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Why are there so many interest groups in the United States? When did the rise of interest groups begin? What impacts-good and bad-have interest groups had on American politics? In your opinion, are interests groups , on balance, good or bad for American democracy?
Two-Sided Hypothesis
A hypothesis test that allows for an effect in two directions, either greater than or less than a specific value, not limiting the expected effect to one direction.
Null Hypothesis
A stated hypothesis that there is no significant difference or effect, often denoted as H0, to be tested against the alternative hypothesis.
Type I Error
The incorrect rejection of a true null hypothesis or a false positive in hypothesis testing.
Type II Error
The mistake of failing to reject a null hypothesis when it is actually false, commonly represented by the symbol β (beta).
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