Abstract
Child behavior is a form of behavior: the observable responses and actions of a child, which MeSH scopes to the period from 24 months through 12 years of age. Cognitive psychology studies it not as a catalogue of acts but as the joint product of an early-appearing temperament, the rearing environment that shapes it, and the developing cognitive systems that increasingly govern it. This article sets out what child behavior is, its MeSH subtypes, the temperamental dispositions that give it early individual structure, the parenting and ecological influences that modify it, the evidence on how far early behavior predicts later behavior, and the cognitive processes — attention, inhibition, and self-regulation — through which a child comes to control their own conduct.
Keywords: child behavior, temperament, parenting style, behavioral inhibition, self-regulation
Child behavior denotes any observable response or action of a child, and it is the empirical ground on which developmental and cognitive psychology build their accounts of how a person comes to think, feel, and act (Achenbach & Edelbrock, 1978). The study of child behavior matters to cognitive psychology because behavior is where two causal streams meet and become visible: the child's own temperamental and cognitive dispositions, and the social environment that selects, amplifies, and dampens them. A child's conduct is neither a simple readout of innate disposition nor a passive imprint of parenting, but the moving outcome of their transaction — and it is through behavior that the developing systems of attention, inhibition, and self-regulation make themselves known before a child can report on them.
Key Takeaways
- Child behavior is the observable action of a child, studied as the joint product of temperament, environment, and developing cognition.
- Temperament supplies early, biologically based individual differences in reactivity and self-regulation that structure behavior before experience can.
- Parenting shapes behavior, but the relationship is bidirectional: the child's behavior also shapes the parenting it receives.
- Early behavior predicts later behavior at the group level, yet individual trajectories are revisable, so continuity is probabilistic rather than fixed.
- Self-regulation — the cognitive control of attention, emotion, and impulse — is the developing mechanism through which a child increasingly governs their own conduct.
What Child Behavior Is
Child behavior is any observable response or action of a child. MeSH scopes the descriptor to the period from 24 months through 12 years of age, placing it as a specific kind within its parent descriptor behavior — the broad category of the observable activity of an organism. This placement is deliberate and clarifying: child behavior is studied with the same observational and measurement tools as behavior in general, but over a window in which the behaving system is itself under rapid construction. What a two-year-old and a ten-year-old each do is child behavior, yet the cognitive and regulatory machinery behind the two differs so much that the developmental dimension is part of the construct, not a footnote to it.
The scientific study of child behavior began in earnest when it became classifiable. A review and analysis of empirical efforts to classify child psychopathology established that children's problems cluster into broad, replicable dimensions — internalizing behaviors such as anxiety and withdrawal, and externalizing behaviors such as aggression and defiance — recovered statistically across many samples rather than imposed by theory (Achenbach & Edelbrock, 1978). That empirical taxonomy, and the standardized caregiver-report instruments built on it, gave the field a common language for behavior that the rest of this article presupposes: a way to describe what a child does that is quantitative, comparable across children, and separable from any single clinician's judgment.
Figure 1
Child Behavior as the Joint Product of Temperament and Environment
Types of Child Behavior
MeSH places child behavior (behavior in a child 24 months through 12 years) above two narrower descriptors that partition it by developmental stage and by clinical valence. The two cut the space on different axes rather than nesting neatly: infant behavior marks off an earlier age band, while problem behavior marks off a disruptive quality that can appear at any age within the window. These divisions are a MeSH indexing classification for retrieving literature, not an exhaustive psychological typology, and a given child's conduct may fall under several headings or none.
| Subtype | MeSH scope | Relation to child behavior |
|---|---|---|
| Infant Behavior | Observable responses or actions of an infant, from birth through the first two years | An earlier developmental band than the 24-month floor of child behavior proper, covering the period before symbolic language and before much self-regulation is in place. |
| Problem Behavior | Behavior that deviates from accepted social, cultural, ethical, or legal norms | A valence subtype rather than an age one: the subset of child behavior that is disruptive or norm-violating, overlapping the externalizing dimension of the empirical taxonomies. |
Of these, problem behavior has a live companion article on this site; infant behavior does not yet, and is described here only to complete the MeSH picture. The orthogonality is the point worth holding onto: an infant can show problem behavior, a twelve-year-old's conduct can be entirely unremarkable, and most child behavior of interest to cognitive psychology is neither clinically disruptive nor confined to infancy. The subtypes organize the literature; they do not carve child behavior at a single joint.
