Nature And Nurture Causes Of Criminal Behavior Criminology

Table of Content

Determining the cause of condemnable behaviour in persons has prompted an age old argument between nature and raising. Is a individual ‘s familial make-up what makes him or her a felon or is it the environment that he or she was raised that makes that finding? This thesis will analyze the many surveies conducted in order to cast visible radiation on the human potency of criminalism and aid understand the root of their immorality. This paper will besides analyze the many criminological theories that have helped sort some of history ‘s most ill-famed violent wrongdoers and analyze the different maps that genetic sciences and the environment drama in the condemnable behaviour of persons. This thesis will besides try to understand how several theories suggest a combination of genetic sciences and environment contribute to 1s behavior, although some believe the manner we are nurtured plays a much larger part so the environment in organizing determination devising. Besides covered in this thesis is how many communities are commanding offense rates by heightening the structural visual aspects of its architecture. The paper will besides cover jurisprudence enforcements parts and attempts in profiling specific high hazard persons. One of the subjects non found in this thesis is drug and intoxicant maltreatment as it relates to offense.

Chapter 2: Criminological theory

History of criminological theory

Many accounts for the causing of offense can be made such as familial abnormalcies, single psychological differences, or fluctuations in forms of socialisation that may predispose people to offense ( Jones, 2005 ) . History is filled with criminological theories, for illustration an age old Roman theory based on ancient observations that more offenses are committed on darks where there is a full Moon, Roman bookmans theorize that the nowadayss of a full Moon causes impermanent insanity and that condemnable behaviour is non random, but caused by effects of lunar stages ( Schmallenger, 2007 ) .

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Although there is an association between the stages of the Moon and offense rates, the Moons influence on human behaviour has ne’er to the full been explained and is frequently more coincidence so anything else.

It is of import to analyze all signifiers of societal establishments such as household, schools, and churches for their function in cut downing or heightening the likeliness of condemnable activity among people after all, these societal and learning scenes are what aid organize the heads of kids ” ( Schmallenger, 2007 )

The first recordings of criminological surveies day of the month back to the mid 1700 ‘s and are credited to Cesare Beccaria. Beccaria ‘s thoughts of the classical theories of offense causing dominated criminological idea for much of the late eighteenth and early 19th centuries. His theories forced criminologist to look into the cause of offense unlike any other in history because it moved beyond superstitious notion and theories affecting lunar stages as accounts for aberrant behaviour.

In 1764 Beccaria published his essays on offenses and penalty which called for an abolition to harsh physical penalty and an terminal to the decease punishment. His claims were that the penalty should merely be terrible plenty to discourage the wrongdoers from condemnable behaviour, because of this he is referred to as the male parent of the classical school of criminology. In order to more to the full understand all the theories of criminology one must first interrupt down the eight types of criminological theory.

The classical school

Popularized by Cesare Beccaria, the classical school of criminology discoveries, “ that offense is caused by the single exercising of free will. ” “ Human existences are basically rational, and most human behaviour is a consequence of free will coupled with rational pick. ” Besides that hurting and pleasance are the two cardinal determiners of human behaviour and that offense erodes the bond between people and their society which makes offense immoral behaviour. The classical school besides says that offense bar is possible though fleet and certain penalty that offsets any additions to be had through condemnable behaviour ( Schmallenger, 2009 ) .

Biological Theories

The biological theories of offense causing are built of familial or bodily features of each person and province that, “ the basic determiners of human behaviour, including condemnable behaviour, are genetically based and all human behaviour is inherited from coevals to coevals. ” Although merely because a adult male is a slayer does non intend his kids will turn to be slayers. “ In the 1920 ‘s and 1930 ‘s biological theories of offense causing, particularly those concentrating on familial mental devolution, led to the eugenics motion, which mentally handicapped adult females, were sterilized to forestall them from bearing mentally disabled kids. ” As history now knows, non all physical or mental disabilities are familial ( Schmallenger, 2009 ) .

Some physical factors have been shown to play a function in an person ‘s disposition to criminalism. Sarnoff Mednick found some footing for the claim that a individual ‘s autonomic nervous system predisposes certain persons toward condemnable activity by restricting their ability to larn rapidly. He claims that those with slow autonomic nervous systems are unable to understand antisocial behaviour rapidly plenty to avoid penalty and stigmatisation ( Sarnoff & A ; Shaham, 1979 ) .

Psychological Theories

Theories of the psychological school of offense causing make certain cardinal premises such as the person ‘s personality being 1s major motivational component and the beginning which drives and motivates 1s and that offense consequences from unsuitably conditioned behaviour or from unnatural and dysfunctional mental procedures within the personality. Defective or unnatural mental procedures may hold a assortment of causes such as a morbid head and/or improper acquisition and conditioning frequently happening in early childhood ( Sandoff & A ; Shaham, 1979 )

Harmonizing to Schmallenger, ( 2009 ) behavioural conditioning was used as a manner to find if the mental unwellness suffered by persons was something that could be “ unschooled ” . Schmallenger explains behavioural conditioning to be, “ a psychological principal which finds that the frequence of any behaviour, including condemnable or aberrant behaviour, can be increased or decreased through wages or penalty. ” Ivan Pavlov, is normally known for his survey of the behavioural conditioning of Canis familiariss, and proved how they could be taught based on wages and penalty. His research won him a Nobel Prize. Pavlov ‘s surveies of behavioural psychologist suggest that, “ condemnable behaviour, which may be inherently rewarded under many fortunes, tends to be more common in those who are able to avoid penalty when involved in rule-breaking behaviour ” ( Scmellanger, 2007 ) .

