Below is some information about 4 different studies.
p-value
N alpha beta
Study 1 .03 100 .05 .05
Study 2
.13 100 .05 .30
Study 3 .03 50 .01 .20
Study 4
.03 25 .01 .02
1. What is the probability of a researcher having made a Type I error in Study 1?
A) p = .03
B) alpha = .05
C) alpha – p = .02
D) 1 – alpha = .95
2. What is the probability of a researcher having made a Type I error in Study 4?
A) p = .03
B) alpha = .01
C) alpha – p = -.04
D) 1 – alpha = .99
3. What is the probability of a researcher having made a Type II error in Study 2?
A) p = .13
B) alpha = .05
C) beta = .30
D) 1 – beta = .70
4. Should the Null Hypothesis be rejected in Study 1?
A) Yes
B) No
5. Should the Null Hypothesis be rejected in Study 3?
A) Yes
B) No
