(* These were in the Alexander discussion draft too; I had them in the wrong column last time. (educationnext.org)
Here's what John Hattie says about about it: «At the last minute in editing I substituted the wrong column of data into the CLE column and did not pick up this error; I regret this omission. (visible-learning.org)
How can you possibly get in trouble for putting something in a wrong column if the final tax liability doesn't change. (money.stackexchange.com)