Which research source would provide the most bias-free information about marian anderson?
a) a flyer from the daughters of the american revolution
b) a web site about marian anderson’s amazing performances
c) an encyclopedia entry about marian anderson’s life and career
d) a press release from the metropolitan opera about marian’s performance

The research source that would provide the most bias-free information about Marian Anderson is an encyclopedia entry about her life and career.

The correct answer is C.

In an encyclopedia entry, the reader would find the most accurate an objective informations about a person of interest, like Marian Anderson. The other options would probably give a subjective look of her life.

the whisper is the answer, hope this : )