Generally, how are scientific ideas validated?

A. It is assumed that conclusions are correct if the scientific method was followed.

B. The scientific community votes on which findings and ideas are the most popular at the time.

C. Scientific results that are presented in the media are more valid than those that are not publicized.

D. Experimentation is performed several times in order to provide confirmation of scientific results.

I believe the answer is D. Experimentation is performed several times in order to provide confirmation of scientific results.

On top of that, there are several things that experimenters had to keep in their mind during their experiment, such as

- Form an initial hypothesis before the experiment

- Make sure to use generally accepted standard & measurement during th experiment

- Make sure to cast aside subjective opinion in analyzing the data.

D. Scientific ideas are always verified through more than one scientist through the scientific method.