Research Final 5
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when hyp is about specific population parameters
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
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