Sociological Theories

The sociological theories of offense are really diverse and a mostly portion of American ‘s survey of offense causing, specifically at the celebrated Chicago school of sociology who have determined that criminalism is a merchandise of society ‘s impact on an person. Society and the condemnable facet within that society are frequently seen as the clang of norms and values among assorted socialized groups. Although unlike genetic sciences and physical and mental traits inherited by ascendants one has the pick in which environment he or she chooses to shack.

In the 1920 ‘s and 1930 ‘s the Chicago school of sociology determined the nexus between physical location and offense, modern position calls it offense bar through environmental design. Many of these applications are being integrated more and more in into mundane life. Harmonizing to the Chicago school of sociology, offense in society can be reduced by the existent layout of physical installations like houses, edifices and parking inclines and garages. The design and layouts in society are one thought in the defendable infinite theory, developed in the 1980 ‘s the defendable infinite theory considered how the impact of physical characteristics on fright and victimization depends on other societal and cultural characteristics in the scene. An about mirror image of the defendable infinite theory is called the broken windows theory, which states that physical impairment and an addition in unprepared edifices leads to increased concerns for personal safety among country occupants. The deficiency of fixs leads to additions in delinquency, hooliganism and belongings offenses among local occupants ( Newman, 1996 ) .

Social Process Theory

The societal procedure theory attacks focus on the interaction between persons and society by looking to institutional agreements in the societal universe to explicate offense. Most societal procedure theories highlight the function of societal acquisition and construct on the premiss that behaviour, both “ good ” and “ bad ” are learned and suggest that “ bad ” behaviour can be unlearned.

In 1939 Edwin Sutherland published his research on criminology and found what is now known to be differential association which explains offense to be a natural effect of the interaction with condemnable life styles. Sutherland suggests that kids raised in crime-prone environments were frequently stray and unable to see the values that would otherwise take to conformance ( Orcutt, 1987 ) .

Because the differential association theory is instead general it fails to explicate why people have the associations they do and why some associations affect certain persons more so other. Why, for illustration are most correctional officers unaffected by their changeless association with wrongdoers, while others take advantage of their places to smuggle in contraband? For this theory to be wholly tested would necessitate that all the associations a individual has of all time had, be recorded and analyzed from the point of view of the person, which is clearly impossible ( Conklin, 1989 ) .

Conflict Theories

Conflict theories follow a similar definition of the struggle position which believes struggle is a cardinal facet of societal life and can ne’er be to the full resolved. The struggle

point of position says that formal bureaus of societal control, such as jurisprudence enforcement, coerce the unempowered or disenfranchised to follow with regulations established by those in power.

The struggle position can be described in footings of these four basic elements: Society is composed of diverse societal groups, and diverseness is based on differentiations that people believe to be important, such as gender, sexual orientation, and societal category. Conflict among groups is ineluctable because of differing involvements and differing values which make struggle inherent in societal life. The cardinal nature of group struggle centres on the exercising of political power. Political power is the key to the accretion of wealth and other signifiers of power. Laws are the tools of power and farther the involvement of those powerful plenty to do them. Laws allow those in control to derive what they define as legitimate entree to scarce resources and to deny entree to the politically disenfranchised ( Michlowski, 1977 ) .

In the 1960 ‘s and 1970 ‘s people became more cognizant of the political “ decease clasp ” and regulation over society and began organizing new thoughts on the cause of criminalism. Extremist criminology was formed, and placed the incrimination of criminalism and aberrant behaviour forthrightly on officially sanctioned cultural and economic agreements. Extremist criminology believes the distribution of wealth and power in society was held to be the primary cause of condemnable behaviour. Poverty and favoritism were seen to take to defeat and pent-up belligerencies which were expressed through slaying, colza, larceny, and other offenses. Extremist criminology recognizes that the battle to command resources is cardinal to society and found that the jurisprudence is a tool of the powerful. Extremist criminology focused on capitalist economy and the immoralities capitalist economy was believed to imply and many of these thoughts were based on Hagiographas and thoughts of Karl Marx. Harmonizing to Marx, the labours of the lower categories are ever exploited by the “ proprietors ” of society. The hapless were trained to believe that capitalist economy was in their best involvement and the on the job category suffered under the effects of a “ false category consciousness ” perpetuated by the powerful. Marx besides believed that when the exploited realized their developments would they arise and alter society for the better ( Chambliss, 1971 ) .

