Why is it so difficult to talk about impact?
Thompson
Teresa L
TL
Department of Communication, University of Dayton, Dayton, OH 45469, USA. Teresa.Thompson@notes.udayton.edu
Parrott
Roxanne
R
Nussbaum
Jon
J
D058015:Health Communication; D010506:Periodicals as Topic; D011364:Professional Practice; D012106:Research