Commentaries, opinions, and the growth of scientific knowledge.

Comments on J. J. Christensen-Szalanski and L. R. Beach's (see record 1984-21471-001) conclusion that the attention given to commentaries and replies to articles did not justify the extra space and indicates that less than 1% of all the articles that appeared in psychology journals had commentaries. (PsycINFO Database Record (c) 2010 APA, all rights reserved)