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Behavior
Behavior
Behavior
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Behavior (American English) or behaviour (British English) is the range of actions of individuals, organisms, systems or artificial entities in some environment.[citation needed] These systems can include other systems or organisms as well as the inanimate physical environment. It is the computed response of the system or organism to various stimuli or inputs, whether internal or external, conscious or subconscious, overt or covert, and voluntary or involuntary.[1] While some behavior is produced in response to an organism's environment (extrinsic motivation), behavior can also be the product of intrinsic motivation, also referred to as "agency" or "free will".

Taking a behavior informatics perspective, a behavior consists of actor, operation, interactions, and their properties. This can be represented as a behavior vector.[2]

Models

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Biology

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Main article: Behavioral ecology

Definition

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Behavior may be defined as "the internally coordinated responses (actions or inactions) of whole living organisms (individuals or groups) to internal or external stimuli".[3]

A broader definition of behavior, applicable to plants and other organisms, is similar to the concept of phenotypic plasticity. It describes behavior as a response to an event or environment change during the course of the lifetime of an individual, differing from other physiological or biochemical changes that occur more rapidly, and excluding changes that are a result of development (ontogeny).[4][5]

Behaviour can be regarded as any action of an organism that changes its relationship to its environment. Behavior provides outputs from the organism to the environment.[6]

Determination by genetics or the environment

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Behaviors can be either innate or learned from the environment, or both, dependent on the organism.[7] The more complex nervous systems (or brains) are, the more influence learning has on behavior. However, even in mammals, a large fraction of behavior is genetically determined. For instance, prairie voles tend to be monogamous while, while meadow voles are more promiscuous, a difference that is strongly determined by a single gene, Avpr1a, encoding a receptor for the peptide hormone Vasopressin.[8]

Human behavior

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Main article: Human behavior

The endocrine system and the nervous system likely influence human behavior. Complexity in the behavior of an organism may be correlated to the complexity of its nervous system. Generally, organisms with more complex nervous systems have a greater capacity to learn new responses and thus adjust their behavior.[9]

Consumer behaviour is the behavior of humans when they act or treated as consumers.

Animal behavior

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Main article: Ethology

Ethology is the scientific and objective study of animal behavior, usually with a focus on behavior under natural conditions, and viewing behavior as an evolutionarily adaptive trait.[10] Behaviorism is a term that also describes the scientific and objective study of animal behavior, usually referring to measured responses to stimuli or trained behavioral responses in a laboratory context, without a particular emphasis on evolutionary adaptivity.[11]

In management

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Behavior outside of psychology includes

Organizational

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In management, behaviors are associated with desired or undesired focuses. Managers generally note what the desired outcome is, but behavioral patterns can take over. These patterns are the reference to how often the desired behavior actually occurs. Before a behavior actually occurs, antecedents focus on the stimuli that influence the behavior that is about to happen. After the behavior occurs, consequences fall into place. Consequences consist of rewards or punishments.

Social behavior

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Main article: Social behavior

Social behavior is behavior among two or more organisms within the same species, and encompasses any behavior in which one member affects the other. This is due to an interaction among those members. Social behavior can be seen as similar to an exchange of goods, with the expectation that when one gives, one will receive the same. This behavior can be affected by both the qualities of the individual and the environmental (situational) factors. Therefore, social behavior arises as a result of an interaction between the two—the organism and its environment. This means that, in regards to humans, social behavior can be determined by both the individual characteristics of the person, and the situation they are in.

Behavior informatics

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Behavior informatics[2] also called behavior computing,[12] explores behavior intelligence and behavior insights from the informatics and computing perspectives.

Different from applied behavior analysis from the psychological perspective, BI builds computational theories, systems and tools to qualitatively and quantitatively model, represent, analyze, and manage behaviors of individuals, groups and/or organizations.

Health

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See also: Health belief model, Theory of planned behavior, Transtheoretical model, and Self-efficacy

Health behavior refers to a person's beliefs and actions regarding their health and well-being. Health behaviors are direct factors in maintaining a healthy lifestyle. Health behaviors are influenced by the social, cultural, and physical environments in which we live. They are shaped by individual choices and external constraints. Positive behaviors help promote health and prevent disease, while the opposite is true for risk behaviors.[13] Health behaviors are early indicators of population health. Because of the time lag that often occurs between certain behaviors and the development of disease, these indicators may foreshadow the future burdens and benefits of health-risk and health-promoting behaviors.

Correlates

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A variety of studies have examined the relationship between health behaviors and health outcomes (e.g., Blaxter 1990) and have demonstrated their role in both morbidity and mortality.

