Dictionary.com
Thesaurus.com

between-subjects design

British  

noun

  1. (modifier) statistics (of an experiment) concerned with measuring the value of the dependent variable for distinct and unrelated groups subjected to each of the experimental conditions Compare within-subjects design matched-pairs design

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012