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Studies

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

Publication

Author(s):
Rozga, A.; Dapretto, M.; Hutman, T.; Ozonoff, S.; Rogers, S.J; Sigman, M.; Young, G.S.
Title:
Behavioral Profiles of Affected and Unaffected Siblings of Children with Autism: Contribution of Measures of Mother-Infant Interaction and Nonverbal Communication
Source:
Springerlink.com, Published online: 22 June 2010

Investigation

Public:
6 months aged infants, California, United States, 200?
Survey name:
Unnamed study
Sample:
Non-probability purposive-expert 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

Happiness Measure(s) and Distributional Findings

Full text:
Rating on infants facial affect in 3 situations

1  negative
2  neutral
3  positive

Computation: Average of percentage of positive affect
Classification:
A-CA-mi-rc-th%-101-a
Author's label:
Affect
Remarks:
Average of rated affect in 3 situations: play, still and reunion with mother, computed by WDH team
Page in publication:
291, 293
Observed distribution
Frequencies
1: 0%,   2: 0%,   3: 0%,   4: 0%,   5: 0%,   6: 0%,   7: 0%,   8: 0%,   9: 0%,   10: 0%,   11: 0%,   12: 0%,   13: 0%,   14: 0%,   15: 0%,   16: 0%,   17: 0%,   18: 0%,   19: 0%,   20: 0%,   21: 0%,   22: 0%,   23: 0%,   24: 0%,   25: 0%,   26: 0%,   27: 0%,   28: 0%,   29: 0%,   30: 0%,   31: 0%,   32: 0%,   33: 0%,   34: 0%,   35: 0%,   36: 0%,   37: 0%,   38: 0%,   39: 0%,   40: 0%,   41: 0%,   42: 0%,   43: 0%,   44: 0%,   45: 0%,   46: 0%,   47: 0%,   48: 0%,   49: 0%,   50: 0%,   51: 0%,   52: 0%,   53: 0%,   54: 0%,   55: 0%,   56: 0%,   57: 0%,   58: 0%,   59: 0%,   60: 0%,   61: 0%,   62: 0%,   63: 0%,   64: 0%,   65: 0%,   66: 0%,   67: 0%,   68: 0%,   69: 0%,   70: 0%,   71: 0%,   72: 0%,   73: 0%,   74: 0%,   75: 0%,   76: 0%,   77: 0%,   78: 0%,   79: 0%,   80: 0%,   81: 0%,   82: 0%,   83: 0%,   84: 0%,   85: 0%,   86: 0%,   87: 0%,   88: 0%,   89: 0%,   90: 0%,   91: 0%,   92: 0%,   93: 0%,   94: 0%,   95: 0%,   96: 0%,   97: 0%,   98: 0%,   99: 0%,   100: 0%,   101: 0%
Summary Statistics
On original range 0 - 1 On range 0-10
Mean:
51.60 5.16
SD:
16.00 1.60

Correlational Findings

Author's label Subject Description Finding Infant's Autistic Symptomatology Autistic