Recap previous courses Flashcards
1
Q
What are the steps of a power analysis?
A
- determine zcv for H0.
- determine xcv for H0.
- convert xcv to zcv for H1.
- power equals P(Z> Zh1 I h1).
2
Q
Which factors influence power?
A
- sample size.
- alpha level.
- standard deviation.
- true mean of h1.
3
Q
What are the measures for effect size?
A
- cohen’s d: 0.2, 0.5, 0,8.
2. r-square: 0.01, 0.06, 0.14.