These studies have identified seven features of lifestyle which were associated with lower morbidity and higher subsequent long-term survival (Belloc and Breslow 1972):

  • Avoiding snacks
  • Eating breakfast regularly
  • Exercising regularly
  • Maintaining a desirable body weight
  • Moderate alcohol intake
  • Not smoking
  • Sleeping 7–8hrs per night

Health behaviors impact upon individuals' quality of life, by delaying the onset of chronic disease and extending active lifespan. Smoking, alcohol consumption, diet, gaps in primary care services and low screening uptake are all significant determinants of poor health, and changing such behaviors should lead to improved health. For example, in US, Healthy People 2000, United States Department of Health and Human Services, lists increased physical activity, changes in nutrition and reductions in tobacco, alcohol and drug use as important for health promotion and disease prevention.

Treatment approach

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Any interventions done are matched with the needs of each individual in an ethical and respected manner. Health belief model encourages increasing individuals' perceived susceptibility to negative health outcomes and making individuals aware of the severity of such negative health behavior outcomes. E.g. through health promotion messages. In addition, the health belief model suggests the need to focus on the benefits of health behaviors and the fact that barriers to action are easily overcome. The theory of planned behavior suggests using persuasive messages for tackling behavioral beliefs to increase the readiness to perform a behavior, called intentions. The theory of planned behavior advocates the need to tackle normative beliefs and control beliefs in any attempt to change behavior. Challenging the normative beliefs is not enough but to follow through the intention with self-efficacy from individual's mastery in problem solving and task completion is important to bring about a positive change.[14] Self efficacy is often cemented through standard persuasive techniques.

See also

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References

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Further reading

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

Behavior

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Behavior is the range of activities and responses exhibited by organisms to internal or external stimuli, including observable actions, subjective inner experiences such as thoughts and feelings, and physiological reactions like changes in or levels. This encompasses everything from simple reflexes to complex social interactions, serving as a key mechanism through which living organisms adapt to and influence their environments. In biological terms, behavior represents the coordinated actions or inactions of whole —whether individuals or groups—in response to stimuli over time, highlighting its role in , , and . The scientific study of behavior spans multiple disciplines within the behavioral sciences, which integrate natural and social sciences to understand human and animal actions. In , behavior is examined alongside mental processes to explain cognition, emotion, and learning, often through experimental methods that distinguish between innate and acquired responses. , a branch of zoology, focuses on the natural observation of animal behavior, emphasizing instinctive patterns and their adaptive value in wild settings. Meanwhile, and biological psychology investigate the neural, hormonal, and genetic foundations of behavior, revealing how brain structures and biochemical processes underpin everything from motivation to decision-making. Behavior arises from a dynamic interplay of biological, psychological, environmental, and social factors, with no single element acting in isolation. Genetically inherited traits interact with environmental influences to shape behavioral tendencies, such as how activity in the modulates responses to stress or reward. Social contexts, including cultural norms and interpersonal dynamics, further modify these patterns, as seen in learned behaviors that vary across societies. Understanding these influences is crucial for fields like , , and , where insights into behavior inform interventions to promote and societal .

Fundamental Concepts

Definition

Behavior refers to the range of actions, reactions, or inactions exhibited by an , individual, or in response to internal or external stimuli, often characterized as and measurable coordinated responses of whole living entities. This encompasses changes in activity that go beyond purely physiological processes, such as cellular reactions, to include integrated organismal outputs like movement or . In interdisciplinary contexts, behavior is studied for its functional role in and interaction with the environment, applicable across , , and even engineered systems. The word "behavior" entered English in the late as an alteration of "behavour," derived from the "behave," which combines the prefix "be-" (intensive) with "have" (to hold or manage), ultimately tracing to "avoir" (to have) and Latin roots implying possession or conduct. Over time, its usage shifted from denoting personal possession or manner to specifically describing observable conduct or deportment, as in "manner of behaving, whether good or bad." A key distinction in behavioral analysis separates overt behavior—visible, external actions such as locomotion, vocalization, or gestures that can be directly observed and quantified—from covert behavior, which involves internal processes like , emotions, or physiological states that are not immediately apparent but may be inferred through self-reports, physiological monitoring, or behavioral proxies. This differentiation underscores the emphasis on measurability in empirical studies, where overt actions provide primary , while covert elements require indirect validation. Illustrative examples highlight behavior's spectrum: in simple organisms, reflexive responses like phototaxis in photosynthetic , where cells orient toward light for energy optimization, represent basic stimulus-driven reactions. In contrast, higher display complex, goal-directed behaviors, such as a predator's stalking and pouncing on prey, which integrate sensory input, learning, and to achieve survival objectives.

