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Research Final 5
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parametric test
when hyp is about specific population parameters
nonparametric test
when hyp specify shape of the population
Type I error
occurs when researcher concludes that IV has effect on DV but it doesn't
Type II error
when researcher concludes IV doesn't have effect on DV but it actually does
Factors that affect Power
alpha
: reducing the alpha level will reduce power
effect size
: greater effect size, larger power
variability
: as the variability decreased, power increased
Author
kyle.coughlin
ID
215813
Card Set
Research Final 5
Description
Research Final 5
Updated
2013-04-25T20:38:26Z
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