
Narrative	Not age appropriate	Not age appropriate	Narrative Story retelling Personal Narrative	Narrative Story retelling Personal Narrative
Phonological Awareness	Not age appropriate	Not age appropriate	PIPA	PIPA

CSBS Communication Symbolic Behaviour Scales. It assesses pre-linguistic language skills

CELF Clinical Evaluation of Language Fundamentals

DEAP Diagnostic Evaluation of Articulation and Phonology

PIPA Preschool and Primary Inventory of Phonological Awareness

PLS-4 Pre-school Language Scale Australian Adaptation