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10 Cards in this Set

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... variable is one that which we think will “cause” a change to occur
independent
... variable is the outcome. that which we think will change as the result of the independent variable
dependent
Smokers have a greater chance of an MI than nonsmokers.

independent variable = ____
dependent variable = ____
smoking
myocardial infarction
what does this describe:

Confuses the relationship between the independent and dependent variables
confounding variable
confounding variables have 3 conditions:
1.
2.
3.
1. Related to the independent variable
2. Related to the dependent variable
3. NOT A CONSEQUENCE of the independent variable
smoking is an example of a ...:

People who consume large amounts of Alcohol have a greater incidence of MIs than non-alcohol consumers.

(what about those people who smoke too?)
confounding variable
order the study weakest to strongest:

Case-Control (Retrospective)
Case Study
Prospective (Cohort)
Case Series
Randomized Clinical Trial (RCT)
Case Study
Case Series
Case-Control (Retrospective)
Prospective (Cohort)
Randomized Clinical Trial (RCT)
which of these studies uses a comparison group:

Case Study
Case Series
Case-Control (Retrospective)
Prospective (Cohort)
Randomized Clinical Trial (RCT)
Case-Control (Retrospective)
Prospective (Cohort)
Randomized Clinical Trial (RCT)
this is an example of what:
Prospective (Cohort)
what kind of study does this study represent?
this is Case-Control (Retrospective)