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1. The manner in which one acts or behaves.
a. The actions or reactions of a person or animal in response to external or internal stimuli.
b. One of these actions or reactions: "a hormone ... known to directly control sex-specific reproductive and parenting behaviors in a wide variety of vertebrates" (Thomas Maugh II).
3. The manner in which something functions or operates: the faulty behavior of a computer program; the behavior of dying stars.

[Middle English behavour, from behaven, to behave (on the model of havour, behavior, from Old French avoir, from avoir, to have); see behave.]

be·hav′ior·al adj.
be·hav′ior·al·ly adv.
Synonyms: behavior, conduct, bearing, deportment, comportment, demeanor
These nouns all pertain to a person's actions as they constitute a means of evaluation by others. Behavior is the most general: The children were on their best behavior.
Conduct applies to actions considered from the standpoint of morality and ethics: "Life, not the parson, teaches conduct" (Oliver Wendell Holmes, Jr.).
Bearing often carries with it the implication of social standing or position: "It was evident from his bearing that he belonged to the country's ruling élite" (Amitav Ghosh).
Deportment and comportment pertain more narrowly to actions measured by a prevailing code of social behavior: "the alleged decline in standards of deportment—a significant issue for an institution that prided itself on turning out 'gentlemen'" (Jerome Karabel)."Would I see a different person, or merely the same one governed by different conventions of comportment ... accoutrement, and dress?" (Witold Rybczynski).
Demeanor suggests outward appearance that manifests inward emotion or character: "The Beth I saw now was not only nimble-footed, but her demeanor was exuberant and self-assured" (Rachel Simon).
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.behavioral - of or relating to behavior; "behavioral sciences"
References in periodicals archive ?
An FBA is a functional behavioral assessment and the first step to producing in consultation with the teacher a BIP (behavioral intervention plan).
Behavioral history, applied to areas like the emotions, sexuality or the senses, propels social historians into direct conversations with psychologists and biologists, improving the capacity to discuss the relationship between social variables and "human nature" or genetic determinisms in shaping key aspects of behavior.
Additional research, therefore, is needed to address all aspects of inhalant abuse, including the epidemiology, the behavioral, cognitive, and neurobiological antecedents and consequences of inhalant abuse, as well as the treatment and prevention of inhalant abuse.
Additionally, training in the behavioral antecedents, precursors, or "early signals" that residents exhibit prior to violent episodes can help staff intervene prior to a dangerous escalation of an incident.
They attend in-service seminars to learn to identify the behavioral indicators of child abuse.
Cathie Wright, a vocal critic of Behavioral Health, and that the Simi Valley Republican agreed to the gag order.
In addition, NIAMS is currently funding research projects related to understanding the role of behavioral factors in fibromyalgia.
Our Behavioral Bootcamp tour begins with a cold shower - this approach has virtually no impact on the behaviors of people going through change.
While one-of-a-kind experiences and perceptions of family life combine with each child's genetic heritage to create pervasive sibling differences, shared genes -- which account for half the genes possessed by all siblings save for identical twins -- foster whatever similarities they display, argue scientists who apply behavioral genetics to child development.
The opening chapter, "Models of Brain Injury Rehabilitation: From Theory to Practice," written by the text's editors, gives a nice overview of current models of rehabilitation, their shortcomings, theories of recovery, and sets up the reader to be very positive regarding a behavioral approach.
Our members are leaders in providing behavioral healthcare and wellness services for more than 110 million Americans," said Pamela Greenberg, M.
One group likely to be negatively impacted by the shortage of qualified special education teachers are those students with emotional and behavioral disorders (EBD).

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