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Purpose
This assignment is intended to help you learn to do the following:
Define correlation and describe how it is established.
Discuss what is meant by “correlation does not imply causation.”
Critically evaluate correlational claims.
Action Items
Review the key points and videos for this module.
In a Word document, complete the following:
In your own words, define correlation and describe how it is
established. Provide a specific example (not used in the textbook or
assigned videos) for each of the following (you can make up your own
examples or find one online):
two variables/factors/events that have a positive correlation
two variables/factors/events that have a negative correlation
two variables/factors/events that have no correlation.
In your own words, discuss what is meant by “correlation does not
imply causation.” Provide an example that is not used in the textbook or
in the assigned videos.
Use the four critical questions to evaluate the correlational claim assigned to you by your instructor.
What is being claimed? (Identify the variables/factors Do they exhibit a positive or negative relationship?)
How good is the evidence?
(Are two relevant groups being compared? Is the difference between the
groups large enough (i.e., outside the margin of error of both samples)
so that it is unlikely that these differences are the result of chance
sampling variation? Were the groups being compared appropriately
selected?)
What other information is relevant?
(What is the context? Have other researchers found similar
correlations? Of similar strength? Did other researchers use different
types of samples and groups?)
Are relevant fallacies avoided? (e.g., consider the fallacies of No comparison, Biased Sampling, Small Sample, Unclear Target Population, and of Significance).
Week #7: Evaluating Correlational Claims – PICK ONLY ONE BELOW!
Use the four critical questions to evaluate the correlational claim
assigned to you by your instructor…remember, correlation does not imply
causation. (pick any one from below)
B. Increased exercise is associated with weight loss.
C. Children who grow up using night lights – will require eye glasses later in life.
D. Married people live longer, healthier lives.