Temperament: The Early Structure of Behavior
Long before experience can have shaped it, child behavior already shows stable individual differences, and the construct that names them is temperament. The seminal longitudinal work on the subject argued that infants differ from the first weeks of life along dimensions such as activity level, rhythmicity, approach or withdrawal to novelty, adaptability, and intensity of reaction, and that these differences form recognizable constellations — the easy, the difficult, and the slow-to-warm-up child (Thomas & Chess, 1977). Temperament in this tradition is the stylistic how of behavior rather than its content: not what a child does but the tempo, intensity, and emotional coloring with which they do it. The same work introduced the principle of goodness of fit: behavioral outcomes depend not on temperament alone but on the match between a child's temperament and the demands and expectations of their environment, so that no disposition is adaptive or maladaptive in the abstract (Thomas & Chess, 1977).
The modern synthesis recasts temperament as early-appearing, biologically based individual differences in reactivity and self-regulation, themselves shaped over time by maturation and experience (Rothbart & Bates, 2006). This definition does two useful things. It separates reactivity — how readily and strongly a child responds to stimulation — from regulation — the dawning capacity to modulate that response, which ties temperament directly to the developing control systems discussed below. And it treats temperament as a starting point that development acts on rather than a fixed trait, so that the same reactive disposition can mature into very different behavior depending on how it is regulated and received.
One temperamental profile has been studied with particular rigor. Behavioral inhibition — a consistent tendency to react to unfamiliar people, objects, and situations with restraint, wariness, and withdrawal — is identifiable in toddlers and has a measurable physiological signature, including elevated and stable heart rate and markers of heightened limbic reactivity (Kagan et al., 1988). Behavioral inhibition is the clearest demonstration that a slice of child behavior is anchored in biology: it appears early, it is moderately stable, and it carries a bodily correlate, which is why it recurs throughout the developmental literature as a case where disposition visibly precedes and constrains conduct.
How the Environment Shapes Behavior
If temperament supplies the early structure of behavior, the rearing environment supplies much of what becomes of it. The most influential account of that environment classifies parenting by two crossed dimensions — demandingness and responsiveness — yielding the authoritative, authoritarian, and permissive styles, with the authoritative combination of high warmth and firm, reasoned control associated with the most favorable behavioral outcomes (Baumrind, 1966). The typology endures because it predicts: children of authoritative parents tend, on average, toward greater self-reliance and social competence and fewer externalizing problems, and the pattern recurs across a large meta-analytic literature (Pinquart, 2017).
The influence runs in both directions, and missing that was the field's classic error. Coercion theory describes how antisocial child behavior is actively trained in ordinary family interaction: a child's coercive act — whining, defiance, a tantrum — is inadvertently reinforced when a parent gives in to end it, which rewards the child's escalation and the parent's surrender in the same exchange, so that aversive behavior is shaped upward step by step (Patterson et al., 1989). The lesson generalizes beyond aggression: the child is an agent in their own socialization, and the parenting a child receives is partly elicited by the behavior the child brings. Correlations between parenting and child behavior therefore cannot be read as one-way causation.
That transaction is itself nested in wider systems. The ecological account of human development insists that a child's behavior can only be understood within the concentric environments that contain it — the immediate family, the links between settings such as home and school, and the distal social and economic structures that shape them all (Bronfenbrenner, 1977). The framework corrected a tendency to study the child in a laboratory vacuum, and it supplies the reason that identical temperaments yield different behavior in different families, neighborhoods, and cultures: the environment is not a single variable but a layered system acting at several removes.
Worked Example
Consider the coercion trap as a simple reinforcement account, to make its arithmetic explicit. Suppose a child's probability of escalating a demand on the next occasion is raised by a fixed increment each time escalation succeeds in ending a parental demand, and lowered by the same increment each time the parent holds firm. Let the child begin with a baseline escalation tendency of 0.30, and let each successful coercive episode add 0.15 while each held limit subtracts 0.15, with the probability bounded between 0 and 1.
