1) Offsetting 
• (p. pr. & vb. n.) of Counterbalance
A procedure in behavorial research for distributing unwanted but unavoidable influences equally among the different experimental conditions or subjects. ... (05 Mar 2000) ... 
Type: Term Pronunciation: kown′ter-bal′antz-ing Definitions: 1. A procedure in behavorial research for distributing unwanted but unavoidable influences equally among the different experimental conditions or subjects.
[adj] - serving to equilibrate
adjective serving to equilibrate; `he added a counterbalancing weight`