Historical Development

The study of behavior traces its roots to , where , in his Historia Animalium (circa 350 BCE), systematically classified animals based on observable traits, including their habits, locomotion, and social interactions, laying early groundwork for empirical zoological observation. This work emphasized through direct examination rather than speculation, influencing subsequent biological thought. Complementing these efforts, emerged in philosophical traditions as a theory positing that mental processes arise from the linking of ideas through contiguity, resemblance, or causation, with precursors in Aristotle's discussions of memory and later developments by empiricists like and in the 17th and 18th centuries. These ideas provided a conceptual bridge between sensory experience and behavioral responses, foreshadowing psychological explanations of learning. In the 19th century, advanced the field by integrating behavior with evolutionary theory in The Expression of the Emotions in Man and Animals (1872), arguing that emotional displays such as smiling or frowning in humans and animals evolved through to serve adaptive functions, like communication or threat signaling. Darwin's comparative approach demonstrated continuity between human and animal behaviors, challenging anthropocentric views and establishing behavior as a key mechanism in species . This evolutionary perspective shifted focus from static classifications to dynamic, heritable processes, profoundly influencing and . The early 20th century marked the rise of behaviorism, a paradigm that prioritized observable actions over internal mental states. John B. Watson's 1913 manifesto, "Psychology as the Behaviorist Views It," rejected introspection as unscientific and advocated for psychology as an objective science studying stimulus-response relations in humans and animals. Building on this, B.F. Skinner developed operant conditioning in the 1930s, introducing the concept in 1937 to describe how behaviors are shaped by reinforcements and punishments, as detailed in his 1938 book The Behavior of Organisms. Skinner's experimental methods, using devices like the Skinner box, emphasized environmental contingencies over innate drives, dominating psychological research for decades. By the mid-20th century, the challenged behaviorism's exclusivity. Noam Chomsky's 1959 review of Skinner's critiqued the stimulus-response model for failing to account for the innate, rule-based nature of , arguing that mental structures mediate behavior. This critique, published in , catalyzed a broader shift toward incorporating cognitive processes like and into behavioral explanations during the and . The revolution integrated information-processing models, drawing from analogies to view the mind as a computational system. In the late 20th and early 21st centuries, behavioral science evolved through interdisciplinary integrations, notably with and . The rise of , sparked by and Amos Tversky's in their 1979 paper, revealed systematic deviations from rational choice models, showing how and framing effects influence . Concurrently, advances in linked behavioral patterns to neural circuits, while AI models, inspired by behavioral data, simulated learning algorithms akin to . These convergences, evident in fields like since the 1990s, have enriched understandings of adaptive behaviors across biological and artificial systems.

Biological Perspectives

Biological Definition

In biology, behavior is defined as the internally coordinated responses (actions or inactions) of whole living organisms (individuals or groups) to internal and/or external stimuli. These responses encompass coordinated physiological activities, often involving the nervous, muscular, and hormonal systems, that allow organisms to detect and react to changes in their surroundings or internal states. Within biological contexts, behavior is framed as adaptive responses that promote and , serving essential functions such as for food resources, to propagate genes, and predator avoidance to minimize mortality risks. Key characteristics of biological behavior include the distinction between innate and learned forms, as well as proximate and ultimate causal explanations. Innate behaviors are instinctual and genetically determined, emerging without prior learning; for instance, orb-weaving spiders construct complex webs through a fixed sequence of movements programmed from birth. Learned behaviors, by contrast, develop through experience and environmental interaction, allowing flexibility in response to varying conditions. Proximate causes address the immediate mechanisms triggering behavior, such as neural or hormonal pathways, while ultimate causes focus on its evolutionary origins and adaptive significance in enhancing fitness. Illustrative examples across taxa highlight these features. Fixed action patterns, innate sequences elicited by specific stimuli, are evident in the egg-rolling behavior of greylag geese, where the bird performs a stereotyped retrieval motion upon seeing an displaced from the nest, even if the egg is absent during the action—a phenomenon detailed by ethologist Niko Tinbergen. Circadian rhythms exemplify rhythmic behavioral adaptations, entraining daily cycles of activity, rest, and feeding to light-dark environmental cues, which optimizes energy allocation and reduces exposure to diurnal risks. Quantitative measurement of biological behavior relies on standardized, objective techniques to catalog and analyze responses. Ethograms provide comprehensive inventories of species-typical behaviors, defining each action's form, duration, and context for systematic observation. In controlled laboratory environments, metrics like latency—the interval from stimulus onset to behavioral initiation—and response duration quantify reaction speed and reliability, facilitating comparisons of innate versus learned components across individuals.

