Is the data specific? Data given to back up a claim needs to be exact. Notes and observations made should be detailed and clear. Notes should be made during the investigation, not after the fact.Can the results be replicated? Scientists require repeatable evidence. Other scientists should be able to repeat the investigation and get the same results. When evaluating data, look to see if other scientists have repeated the data. If not, the data might not be reliable.Step 1: Evaluate the DataStep 1: Evaluate the DataDoes the conclusion make sense? For the conclusion to be reliable, it must be plausible.Are there any other possible explanations? Conclusions are not reliable unless other possible explanations are proven unlikely.Step 2: Evaluate the ConclusionsStep 2: Evaluate the Conclusions