Writing To Learn To Do: WAC, WAW, WAW, Wow!
http://wac.colostate.edu/llad/v2n2/russell.pdf

Russell, David R.
LLAD
1994

Abstract:

I've heard lots of reasons offered for the surprising success of WAC over the last 27 years. But you know, the I think it's the acronym. WAC. Have you ever had colleagues good naturedly kid about the acronym. 'This is WACy!' There is something a little crazy about this whole thing.