TheophileEscargot posted a link to a PDF of a talk by Nick Tilley about realistic evaluation of public policy initiatives. My response is too long for a comment so I promoting it to a diary entry.
"REC! You still haven't signed up for the new version 4.b certification training!"
"You said it was optional. It's 70% $Area_I_don't _work_in and not 5% of what I do work in."
"It's mandatory. You have to sign up!"
"I have a mail from you that says..."
"It's now mandatory! Sign up today!"
Tilley's "Realistic Evaluation"
