Dr. Mai conducts a test of a new anti-malaria drug in Africa and concludes that he should reject the null hypothesis because his probability value was .04. He concludes, therefore, that his drug works. In reality, however, it does not work. Dr. Mai has committed a______ error.

Question

Quizplus · Accepted Answer

Dr. Mai has committed a Type I or false positive error, which occurs when the null hypothesis is incorrectly rejected when it is actually true. In this case, he concluded the drug works (rejected the null hypothesis) when in reality, it does not.

Dr Mai Conducts a Test of a New Anti-Malaria Drug