4-4 The Motivation Process Needs refer to deficiencies an individual experiences at a particular time Physiological Psychological Sociological Needs Needs Needs (Food, Water)(Self-Esteem)(Social Interaction) Mcgraw-hillarwin Copyright@ 2002 by The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill/Irwin Copyright © 2002 by The McGraw-Hill Companies, Inc. All rights reserved. 4-4 The Motivation Process Needs refer to deficiencies an individual experiences at a particular time. Physiological Needs (Food, Water) Psychological Needs (Self-Esteem) Sociological Needs (Social Interaction)