The inventor of a new drug conducted several studies in his lab. He found that his drug was more effective than any other drug in curing a particular disease. The inventor spoke about his findings to a large audience. Which of the following would be the BEST advice for his listeners? Select one:
a. Believe what he says, because he conducted studies.
b. Ask him to show you copies of his studies so you can review the evidence.
c. Don’t listen to what he says because he is a biased speaker.
d. Ask the speaker for outside evidence that supports his claims.