CORRELATION

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CORRELATION CAUSATION

• Presentation by

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Correlation

• Write a definition of correlation in your own
  words

• Give at least three examples of correlation

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Causation

• Write a definition of causation in your own words

• Give at least three examples of causation

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Lurking Variables

• Write a definition of lurking variables in your
  own words

• Give at least three examples of lurking variables

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Correlation Causation

• Explain this cartoon in terms of correlation and
  causation

http//www.stat.psu.edu/resources/Cartoons/cartoo
n010.gif
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Bibliography

• http//www.cambridge2000.com/memos/correlation.htm
  l
• Add at least two other sources to this
  bibliography

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Task One

• "Young boys (age 6) exhibiting a cluster of
  extreme personality traits, including
  impulsiveness, excitability, and lack of fear in
  new situations, are most likely to use both legal
  and illicit drugs in their early teens.
• a) Does this research describe a correlation or a
  causal relationship?   Explain.
• b) If you said it described a correlation, change
  the wording so it describes a causal
  relationship.  If you said it describes a causal
  relationship, change the wording so it only
  describes a correlation.

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Task Two

• "Historical data show that the candidate who
  raises the most money before the primary season
  starts generally wins the nomination."  What kind
  of relationship, if any, does the quote describe?
    Explain.
• If a correlation exists between two variables, is
  there also a causal relationship between those
  two variables?  Explain.
• If a causal relationship exists between two
  variables, is there also a correlation between
  those two variables?  Explain.