answers:
1. when a scientist repeats an experiment with a different group of people or a different batch of the same chemicals and gets very similar results
-the independent variables are the same, so the factors are not changed- proving reliability.
-the dependent variables remain the same as well, so it proves the reliability of the experiment.
-the process is the same, finally, proving the experiment's reliability 100%
2. peer review- when scientists assess the originality, reliability, and significance of a scientific work before its publication. it's the most widely accepted process used to validate scientific data. peer review is fundamental so that all knowledge stays relevant and authentic.
