Question

question 9 of 10
which of the following describes how background research helps in the
design of an experiment?
a. it provides a final opportunity to cancel an experiment before its
too late.
b. it provides information about what is already known about a
particular research question.
c. it provides a good opportunity to talk to other scientists about
their lifes work.
d. it provides a confirmation that no one else has ever done the
exact same experiment.

Explanation:

Background research aims to gather existing knowledge. This helps in designing an experiment as it allows researchers to build on prior work, avoid reinventing the wheel, and understand the context of their research question. Option A is incorrect as background research is not about canceling an experiment. Option C is not the main purpose of background research for experiment design. Option D is too absolute as it's hard to confirm no one has done an "exact" same experiment, and that's not the key role of background research in experiment design.

Answer:

B. It provides information about what is already known about a particular research question.