scientific laws change often. scientific investigations are generally flawed. scientists may interpret data differently. scientists believe experiments should be repeated.
I gave my students this multiple choice question: Although the scientific method states that conclusions should be based on evidence, scientists do not always agree on the conclusions because

Only one answer is correct among these 4 choices:
- scientific laws change often.
- scientific investigations are generally flawed.
- scientists may interpret data differently.
- scientists believe experiments should be repeated.

Could you tell me which one is correct?

scientists may interpret data differently.