Table 1.

Overview showing the number of times that the different types of goal configurations occurred and how these were distributed over the time course of the experiment (indicated by trial number).

Goal configuration (sender, receiver)	Example	Trial number
Same shape, orientation not important	2(a)	1–4, 10, 16
Same shape, different orientation	2(b)	5–9, 17
Circle—rectangle	2(c)	11–15, 18–25
Rectangle—triangle	2(d)	26–27
Circle—triangle—pointing inwards	2(e)	28–45, 48–49, 51, 54, 58, 61–77, 80
Circle—triangle—pointing outwards	2(f)	46–47, 50, 52–53, 55–57, 59–60, 78–79