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consequences of perceptions.

The most basic of Maslow’s needs are physiological needs. Physiological needs refer to the need for food, water, and other biological needs. These needs are basic because when they are lacking, the search for them may overpower all other urges. Imagine being very hungry. At that point, all your behavior may be directed at finding food. Once you eat, though, the search for food ceases and the promise of food no longer serves as a motivator. Once physiological needs are satisfied, people tend to become concerned about safety needs. Are they free from the threat of danger, pain, or an uncertain future? On the next level up, social needs refer to the need to bond with other human beings, be loved, and form lasting attachments with others. In fact, attachments, or lack of them, are associated with our health and well-being.Baumeister, R. F., & Leary, M. R. (1995). The need to belong: Desire for interpersonal attachments as a fundamental human motivation. Psychological Bulletin117, 497–529. The satisfaction of social needs makes esteem needs more salient. Esteem need refers to the desire to be respected by one’s peers, feel important, and be appreciated. Finally, at the highest level of the hierarchy, the need for self-actualization refers to “becoming all you are capable of becoming.” This need manifests itself by the desire to acquire new skills, take on new challenges, and behave in a way that will lead to the attainment of one’s life goals.

Maslow was a clinical psychologist, and his theory was not originally designed for work settings. In fact, his theory was based on his observations of individuals in clinical settings; some of the individual components of the theory found little empirical support. One criticism relates to the order in which the needs are ranked. It is possible to imagine that individuals who go hungry and are in fear of their lives might retain strong bonds to others, suggesting a different order of needs. Moreover, researchers failed to support the arguments that once a need is satisfied it no longer serves as a motivator and that only one need is dominant at a given time.Neher, A. (1991). Maslow’s theory of motivation: A critique. Journal of Humanistic Psychology31, 89–112; Rauschenberger, J., Schmitt, N., & Hunter, J. E. (1980). A test of the need hierarchy concept by a Markov model of change in need strength. Administrative Science Quarterly25, 654–670.