ASU Lodestar Center Blog: Research Friday: "Really, How Many.
ASU Lodestar Center
MARCH 18, 2011
The main point of comparison is information on volunteering from the Current Population Survey (CPS), conducted by the U.S. The ASU Morrison Institute presents both numbers and asserts that both survey methods have strengths and weaknesses, likely leaving the true rate somewhere “between these two estimates.&# One in four.
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