what is one thing that would make evidence from an experiment more reliable? A if there was no comparison group B if there was a small sample C if the source of the information was an expert D it is not D i tried D already

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 then those results are said to be reliable. Reliability is measured by a percentage - if you get exactly the same results every time then they are 100% reliable.