The use of deception or incomplete disclosure limits the subject's ability to make a fully informed decision of whether to participate in the research — one of the essential ethical concerns in human ...

Turkish historians have uncovered the oldest-known example of a signed written consent form. Dating back to the 16th Century Ottoman Empire, the discovery suggests the use of these forms — in this ...

Ethicists have suggested that written consent forms encourage participants in phase 1 cancer trials to expect benefit from the experimental agent and to overlook serious risks. Of 272 forms, 268 ...