Even more remarkably though, the fact that 15 month-olds didn't do this suggests that these 18 month-olds had learned this deep, profound fact about human nature in the three months from when they were 15 months old.
E máis interesante sen embargo, é que os bebés de 15 meses non fan isto; o que suxire que os nenos de 18 meses aprenderon este dato profundo do ser humán nos 3 meses que os separan dos bebés de 15 meses.