80 children from Scotland
40 nursery children 40 primary school children
Shown a naughty teddy and. 2 rows of counters. 1 row of 4 red counters and 1 row of 4 white counters
The teddy moved 1 row of counters closer together to look shorter
Before and after the change they were asked ”are there more counters in this row or are they the same?”