If a Source Is Willing but Unable to Provide Data

Multiple Choice

If a source is willing but unable to provide data, researchers sometimes ask for information about the source from another person. This second-hand information may be biased in some way the researcher cannot anticipate. What should the researcher do to improve the usefulness of this data?

A) Ask the primary source to confirm or reject the information from the other person
B) Ask several other people for the information about the source to determine if there is consensus, identify disparities and seek explanations
C) Ask the primary source who they would trust to give accurate information about them
D) Ask the primary source for relevant archival data