Genetic and Environmental Determinants

Behavior arises from the complex interplay between genetic predispositions and environmental influences, with twin studies providing key evidence for estimates in traits ranging from 40% to 60%. These estimates derive from comparisons of monozygotic and dizygotic twins, indicating that genetic factors account for a substantial portion of variance in traits like extraversion and , while shared environments contribute less. Specific genes, such as variants of the gene (DRD4), have been associated with novelty-seeking behavior, where longer repeat alleles correlate with higher and tendencies in both humans and nonhuman . Complex behaviors, including and , typically follow polygenic patterns, involving the cumulative effects of numerous genetic variants rather than single genes, as demonstrated by genome-wide association studies that identify polygenic scores predicting behavioral outcomes. Environmental factors, including upbringing, cultural norms, and life experiences, profoundly shape behavior by modulating neural development and learning processes. Classic experiments by in the 1950s with rhesus monkeys illustrated the critical role of early social contact in forming attachment; isolated infants deprived of maternal-like comfort displayed severe emotional disturbances, such as rocking and self-clasping, persisting into adulthood and underscoring the necessity of tactile and social stimulation for normal behavioral development. Cultural environments further influence behaviors like and risk-taking, with variations observed across societies that prioritize collectivism versus , as evidenced by . The interaction between genes and environment, known as gene-environment interplay (GxE), reveals how genetic vulnerabilities can be amplified or mitigated by external conditions, often through epigenetic mechanisms. For instance, in induces epigenetic modifications, such as changes in genes, altering stress response behaviors across generations via altered in the hippocampus. A landmark study by Caspi et al. (2002) demonstrated GxE in humans, finding that maltreated children with low-activity variants of the () gene exhibited higher rates of antisocial and aggressive behavior in , whereas high-activity variants buffered against such outcomes despite similar maltreatment. Recent studies as of 2025 have extended these findings to neurodevelopmental conditions, such as how environmental exposures may influence the epigenetic expression of genes related to autism spectrum disorders. From an evolutionary perspective, favors behaviors that enhance survival and reproduction, with explaining toward relatives through Hamilton's rule: rB>CrB > C, where rr represents genetic relatedness, BB the fitness benefit to the recipient, and CC the to the actor; this principle accounts for cooperative behaviors in social species, such as and assistance, by promoting the propagation of shared genes.

Studies of Behavior

Human Behavior

Human behavior encompasses the complex array of actions, thoughts, and emotions exhibited by individuals, shaped by intricate interactions among psychological, cognitive, and cultural factors that enable abstract reasoning, , and adaptation beyond instinctual responses. Unlike simpler behavioral patterns observed in other , human behavior is profoundly influenced by motivation theories that explain goal-directed actions. Clark Hull's drive reduction theory, proposed in 1943, posits that behavior arises from biological drives, such as hunger or , which create tension that motivates actions to restore through . Similarly, Abraham , outlined in his 1943 paper, structures motivation as a pyramid progressing from physiological needs to , suggesting that lower-level needs must be met before higher ones emerge to drive behavior. In contrast, Sigmund Freud's structural model of the psyche, introduced in 1923, divides personality into the id (primitive impulses seeking immediate gratification), ego (rational mediator balancing reality), and superego (moral conscience), though this framework has faced significant critique for its lack of empirical testability and reliance on unobservable constructs. Cognitive processes further distinguish human behavior through advanced mental operations that facilitate and . Language and symbolic thought allow s to represent abstract concepts, manipulate ideas internally, and engage in hypothetical reasoning, enabling long-term and problem-solving that exceed immediate environmental cues. However, these processes are prone to systematic errors, such as , where individuals favor information confirming preexisting beliefs while ignoring contradictory evidence, as demonstrated in Peter Wason's 1960 experiments on hypothesis testing. This bias can distort judgment in everyday decisions, from personal choices to professional evaluations, highlighting the fallibility of human despite its sophistication. Cultural influences profoundly mold human behavior by embedding norms, rituals, and values that guide social interactions and individual identity formation. Geert Hofstede's cultural dimensions theory, developed in 1980 based on extensive cross-national surveys, identifies key axes like individualism (prioritizing personal goals, common in Western societies) versus collectivism (emphasizing group harmony, prevalent in many Asian cultures), which predict behavioral differences such as independence versus interdependence in decision-making. Enculturation through these dimensions fosters behaviors aligned with societal expectations, such as deference to authority in high power-distance cultures. Developmental perspectives reveal how evolves across the lifespan through structured stages of growth. Jean , first detailed in 1936, delineates four stages—from sensorimotor (birth to 2 years, focused on sensory-motor coordination) to formal operational ( onward, involving abstract and hypothetical thinking)—illustrating how children progressively build schemas to interpret and interact with the world. Complementing this, John Bowlby's , articulated in 1969, emphasizes early caregiver-child bonds as foundational to emotional regulation and social behavior, with secure attachments promoting exploratory confidence and resilience in later interactions. These stages underscore the dynamic, experience-dependent nature of human behavioral maturation.