Take a week of ten demand episodes in which the parent, worn down, gives in to seven and holds firm on three. The net change is seven increases and three decreases: 7 times 0.15 minus 3 times 0.15, or 1.05 minus 0.45, a net rise of 0.60. The child's escalation tendency moves from 0.30 toward the ceiling, to a capped 0.90 — the behavior has been trained sharply upward in a single week. Now reverse the ratio: the parent, coached to hold limits, gives in to three and holds firm on seven. The net change is 3 times 0.15 minus 7 times 0.15, or 0.45 minus 1.05, a net fall of 0.60, carrying the tendency from 0.30 down to a floored 0.00. The objective number of conflicts is identical in both weeks — ten demands, the same child — yet the behavioral trajectory is opposite, because what is reinforced, not how much conflict occurs, is what shapes the behavior. The arithmetic is deliberately simplified, but it captures why coercion theory locates the cause of escalating antisocial behavior in the moment-to-moment contingencies of family interaction rather than in the child alone (Patterson et al., 1989).
Discussion
How far does early child behavior forecast the later person? At the group level, the answer is a qualified yes. A birth-cohort study following a whole year of New Zealand births found that behavioral style observed at age three — undercontrolled, inhibited, or well-adjusted — predicted measurable differences in psychiatric and behavioral outcomes decades later in adulthood, evidence that early behavioral individuality is not merely a passing phase but a seed of long-run continuity (Caspi et al., 1996). Findings like these underwrite the developmental intuition that the child is, in some real statistical sense, father to the adult.
The continuity is real but probabilistic, and the distinction matters. A review of continuity and stability in development distinguishes several senses of the words — whether a mean level persists, whether a child keeps their rank among peers, whether the same underlying process continues — and shows that early behavior constrains later behavior without determining it, because development is an open system in which later experience can redirect a trajectory (Bornstein et al., 2017). This is the reconciliation of two facts that look opposed: early behavior predicts, so prediction is worth doing, yet individual outcomes are revisable, so a difficult toddler is not a sentence. The practical upshot is that the window in which child behavior is most malleable is also the window in which intervention has the most leverage.
Cognitive Implications
Child behavior belongs on a cognitive-psychology site because the central developmental achievement of childhood is cognitive: the child moves from behavior governed from outside — by a parent's prohibition, by the pull of an attractive stimulus — to behavior governed from within, by the child's own representations of goals and rules. The engine of that shift is self-regulation, the cognitive control of attention, emotion, and impulse, and it is the regulatory half of the modern definition of temperament made developmental (Rothbart & Bates, 2006). Where reactivity is the raw behavioral disposition a child starts with, regulation is the growing capacity to stand between a stimulus and a response and insert a choice.
The mechanisms of that control are the ordinary furniture of cognitive psychology, observed in the course of their construction. The child learns to deploy attention away from a tempting stimulus, to use inhibitory control to suppress a prepotent response, and to hold a rule in working memory while acting on it — the components of executive function whose maturation across childhood tracks the child's rising ability to govern their own conduct. A contemporary account ties temperamental self-regulation directly to the brain's attention networks, arguing that individual differences in effortful control reflect the development of the executive attention system that supports it (Posner & Rothbart, 2018). On this view the study of child behavior and the study of cognitive development are not neighboring fields but the same field seen from the outside and the inside: behavior is what executive control looks like from without, and executive control is what well-regulated behavior is made of within.
Current Directions
A central contemporary question is how temperament and the developing attention system jointly produce the behavior a child shows. The network account of temperament treats effortful control not as a trait read off a questionnaire but as the behavioral expression of a maturing executive attention network, opening the possibility that interventions training attention could shift self-regulatory behavior at its cognitive root (Posner & Rothbart, 2018). How durable and generalizable such training is, and which children benefit, remain active and unsettled questions.
A second front concerns the precision of what parenting actually does. The updated meta-analysis of parenting dimensions and styles sharpened the evidence that specific parenting behaviors — not a global style label — map onto specific externalizing outcomes, with harsh control and the warmth dimension carrying distinguishable weights (Pinquart, 2017). Because the parenting-behavior relationship is bidirectional, the open methodological problem is causal: disentangling the parenting that shapes a child's behavior from the behavior that shapes the parenting requires genetically informed and longitudinal designs that the field is still building out.
Common Misconceptions
- A child's behavior is simply a product of how they are raised.
