There are two factors that have a huge negative impact on the results of scientific research: one is the atmosphere of secrecy prevailing in scientific research, and the other is the lack of personal freedom of researchers. What is wrong with this passage? ['The results of scientific research are often subject to human interference.', 'Scientific researchers need personal freedom.', 'A climate of secrecy prevailing in scientific research determines the lack of personal freedom of researchers.', 'Many scientific studies are conducted in a confidential atmosphere.']