Animal Behavior

Animal behavior, or , is the scientific study of the actions and reactions of non-human animals in their natural environments, emphasizing observable patterns driven by instincts, adaptations, and ecological pressures. This field, pioneered by researchers like and Niko Tinbergen, integrates to examine how behaviors enhance survival and across species. Unlike studies of , ethology focuses on innate responses and learned modifications that reveal evolutionary trade-offs, such as during or coordination in social groups. A foundational framework in is provided by , outlined in his paper, which guide the analysis of any behavior through causation (immediate triggers and mechanisms), development (how it forms during an individual's life), (phylogenetic history), and function (adaptive value for survival and reproduction). These questions promote a multilevel approach, ensuring that explanations of behaviors like displays or predator avoidance consider both proximate causes, such as hormonal influences, and ultimate benefits, like increased offspring viability. For instance, causation might explore neural pathways, while function assesses how the behavior improves fitness in specific habitats. This holistic method has shaped modern behavioral research, influencing studies from insect navigation to mammalian parenting. Distinctions between and learning highlight the interplay of innate and experiential factors in actions. Imprinting, a rapid form of learning described by Lorenz in 1935, occurs in precocial birds like ducklings, where they form irreversible attachments to the first moving object encountered shortly after , typically the , ensuring and guidance. This sensitive period demonstrates how genetically programmed readiness combines with environmental cues to produce adaptive bonds, as seen when ducklings follow substitutes if isolated from mothers. In contrast, learned behaviors like tool use in illustrate flexibility; chimpanzees in Gombe, , fashion modified sticks to fish from mounds, a culturally transmitted observed by in the 1960s that modifies stems by stripping leaves for better insertion. Such examples underscore how instincts provide a baseline, while learning allows to variable resources, balancing rigidity with plasticity. Communication underpins social structures in animals, facilitating coordination and . In , pheromones—species-specific chemical signals—mediate interactions, such as aggregation or alarm responses; for example, trail pheromones in guide foraging columns by evaporating after use, optimizing path efficiency in colonies. These releaser pheromones elicit immediate behavioral changes via olfactory receptors, enhancing group cohesion without visual cues. Among vertebrates, dominance hierarchies organize packs, which are typically units led by breeding parents rather than aggressive , as clarified by long-term field studies. Submissive signals, like tail tucking, maintain order and reduce intra-pack fighting, allowing cooperative hunting and pup-rearing; observations in Yellowstone packs show that yearlings defer to parents, stabilizing resource access. These structures minimize energy waste from conflicts, promoting survival in competitive environments. Behavioral ecology applies evolutionary principles to understand how animals optimize actions amid environmental constraints. , developed by MacArthur and Pianka in , posits that predators select prey to maximize net intake relative to handling time and search costs, often ignoring lower-profit options when high-value prey are abundant. Graphical models illustrate this prey choice, where profitability ( gained per unit time) determines diet breadth; for instance, shorebirds may skip small clams if larger ones suffice, balancing risk of predation during . Migration patterns in birds exemplify such strategies, with like Arctic terns undertaking annual journeys of over 40,000 kilometers to exploit seasonal resources, timing departures to align with food peaks and minimizing expenditure through fat accumulation and wind-assisted flight. These behaviors reflect adaptations to spatiotemporal resource variability, where deviations from optimality, such as delayed migrations due to shifts, can reduce .

