Power Flashcards
Power is the ________
probability of detecting a true effect
Power = _____ - _______
1-beta, or 1 - type 2 error
What are the 3 main factors when determining power?
Alpha Level, sample size, and effect size
A larger effect size indicates more ________
power
eta squared equation is n^2 = ____/_______
SSA/SST
A large eta squared value is roughly _________
0.14
R^2 = 1 - _____/________
1- SSR/SST or 1 - unexplained variance
A large RSQUARED effect size is _______
0.25
Cohens D is a measure of the ratio of ________. A large cohens d is _______ or above
difference, 0.5 or above
Effect sizes can be used for __________ or for __________
meta-analysis or theoretical importance
A larger sample size increases________-
power
Eta squared and R squared are measures of ___________, whereas Cohen’s d is a measure of _________
Association, difference
