Unformatted text preview: place food in one goal box and the rat goes there, we ask a person a question and they answer. Additionally, we may not see simple discrete cause-effect relationships, but rather covariance. As consumption of cigarettes increases, incidence of cancer increases, but everyone smoking does not get cancer, and many people get cancer who have never smoked. Some relationships are very strong like light switches and illumination level (often labeled "cause") while others are weaker like cigarette smoking and cancer (often labeled simply "covariance")....
View Full Document
- Fall '09