Social and Organizational Behavior

Social Behavior

Social behavior encompasses the interactions among individuals within groups, shaped by shared norms, expectations, and mutual influences that facilitate cooperation, conformity, and conflict resolution in social settings. These interactions often prioritize group cohesion over individual autonomy, enabling collective decision-making and resource sharing. Fundamental to social behavior are mechanisms like conformity, where individuals align their actions with group standards to maintain harmony, and obedience, which reflects deference to authority figures within the social hierarchy. Such dynamics highlight how social contexts can override personal judgments, fostering adaptive group functioning across diverse environments. A cornerstone of social behavior is conformity, demonstrated in Solomon Asch's 1951 experiments where participants adjusted their perceptions of line lengths to match incorrect group consensus, with about 37% conforming on critical trials despite clear evidence to the contrary. This illustrates informational and normative influences, where individuals conform to gain acceptance or avoid rejection, a pattern replicated in subsequent studies showing conformity rates varying by group size and unanimity. Similarly, obedience emerges as a key concept, as seen in Stanley Milgram's 1963 study, in which 65% of participants administered what they believed were lethal electric shocks to a learner under experimenter , underscoring how situational pressures can elicit compliance even against moral intuitions. Altruism and reciprocity further define prosocial aspects of social behavior; ' 1971 theory of posits that individuals perform costly acts for non-kin, expecting future reciprocation, which stabilizes cooperative exchanges and has been observed in human gift-giving and animal alliances. Group dynamics in social behavior often involve in-group bias and stereotyping, as outlined in and John Turner's (1979), where individuals favor their own group to enhance , leading to preferential and negative out-group perceptions even in minimal group settings. in complements this by explaining how individuals enact prescribed behaviors tied to social positions, such as statuses (e.g., parent, teacher) carrying expectations that guide interactions and maintain social order, as elaborated in Bruce Biddle's 1986 review of developments. These elements foster group cohesion but can exacerbate conflicts through biased judgments. Cross-cultural variations in social behavior reveal contrasts between collectivism and ; Geert Hofstede's cultural dimensions framework (1980) scores Asian societies like high on collectivism (IDV 46), emphasizing group harmony and interdependence, while Western nations like the score high on (IDV 91), prioritizing personal achievement and ; however, the model has been criticized for oversimplification and cultural stereotyping, with some scores updated in later analyses. Parallels exist in animal social structures, such as in bee hives, where workers altruistically forgo reproduction to support the colony, as described by E.O. Wilson's 1971 analysis of hymenopteran societies, illustrating evolutionary precursors to human group-oriented behaviors. Aggression and in social contexts trace evolutionary roots to resource competition, where secures mates, territory, or food, as modeled in Robert Wrangham and Luke Glowacki's 2012 review linking human intergroup violence to patterns driven by resource scarcity. counterbalance this through reciprocity and , promoting group survival. exacerbates in crowds, as Philip Zimbardo's 1969 theory explains how anonymity and reduced accountability lead to impulsive acts, evidenced in his experiments where hooded participants delivered stronger shocks than identifiable ones. Together, these processes underscore the adaptive tension between conflict and cooperation in social groups.

Organizational Behavior

Organizational behavior is the study of how individuals and groups act within organizational settings, applying principles from , , and to enhance workplace effectiveness, employee satisfaction, and overall performance. It examines factors influencing employee , styles, team interactions, and responses to organizational change, aiming to create environments that foster and adaptability. Emerging as a distinct field in the mid-20th century, it draws on to address real-world challenges in businesses, nonprofits, and public institutions, emphasizing the interplay between personal behaviors and structural elements like policies and . A foundational concept in is Herzberg's , which distinguishes between motivators—intrinsic elements such as achievement, recognition, and responsibility that drive and performance—and hygiene factors—extrinsic aspects like , working conditions, and company policies that, if inadequate, cause dissatisfaction but do not necessarily motivate when present. Developed through interviews with engineers and accountants, this 1959 model posits that addressing factors prevents dissatisfaction, while enhancing motivators promotes higher engagement and innovation. Another key theory is , introduced by in 1978, which describes leaders who inspire followers to transcend self-interest for collective goals by fostering vision, intellectual stimulation, and individualized consideration, leading to elevated motivation and . Unlike focused on exchanges, transformational approaches have been linked to improved employee and adaptability in dynamic environments. Team dynamics in organizations are often analyzed through Bruce Tuckman's 1965 stages of group development: forming, where members orient themselves and establish ; storming, involving conflicts as differences emerge; norming, as cohesion builds and roles clarify; and performing, when the group achieves high through . This model, derived from a review of 50 studies on small groups, highlights how teams evolve over time, with effective of early stages reducing friction and enhancing outcomes. , as outlined in Edgar Schein's 1985 model, comprises three levels: visible artifacts like symbols and behaviors; espoused values such as stated ; and underlying assumptions that shape unconscious perceptions. Schein emphasized that leaders embed culture through consistent actions, and diverse workforces—encompassing differences in demographics, experiences, and perspectives—can amplify by generating varied ideas and problem-solving approaches, as evidenced in studies showing positive correlations between diversity management and creative outputs in firms. Change management within addresses resistance to shifts, often using Kurt Lewin's 1947 force-field analysis, which views change as equilibrium between driving forces (e.g., new opportunities or pressures) and restraining forces (e.g., fear of unknown or inertia). Lewin advocated unfreezing the , implementing changes, and refreezing to stabilize, a process that helps diagnose barriers and strategies for successful transitions, such as communication and involvement to minimize pushback.

