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The greatest limitation of correlation, one that is often forgotten, is that it does not tell researchers whether or not the relationship is causal. In other words, correlation does not, cannot, prove causation.
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www.mcli.dist.maricopa.edu/proj/res_meth/rmvl/corr_limi...
www.mcli.dist.maricopa.edu/proj/res_meth/rmvl/corr_limits.html
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The Concise Oxford Dictionary defines correlation as "mutual relation between two or more things" and causation as "causing or producing an effect". Correlation and causation can be given precise mathematical definitions, but most people do not know mathematics, so settle for the dictionary definitions.
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www.cambridge2000.com/memos/correlation.html
www.cambridge2000.com/memos/correlation.html
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If you increase X and observe an increase in Y that does not mean that X causes Y. Something else might have. Indeed, Y might cause X. Look for a time lag. If X changes and then Y changes maybe there is causation. Also, look for other lik...
http://www.croziervision.com/index.php/pct/individual/1...
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Nov 7, 2006 ... Abortion should not be used as birth control. Abortion kills babies ... Voice of Reason...
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www.topix.net/forum/news/opinion/TLP78DTJPKD0QGEVS
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Slide 16 of 24...
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hart.camden.rutgers.edu/Theory/1-26-00/sld016.htm
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The coincidental correlation between melanoma and tanning does not prove tanning causes melanoma ... Here are some examples of why coincidental correlation does not prove causation: ... However, the logical concept of post hoc ergo propter hoc requires that one event always occur before the other event in order to prove causation.
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www.lookingfit.com/articles/science-technology-melanoma...
www.lookingfit.com/articles/science-technology-melanoma-tanning.html
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Correlation and Regression (This really fits with the material for Lecture 3, but I often run out of time in that lecture and continue it here.) ... Note: correlation does not prove causation: An XY correlation could mean...
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www.psych.ucsb.edu/~kopeikin/121lec04.htm
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Let's take some other ludicrous examples to explain the problem of correlation vs. causation. ... (How many vendors are out there in January?). Does this prove that ice cream vendors cause it to be hot? Obviously causation goes the other way. Common sense tells you that. Unless of course you believe in conspiracy theories.
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www.statistics-help-online.com/node50.html
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Discussion of the phrase CORRELATION DOES NOT IMPLY CAUSATION and of the distinction between CORRELATIONAL as a statistical technique and as a method of data collection ... When Does Correlation Imply Causation?
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core.ecu.edu/psyc/wuenschk/StatHelp/Correlation-Causati...
core.ecu.edu/psyc/wuenschk/StatHelp/Correlation-Causation.htm
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