I believe if she is explaining what she did and how she did it the audience will be informed of if she did controlled tests. It doesn't say if she explained the outcome.
The correct answer will be option-It informs the audience if the study included controlled tests.
Explanation:
The communication of the results and sharing of the results through research papers and the conferences are the steps of the scientific method.
In the given condition, since the scientist is telling about the experimental setup and the materials utilized during the experiment indicates that the scientist is explaining and informing the audience about the controlled experiment that the scientist has performed to explain the scientific question.