Health and Well-being

Health Correlates

Sedentary behavior, characterized by prolonged periods of sitting or low , is strongly linked to increased of (CVD). According to the , in 2022 approximately 31% of adults worldwide were insufficiently physically active, one of the leading factors for noncommunicable diseases mortality, with insufficient activity associated with a 20-30% increased of death. This association arises from mechanisms such as reduced endothelial function, elevated , and metabolic dysregulation, with epidemiological studies showing that adults engaging in less than 150 minutes of moderate aerobic activity per week face a 20-30% higher CVD compared to active individuals. Unhealthy dietary behaviors, particularly high intake of processed foods, sugars, and saturated fats, correlate closely with , a major precursor to numerous physical issues. The Centers for Disease Control and Prevention (CDC) reports that poor nutrition is a primary modifiable risk factor for , affecting 40.3% of U.S. adults as of 2021-2023 and contributing to comorbidities like and . Longitudinal data indicate a dose-response relationship between sugar-sweetened beverage consumption and increased risk of and related conditions like , where each additional serving daily is associated with a 26% higher risk of in adults. Irregular sleep patterns, such as variable bedtimes or insufficient duration, are associated with heightened risks, including depression. Individuals with , a common manifestation of irregular sleep, face up to a tenfold increased likelihood of developing depression compared to those with normal sleep. Substance use often emerges as a maladaptive coping mechanism for underlying , with studies showing that people with depression or anxiety are twice as likely to engage in heavy alcohol or use to self-medicate emotional pain. This bidirectional link exacerbates both conditions, as chronic substance use disrupts neurochemical balance and perpetuates sleep disturbances. On the protective side, regular exercise functions as a natural by promoting endorphin release, which elevates mood and reduces symptoms of depression. Meta-analyses confirm that aerobic activities like running or , performed at moderate intensity for 30 minutes most days, yield effects comparable to in mild to moderate cases, with participants reporting 20-30% symptom reduction. Similarly, strong social connectedness buffers against mortality, with a seminal finding that individuals with robust social ties have a 50% greater survival likelihood, an impact equivalent to quitting . Epidemiological evidence underscores dose-response relationships in behavioral health correlates, such as alcohol consumption and . Risk for increases above approximately 30 grams of pure alcohol daily (about 2-3 standard drinks), with heavy drinkers (>60g/day) facing substantially increased incidence of compared to abstainers or light users. These thresholds highlight how cumulative exposure amplifies harm, informing guidelines on moderation.

Treatment Approaches

Treatment approaches for maladaptive behaviors primarily encompass evidence-based psychological and medical interventions aimed at fostering adaptive changes through structured techniques. Behavioral therapies form a foundational pillar, drawing from principles of classical and operant conditioning to directly modify problematic responses. Systematic desensitization, developed by Joseph Wolpe, applies classical conditioning by pairing relaxation with gradual exposure to anxiety-provoking stimuli, effectively treating phobias by inhibiting fear responses through reciprocal inhibition. This technique has demonstrated lasting reductions in phobic symptoms, with early clinical cases showing complete resolution after 10-20 sessions. Operant conditioning techniques, such as token economies, reinforce desired behaviors using tangible rewards that can be exchanged for privileges, originating from applications in institutional settings to promote compliance and skill acquisition in individuals with severe mental disorders. Cognitive-behavioral therapy (CBT) integrates with behavioral strategies, as outlined in Aaron T. Beck's 1967 model, which posits that distorted thinking patterns underpin emotional disorders like depression and anxiety. In this approach, therapists help patients identify and challenge negative automatic thoughts to alter maladaptive behaviors. Meta-analyses confirm CBT's efficacy for anxiety disorders, with diagnostic remission rates around 54% post-treatment, indicating substantial clinical improvement in over half of cases compared to waitlist controls. Pharmacological aids often complement behavioral interventions, particularly for disorders involving compulsive behaviors. Selective serotonin reuptake inhibitors (SSRIs), such as and sertraline, are first-line treatments for obsessive-compulsive disorder (OCD), reducing symptom severity by modulating serotonin levels in brain circuits associated with obsessions and compulsions. A of SSRI trials reports response rates of approximately 40-60%, defined as at least a 25-35% reduction in Yale-Brown Obsessive Compulsive Scale scores, outperforming . For addiction, employs operant principles through voucher systems that provide monetary incentives for verified , significantly increasing days of abstinence and treatment retention in substance use disorders like . Systematic reviews indicate that voucher-based programs yield 2-3 times higher abstinence rates than standard care alone during treatment. Modern integrations expand these foundations with holistic and accessible methods. (MBSR), pioneered by in 1990, incorporates mindfulness meditation to enhance awareness and reduce stress-related behaviors, showing efficacy in lowering levels and improving emotional regulation in conditions. Post-2020 adaptations, driven by the , have integrated into behavioral therapies, enabling remote delivery of CBT and with comparable outcomes to in-person sessions, as evidenced by reduced anxiety symptoms in virtual formats. These evolutions emphasize personalized, technology-supported interventions to broaden access while maintaining therapeutic rigor.

