שאלה | What can we learn from the "clever Hans" effect?

What can we learn from the "clever Hans" effect?

		When animals showcase a certain cognitive ability, researchers should conclude that the animal's real ability is much larger
		Some specific animal individuals have a far larger cognitive capacity than the rest of their species
		The "clever Hans" effect is an archaic idea which is no longer relevant in research
		It may seem that animals have certain cognitive abilities, while in reality they are responding to humans' cues