Study Rozga et al. (2010): study US California 2005

Public

6 months aged infants, California, United States, 200?

Survey name

Unnamed study

Sample

Respondents

N = 167

Non Response

Assessment

Behavioural observation
infant behaviour was video recorded and later rated by a coder who was blind to the infants' developmental outcomes

Correlate

Authors's Label

Infant's Autistic Symptomatology

Our Classification

Remarks

eventual autism diagnosed at 36 month using ADOS (lord et al 2000)diagnostic classification of observed behaviours

Distribution

N = 0: 9, 1: 46, 2: 28

Operationalization

2: Having autistic sibling & later diagnosed with autism (ASD)
1: Having autistic sibling & later NOT diagnosed with autism or ASD (NoASD-sib)
0: Low-risk control group (TD)

Observed Relation with Happiness