- Temperament supplies early, biologically based individual differences that precede experience, and the parenting a child receives is itself partly elicited by the child's behavior, so conduct is a transaction rather than a one-way imprint (Rothbart & Bates, 2006).
- A difficult toddler is destined to become a troubled adult.
- Early behavior predicts later behavior only probabilistically; development is an open system in which later experience can redirect a trajectory, so group-level prediction does not fix any individual outcome (Bornstein et al., 2017).
- Giving in to a tantrum ends the problem.
- Ending a demand by surrendering to a coercive act reinforces the act, raising the probability it recurs and escalates; coercion theory shows this is how antisocial behavior is inadvertently trained in ordinary family exchanges (Patterson et al., 1989).
Glossary
- Attention.
- The cognitive selection of some stimuli for processing over others; its developing control lets a child redirect focus away from a tempting stimulus and so regulate behavior.
- Authoritative Parenting.
- A parenting style combining high warmth with firm, reasoned control, associated on average with the most favorable child behavioral outcomes.
- Behavior.
- The observable activity of an organism; the parent MeSH category of which child behavior is a developmentally scoped kind.
- Behavioral Inhibition.
- A temperamental tendency to react to unfamiliar people, objects, and situations with wariness and withdrawal, identifiable early and carrying a physiological signature.
- Coercion Theory.
- Patterson's account of how antisocial child behavior is trained upward when a parent's surrender to a coercive act reinforces that act in the same exchange.
- Continuity.
- The degree to which early behavior persists or forecasts later behavior; in development it is probabilistic, constraining rather than determining later conduct.
- Ecological Systems.
- Bronfenbrenner's framework placing a child's behavior within concentric environments, from the immediate family to distal social and economic structures.
- Executive Function.
- The set of control processes (inhibition, updating, shifting) whose maturation across childhood tracks the child's rising ability to govern their own conduct.
- Externalizing Behavior.
- An empirically derived dimension of child behavior directed outward, including aggression and defiance, recovered statistically across samples.
- Goodness of Fit.
- Thomas and Chess's principle that behavioral outcomes depend on the match between a child's temperament and the demands of their environment, not on temperament alone.
- Inhibitory Control.
- The capacity to suppress a prepotent response, a component of executive function central to the voluntary regulation of behavior.
- Internalizing Behavior.
- An empirically derived dimension of child behavior directed inward, including anxiety and withdrawal.
- Problem Behavior.
- The MeSH subtype of child behavior that deviates from accepted social, cultural, ethical, or legal norms, overlapping the externalizing dimension.
- Reactivity.
- In temperament, how readily and strongly a child responds to stimulation; the dispositional raw material that regulation later modulates.
- Self-Regulation.
- The cognitive control of attention, emotion, and impulse through which a child increasingly governs their own behavior from within.
- Temperament.
- Early-appearing, biologically based individual differences in reactivity and self-regulation, shaped over time by maturation and experience.
Key Researchers
Thomas M. Achenbach
(b. 1940). Professor Emeritus of Psychiatry at the University of Vermont; he established the empirical taxonomy of child behavior problems and created the Child Behavior Checklist and the wider ASEBA system of standardized caregiver-report instruments.
Diana Baumrind
(1927-2018). Developmental psychologist at the University of California, Berkeley; she formulated the authoritative, authoritarian, and permissive typology of parenting styles that organizes research on how rearing shapes child behavior.
Jerome Kagan
(1929-2021). Research professor of psychology at Harvard University; he identified behavioral inhibition as an early, biologically anchored temperamental profile with a measurable physiological signature.
Gerald R. Patterson
(1926-2016). Founder of the Oregon Social Learning Center; his coercion theory showed how antisocial child behavior is trained in the moment-to-moment contingencies of ordinary family interaction.
Martin Pinquart
(b. 1965). Professor of developmental psychology at the Philipps University of Marburg; his meta-analyses quantified how specific parenting dimensions and styles relate to children's externalizing behavior.
Mary K. Rothbart
(b. 1940). Distinguished Professor Emerita of Psychology at the University of Oregon; she recast temperament as individual differences in reactivity and self-regulation and developed the influential Children's Behavior Questionnaire.
Frequently Asked Questions
What is child behavior?
