Research Article

Autism in Toddlers: Can Observation in Preschool Yield the Same Information as Autism Assessment in a Specialised Clinic?

Table 2

Results of Interrater reliability measurements of ADOS ( ) and preschool observation ( ). Calculated in percent agreement—point-by-point method and weighted kappa.

Interrater measurement
Percent agreementWeighted kappa

ADOS
 Communication880.85
 Reciprocal social interaction930.91
 Play and imagination1001.0
 Stereotyped behaviours and restricted interests900.89
Preschool observation
 Communication900.89
 Reciprocal social interaction940.93
 Play and imagination880.82
 Stereotyped behaviors and restricted interests830.82