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10 cards from this deck
More powerful stats tests than non-parametric; need specific criteria
Interval data, homogeneity of variance, normal distribution
Parametric tests that test for significant differences between means
Comparing 2 separate, independent groups (different participants)
Comparing same participants under different conditions
df = N1 + N2 - 2
df = N - 1
Calc > crit = sig (reject null); calc < crit = not sig
More sensitive - controls for individual differences
Experimental design, not type of data
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