Question

which part of the scientific method helps the experimenter design a useful test? a. conducting background research b. testing the hypothesis c. analyzing the data enter a, b, or c.

Explanation:

Background research helps an experimenter understand what is already known about the topic. This knowledge is crucial for designing a useful test that can either support or refute a hypothesis. Testing the hypothesis comes after the test is designed, and analyzing data is for drawing conclusions after the experiment is conducted.

Answer:

A. Conducting background research