saptamana nouaspe Flashcards
1
Q
What is power?
A
the ability to detect a real effect
probability that results will lead to rejection of the null hypothesis when it is false
2
Q
What is the equation for power?
A
1-Type 2 error
Higher power, lower type 2 error rate
Lower power, higher type 2 error rate
3
Q
What is the standard for power?
A
> 0.80
4
Q
What are the factors that affect type 2 errors?
A
Effect size
Sample size
Significance level or statistical test
Use of directional hypothesis
Amount of within-group or error variability
