Angela Reads About a Study in Which Cell Phone Use

Multiple Choice

Angela reads about a study in which cell phone use is associated with migraine headaches.She says,"Well,that study is not valid because I use a cell phone more than anyone I know and I never get migraines." Based on her comment,Angela may be forgetting which of the following?

A) The study is in a prestigious magazine.
B) The study has been replicated.
C) The study did not properly define cell phone use.
D) Science is probabilistic.
E) Science is based on empiricism.