The dean of academic affairs visits a professor's class as part of a tenure review. at the conclusion of the lecture, the dean exits hurriedly, without saying a word to the professor. the professor, who is prone to depression, concludes, "the dean hated my class so much he was too embarrassed to speak to me." this is an example of a(n):

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality.potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english