Biology, 04.09.2019 16:20, kwoolfe59006
Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b’s research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?
a. no, because investigator b’s research does not involve interaction with humans. yes, because investigator a retains the identifiers and therefore the specimens are identifiable.
b. no, because investigator b cannot readily ascertain the identity of the specimen sources. yes, because the specimens are from human subjects.
c. no, because investigator b cannot readily ascertain the identity of the source individual and investigator b has agreed not to attempt re-identification.
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Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.
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