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Correlational findings

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
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

Happiness Measure Statistics Elaboration / Remarks A-CA-mi-rc-th%-101-a D% = + % of time expressing positive affect (vs neutral or negative):
2:  26,43%
1:  21,97%
0:  16,67%