Question

chapter 1 reading question 9
1 part of 1 point
in scientific research, the strongest form of evidence comes from ______.
○ experiments
○ guessing
○ hypothesis
○ observation

Explanation:

In scientific research, experiments allow controlled manipulation of variables to test cause-effect relationships, providing the strongest evidence. Guessing is unscientific, a hypothesis is a testable prediction (not evidence), and observation is foundational but less rigorous than controlled experiments for establishing causal links.

Answer:

A. experiments