TABLE 1.
Experiments 1 and 2 | ||||||||
Spatial Displacement | No-Spatial Displacement | |||||||
1 tool | 2 tools | 3 tools | 4 tools | 1 tool | 2 tools | 3 tools | 4 tools | |
4YO | 100% | – | – | – | 88% | 6% | 6% | – |
5YO | 87% | 13% | – | – | 100% | – | – | – |
Adults | 60% | 27% | – | 13% | 33% | 67% | – | – |
Experiments 3 and 4 | ||||||||
Spatial Displacement | No-Spatial Displacement | |||||||
1 tool | 2 tools | 3 tools | 4 tools | 1 tool | 2 tools | 3 tools | 4 tools | |
4YO | 100% | – | – | – | 88% | 6% | – | – |
5YO | 88% | 12% | – | – | 100% | – | – | – |
Adults | 20% | 47% | 20% | 13% | 20% | 74% | – | 16% |