A scientist studying cold medicines hypothesizes that one particular
medicine is more effective than the others in the study. He attempts the
experiment several times. Each attempt produces a different result. What
should he do next?
Question 1 options:

A) He should prevent other scientists from attempting the experiment
until he gets the result he expected.

B) He should determine whether the variation in his results are important
through further investigation.

C) The scientist should give up since consistent results are not happening.

D) He should change the data in his experiment in order to get the results
he expected.