A radomized trial comparing the efficiancy of two drugs showed a difference between the two with a p value of < 0.005. In reality, however drugs do not differ. This is an example of ?
Ans. 'a' i.e., Type I error (alpha error) Drugs showed a difference which is not true in reality --> false positive result. False positive difference is due to type I error.
Type 1 error (alpha error)
Type III error (Beta error)
1-a
13-Jan