Child behavior is any observable response or action of a child, which MeSH scopes to the period from 24 months through 12 years of age and studies as a developmentally specific kind of behavior (Achenbach & Edelbrock, 1978).
What is temperament, and how does it relate to child behavior?
Temperament is the set of early-appearing, biologically based individual differences in reactivity and self-regulation that give behavior its early structure, the style with which a child acts before experience has shaped it (Rothbart & Bates, 2006).
Does parenting determine how a child behaves?
Parenting shapes behavior, with the authoritative style linked on average to the best outcomes, but the influence is bidirectional: the child's behavior also elicits the parenting it receives, so the relationship is a transaction rather than one-way causation (Patterson et al., 1989).
What is behavioral inhibition?
Behavioral inhibition is a temperamental tendency to react to unfamiliar people and situations with wariness and withdrawal, identifiable in toddlers and accompanied by a physiological signature such as elevated, stable heart rate (Kagan et al., 1988).
Does early behavior predict how a child will turn out?
At the group level yes, behavioral style at age three predicts adult outcomes, but the continuity is probabilistic, so early behavior constrains later behavior without determining any individual trajectory (Caspi et al., 1996).
What are internalizing and externalizing behavior?
They are the two broad, empirically derived dimensions of child behavior: internalizing behavior is directed inward, as in anxiety and withdrawal, while externalizing behavior is directed outward, as in aggression and defiance (Achenbach & Edelbrock, 1978).
How does a child learn to control their own behavior?
Through the development of self-regulation, the cognitive control of attention, inhibition, and impulse, which lets the child move from behavior governed by external prohibition to behavior governed by their own goals and rules (Posner & Rothbart, 2018).
Why study child behavior within its environment?
Because a child's behavior can only be understood within the concentric systems that contain it, from the immediate family to distal social structures, which is why identical dispositions yield different behavior in different settings (Bronfenbrenner, 1977).
References
Achenbach, T. M., & Edelbrock, C. S. (1978). The classification of child psychopathology: A review and analysis of empirical efforts. Psychological Bulletin, 85(6), 1275-1301. https://doi.org/10.1037/0033-2909.85.6.1275
Baumrind, D. (1966). Effects of authoritative parental control on child behavior. Child Development, 37(4), 887-907. https://doi.org/10.2307/1126611
Bornstein, M. H., Putnick, D. L., & Esposito, G. (2017). Continuity and stability in development. Child Development Perspectives, 11(2), 113-119. https://doi.org/10.1111/cdep.12221
Bronfenbrenner, U. (1977). Toward an experimental ecology of human development. American Psychologist, 32(7), 513-531. https://doi.org/10.1037/0003-066X.32.7.513
Caspi, A., Moffitt, T. E., Newman, D. L., & Silva, P. A. (1996). Behavioral observations at age 3 years predict adult psychiatric disorders: Longitudinal evidence from a birth cohort. Archives of General Psychiatry, 53(11), 1033-1039. https://doi.org/10.1001/archpsyc.1996.01830110071009
Kagan, J., Reznick, J. S., & Snidman, N. (1988). Biological bases of childhood shyness. Science, 240(4849), 167-171. https://doi.org/10.1126/science.3353713
Patterson, G. R., DeBaryshe, B. D., & Ramsey, E. (1989). A developmental perspective on antisocial behavior. American Psychologist, 44(2), 329-335. https://doi.org/10.1037/0003-066X.44.2.329
Pinquart, M. (2017). Associations of parenting dimensions and styles with externalizing problems of children and adolescents: An updated meta-analysis. Developmental Psychology, 53(5), 873-932. https://doi.org/10.1037/dev0000295
Posner, M. I., & Rothbart, M. K. (2018). Temperament and brain networks of attention. Philosophical Transactions of the Royal Society B: Biological Sciences, 373(1744), 20170254. https://doi.org/10.1098/rstb.2017.0254
Rothbart, M. K., & Bates, J. E. (2006). Temperament. In W. Damon, R. M. Lerner, & N. Eisenberg (Eds.), Handbook of child psychology: Vol. 3. Social, emotional, and personality development (6th ed., pp. 99-166). Wiley. https://doi.org/10.1002/9780470147658.chpsy0303
Thomas, A., & Chess, S. (1977). Temperament and development. Brunner/Mazel.