It sounds like your friend is attempting to disprove object permanence.
Is your friend, by any chance, an infant?
Actually, I just thought of a definitive experiment that rules out this hypothesis. It’s called Peek-a-Boo.
It sounds like your friend is attempting to disprove object permanence.
Is your friend, by any chance, an infant?
Actually, I just thought of a definitive experiment that rules out this hypothesis. It’s called Peek-a-Boo.