why do scientist in different parts of the world conduct similar investigation?

Question

1. scientist only trust investigation that are done in their own countries.
2. scientist are rewarded when they repeat experiments multiple times.
3. scientist try to replicated the results so it is clear the results are reliable.
4. scientist doing the same investigation can share costs and be economical.

Answer 1

The correct answer is:

3. Scientists try to replicate the results so it is clear the results are reliable.

Replication is a fundamental principle of the scientific method. When scientists conduct similar investigations, they aim to confirm findings and ensure that results are consistent and reliable across different conditions and populations. This helps to strengthen the validity of scientific knowledge.