subsetting

1. gerundparticiplepresentpresent participle and gerund of subset

1. uncountablecomputingThe production of a subset.

plural subsettings

1. A secondary or subsidiary setting, one that makes up part of another setting.

   Essentially, the interviewer needs to specify environmental settings and subsettings for each of the child's deviant and desirable behaviors.

   1974, Edwin J. Thomas, Behavior Modification Procedure: A Sourcebook, page 143