Unlike adults, young children think that many weird and unlikely events are impossible. Existing theories have argued that this developmental shift is driven primarily by age-related changes in knowledge as well as an increasing ability to reflect on one's modal intuitions. However, this intuition + reflection model fails to explain…

The present studies investigated children's and adults' intuitive beliefs about the physical nature of essences. Adults and children (ranging in age from 6 to 10 years old) were asked to reason about 2 different ways of determining an unknown object's category: taking a tiny internal sample from any part of the object (distributed view of essence)…

Examining the metaphor of the child, or lay adult, as an intuitive scientist results in a theory of the development of scientific thinking centering on progressive differentiation and the coordination of theory and evidence. This metacognitive and strategic development requires thinking about theories and evidence. (SLD)