industrial psychology

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The branch of applied psychology that is concerned with efficient management of an industrial labor force and especially with problems encountered by workers in a mechanized environment.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of several branches of psychology that seek to apply psychological principles to practical problems of education or industry or marketing etc.