Table 1.

Design of Experiment 1

Habituation Event 1	Animal in
Habituation Event 2	Car in
Habituation Event 3	Candle in
Habituation Event 4	Peg in
Test Event 1: Familiar objects–familiar spatial relation	Candle in
Test Event 2: Novel objects–familiar spatial relation	Cup in
Test Event 3: Familiar objects–novel spatial relation	Peg on
Test Event 4: Novel objects–novel spatial relation	Turtle on

Note. The habituation events are presented in italics and the test events are presented in roman. The events presented in bold have a tight fit between the objects.