Why is is more difficult to prove a correct theory than to disprove an incorrect one?

What specific science discipline do most social engineering attacks rely on when they are being used?

The procedures for reporting potential unanticipated problems involving risk to subjects or others to the irb are: stated in the human subject protection regulations, but not in the drug or device regulationsincluded in the consent processdetermined by research staffdetermined by the institution in its written policies and procedures

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?