Filed from 3 published puzzles

YARDSTICK

Set to 3 different clues across 3 published puzzles, most often “Standard” — The New York Times, Saturday, 5 April 2008.

9 letters

Every clue on record, most used first

Standardonce
The New York Times — Saturday, 5 April 2008
Tape alternativeonce
The New York Times — Thursday, 13 May 1999
Extended rule?once
The New York Times — Friday, 31 March 1995

Other answers to these clues

ETHIC5 letters
GAUGE5 letters
IDEAL5 letters
METRIC6 letters
NORM4 letters
NORMAL6 letters
OIL3 letters
PAR3 letters
POORS5 letters
STOCK5 letters