Behavior Informatics

Core Principles

Behavior informatics (BI) is an interdisciplinary field that fuses behavioral , , and to systematically represent, model, analyze, mine, understand, and utilize behaviors for deriving behavior intelligence and insights. This approach treats behaviors not merely as psychological or social phenomena but as quantifiable entities amenable to computational processing, enabling the simulation and prediction of actions across individuals or groups. Coined in the late by researcher Longbing Cao, BI emerged to address the growing availability of behavioral data in digital environments, shifting focus from traditional observational methods to data-driven paradigms. At its core, BI views behavior as dynamic data streams—sequences of timestamped events or actions recorded from sources such as user clickstreams, mobile logs, or transaction histories. This representation allows for techniques to detect recurring motifs, transitions, or anomalies within these traces, facilitating the extraction of meaningful behavioral regularities that inform decision-making in applications like personalized recommendations or . By conceptualizing behavior in this structured, temporal form, BI principles emphasize and , prioritizing the transformation of raw event logs into actionable without relying on exhaustive manual interpretation. Theoretical frameworks in BI include agent-based modeling, which simulates autonomous agents interacting within defined environments to replicate and forecast emergent behaviors at population scales, such as crowd dynamics or market trends. Complementing this, ontology-based representations provide a for behaviors, employing standards like to define entities, relationships, and hierarchies—e.g., linking actions to contexts or intentions—for enhanced and across datasets. These frameworks underscore BI's commitment to rigorous, formalizable structures that bridge micro-level actions with macro-level insights. Ethical considerations are integral to BI, particularly regarding privacy in handling sensitive behavioral data, where regulations like the EU's General Data Protection Regulation (GDPR) mandate explicit consent, data minimization, and anonymization to mitigate risks from pervasive tracking in digital ecosystems. Additionally, BI must address biases in algorithmic predictions of behavior, which can arise from skewed training data and perpetuate inequities, necessitating fairness audits and diverse dataset curation to ensure equitable outcomes.

Methods and Tools

In behavior informatics, data collection methods leverage computational technologies to capture granular behavioral signals from diverse sources. Wearable devices, such as trackers, enable continuous monitoring of patterns, including steps, , and cycles, which are aggregated to infer daily routines and health-related behaviors in longitudinal studies. Social media APIs, like those from or , facilitate the extraction of textual data for , allowing researchers to quantify emotional states and social interactions at scale by processing millions of posts to detect trends in or mood. Eye-tracking systems, employed in (UX) studies, record gaze fixations and saccades on digital interfaces to reveal attentional biases and during tasks, providing objective metrics of user engagement beyond self-reports. Analytical methods in behavior informatics apply algorithms to process these datasets for predictive insights. For instance, partitions user behavioral data into subgroups based on similarity in features like interaction frequency or session duration, enabling the identification of distinct user personas for targeted interventions, as demonstrated in educational settings where student engagement patterns predict academic outcomes. Sequence mining techniques, supported by open-source toolkits like SPMF, uncover recurring patterns in temporal data, such as the formation of habits through repeated action sequences in activity logs, by applying algorithms like PrefixSpan to databases of user timelines. Simulation tools model complex behavioral dynamics probabilistically or through agent interactions. , an agent-based modeling environment, simulates crowd behavior by defining autonomous agents with rules for movement and decision-making, replicating emergent phenomena like evacuation flows in scenarios to test spatial influences on . Bayesian networks support probabilistic inference of behaviors by representing variables as nodes in a , computing conditional probabilities to predict outcomes like from observed actions in dynamic contexts, such as real-time social interactions. These methods find application in personalized systems and modeling. Netflix's recommendation algorithms integrate behavioral data from viewing histories and interactions via to suggest content, achieving over 80% of user engagement through tailored rows on the homepage. In epidemic modeling, apps during the 2020 outbreak used behavioral contagion models on multilayer networks to simulate infection spread, incorporating human mobility and compliance data to evaluate intervention efficacy and reduce transmission rates by up to 30% in high-adoption scenarios.

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