Spontaneous imaginary companion (SIC) creation in childhood is a typical imaginative play behaviour associated with advanced sociocognitive skills; however, the direction of causality has not been established. To investigate this experimentally, researchers must determine whether children can create, on request, qualitatively equivalent imaginary…

Three experiments examined children's and adults' abilities to use statistical and temporal information to distinguish between common cause and causal chain structures. In Experiment 1, participants were provided with conditional probability information and/or temporal information and asked to infer the causal structure of a 3-variable mechanical…

Uses clinical case studies showing autistic children's fascination with and understanding of machines, family studies focusing on occupations of fathers and grandfathers of children with autism or Asperger Syndrome, and experimental evidence using picture-sequencing methods to identify physical or intentional causality to show that children with…

Two cause indicator models were formulated to link items of the Home Observation for Measurement of the Environment--Short Form to the Peabody Picture Vocabulary Test--Revised. These models were tested with data from the National Longitudinal Survey of Youth (506 and 345 children), and a final model was developed. (SLD)

Examined developmental differences in evidence evaluation skills among school children, non-college educated adults, and college students, utilizing plant growth variables. Found that children were more strongly influenced by prior beliefs and missing data than were the two adult groups. Age and educational differences were found in the…