The authors of this paper would like to gratefully acknowledge
the other members of the PMSP Common Measures Committee for
the contribution of each of their unique perspectives: Marci Benne,
Steve Day, Joe Hansen, Brian Hawkins, Nancy Lapotin, Melissa Potter, Milan Sherman, and Susan Winner. We would also like to
thank James Connell for his role as an external advisor to the
committee. Finally, we thank Eric Banks for his assistance in
designing our graphics so that our ideas could come alive in a
visual form of communication, instead of only in words.