Earlier research studies that did not follow the regulations to protect human subjects may have documented important findings, but these studies cannot be repeated.

Question

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Research studies that did not follow the regulations to protect human subjects cannot be repeated due to ethical concerns, even if they documented important findings. It is true that earlier research studies conducted without following regulations to protect human subjects cannot be repeated, regardless of the significance of their findings. This is because the ethical standards and legal requirements in research have evolved to protect the welfare and rights of participants, and repeating unethical or illegal practices is not permissible.

Earlier Research Studies That Did Not Follow the Regulations to Protect