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