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Correlation and Causation

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What Is Correlation? Correlation and Causation. Examples of Correlation/Causation Confusion. Murder rates affect IQ tests scores: study. Straight A's in High School May Mean Better Health Later in Life. Happiness wards off heart disease, study suggests. Being happy and staying positive may help ward off heart disease, a study suggests.

Happiness wards off heart disease, study suggests

US researchers monitored the health of 1,700 people over 10 years, finding the most anxious and depressed were at the highest risk of the disease. They could not categorically prove happiness was protective, but said people should try to enjoy themselves. But experts suggested the findings may be of limited use as an individual's approach to life was often ingrained. At the start of the study, which was published in the European Heart Journal, participants were assessed for emotions ranging from hostility and anxiousness to joy, enthusiasm and contentment.

They were given a rating on a five-point scale to score their level of positive emotions. Correlation or Causation. Why you should talk to your baby Study suggests Southern slavery turns White people into Republicans 150 years later actual study here Early language skills reduce preschool tantrums, study finds.

Correlation or Causation