期刊
DEVELOPMENTAL PSYCHOLOGY
卷 43, 期 1, 页码 186-196出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/0012-1649.43.1.186
关键词
causal reasoning; conceptual development; probabilistic reasoning; prior knowledge; spatial contiguity
资金
- NATIONAL INSTITUTE OF MENTAL HEALTH [F31MH066538] Funding Source: NIH RePORTER
- NIMH NIH HHS [F31 MH66538] Funding Source: Medline
This study examines preschoolers' causal assumptions about spatial contiguity and how these assumptions interact with new evidence in the form of conditional probabilities. Preschoolers saw a toy that activated in the presence of certain objects. Children were shown evidence for the toy's activation rule in the form of patterns of probability: The toy was more likely to activate either when objects made contact with its surface (on condition) or when objects were several inches above its surface (over condition). In Experiment 1, 61 three-year-olds saw a deterministic activation rule. In Experiments 2 and 3, 48 four-year-olds saw an activation rule that was probabilistic. In Experiment 4, 30 four-year-olds saw a screening-off pattern of activation. In all 4 experiments, children used new evidence in the form of patterns of probability to make accurate causal inferences, even in the face of conflicting prior beliefs about spatial contiguity. However, children were more likely to make correct inferences when causes were spatially contiguous, particularly when faced with ambiguous evidence.
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