Fig. 2.

Behavioural results. (A.) All conditions: Responses to each of the six questions (two per condition) for each child, for both the knowledge question and the first follow up (confirmation) question. Each child’s responses are arranged vertically, children are sorted by age (increasing towards the right). The colours code for response accuracy for each of the knowledge and confirmation questions, as it is indicated in the legend. (B.) Partial-knowledge condition: Number of correct responses to the partial knowledge condition as a function of age.