Before participating in an experiment, participants must sign a document affirming that they have been told the basic outlines of the study and are aware of what their participation will involve and what risks the experiment may hold. The document also gets participants to confirm that their participation is purely voluntary and that they may terminate it at any time. To which ethical principle of research does this refer?

answer; for children with two myopic parents,the likelihood of becoming myopic is ) correlated with the number of hours spent playing sports each week;

texas governor sam houston opposed secession, but was unable to prevent it. in this speech, given prior to lincoln's election, he presents the argument that slavery would be safer within the united states than outside of it. it was a prescient argument, and one held by several other southern leaders.

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why does vagina taste like fish water (asking for a friend)