Case Study: Clever Hans

When did the study take place?

• 1965

• 1984

• 1911

What was the hypothesis of Mr.Von Osten?

• that horses could be as intelligent as humans and hence could be taught problem solving skills

• that Hans was just lucky

• that Hans had switched places with a human

How did Von Osten train the horse to study problems?

• he taught him to lift his hoof once when he heard the number one, twice for two and so on

• he taught Hans to speak German

• he taught Hans sign language

According to Oskar Pfungst what types of visual cues was the horse responding to?

• leaning forward, straightening up, raising an eyebrow.

• lip reading

• counting the numbers on the questioners fingers

Mr. Vonsten thought he had taught Hans to solve math problems- what in fact did he teach the horse?

• he had unintentionally taught Hans to make simple responses to simple signals

• basic math

• how to count to ten