Emergent Positions

With the footing of criminological theory explained in the old seven theories, one can now look at the concluding, most late developed theory categorized as emergent positions. In the underdeveloped field of criminology it is clear that adult females have been virtually unseeable in criminological analysis and most criminalism has been restricted to work forces merely and many criminological surveies assume adult females are like work forces, which is merely non true ( Gibbons, 1994 ) . Contemporary women’s rightist thought in criminology was been emphasized by authors like Kathleen Daly and Meda Chesney-Lind. These two authors emphasize the demand for “ gender cognizant ” criminology and emphasize the utility of using feminist thought to criminological analysis. Feminist criminology suggests that theories of offense causing and bar must include adult females and that more research on gender-related issues in the field is severely needed.

Although many facets of this theory are true harmonizing to the F.B.I ‘s 2004 Uniform Crime Report, work forces are more likely to be arrested for serious discourtesies such as slaying, colza, robbery, and burglary and that adult female are more likely to be arrested for offenses such as belongings offenses, theft, fraud, drug discourtesies, and peculation.



A huge bulk of felons and criminalism can be classified by one or more of the criminological theories discussed in chapter one. As society and single demands and wants alteration, so make the demands to understand them as the hereafter of criminology will go on to turn.

Chapter 3: Condemnable behaviour

Criminal or Deviant?

In order to better understand condemnable and aberrant behaviour one must larn how these behaviours are defined. Although separated by a really thin line, condemnable behaviour and aberrant behaviour are two really different signifiers of human behaviour. Crime is defined as behavior in misdemeanor of the condemnable Torahs of a province, the federal authorities, or a local legal power for which there is no legal justification ( Schmellanger, 2007 ) . Depending on which jurisprudence is broken determines the individual ‘s penalty. However, aberrant behaviour, which is defined as a misdemeanor of societal norms specifying proper behaviour under a certain set of fortunes, does non needfully warrant penalty at all. Speeding is an illustration of condemnable behaviour which is frequently “ downplayed ” by our society and idea of more as pervert so condemnable. In many instances people get behind the wheel of a auto while under the influence of intoxicant and in many societal scenes this behaviour is expectable to certain groups, nevertheless, condemnable and aberrant.

Aberrance in Society

Harmonizing to Gallic author Emile Durkheim, by specifying what is aberrant, we become cognizant of what is non aberrant and hence become aware of the criterions we portion as a member of society. This statement by Durkheim explains that it is non society ‘s end to wholly extinguish aberrance, but alternatively to maintain it within an expectable bound after all aberrant behaviour is non needfully condemnable and can be tolerated to a certain grade.

In a controversial 1993 article, “ specifying aberrance down, ” former New York senator Daniel Moynihan argued that the degrees of aberrance in American society are beyond the point of which we can non take notice. As a consequence we have been “ redefining aberrance so as to relieve much behavior antecedently stigmatized, ” and besides softly raising the “ normal ” degree so that behaviour seen as unnatural is going more socially acceptable. Moynihan besides points out that after the St. Valentine ‘s Day slaughter in 1929, in which seven mobsters were murdered, the state was outraged. Today, violent pack slayings are so common there is barely a reaction. Moynihan besides sees the under coverage of offense to be a signifier of “ normalizing ” and that we as a society are going used to a society that is non good for us.

Chapter 4: Raising

Role of Genetics

In the statement of nature versus raising, raising is the function a individual does non hold control over, that is, every bit long as that individual is the one being nurtured. Peoples are raised the manner their parents or defenders see fit and as one grows older and has kids, they choose to raise them the manner they see fit and so on. So what factors in a kid ‘s life causes them to turn into violent felons? Is it an absent male parent? An overbearing or opprobrious female parent? No two instances are indistinguishable, but many have really similar fortunes. Take, for illustration two of the counties most ill-famed consecutive liquidators Edward Gein and Edmund Kemper, both born to emotionally opprobrious female parents, Gein ‘s male parent passed off when he was really immature and Kemper ‘s male parent left when he was besides really immature. Gein ‘s female parent died in 1944 at there place in Plainfield Wisconsin and Gein enshrined her organic structure in her ain bed until she wholly decomposed, Kemper murdered his female parent in order to go on an already drawn-out killing fling. Both murdered chiefly adult females and many condemnable psychologists believe this had to make with their hatred for their ain female parents ( Lane & A ; Gregg, 1995 ) .

Though persons do non hold a pick in the constructing of our familial codifications, it is known that many of 1s personality traits are passed from parents and grandparents. However, in some instances human genetic sciences can, for many different grounds, go defected or flawed in the developmental phases. These defects can run from deformed limbs to larning disablements to more serious neurological upsets such as psychosis, abnormal psychology and antisocial upset.

Many surveies of the human encephalon have concluded that neurochemicals are responsible for the activation of behavioural forms and inclinations in specific countries of the encephalon ( Elliot, 2000 ) .

One of many neurochemicals in the human encephalon, known as Monoamine Oxidase ( MAO ) is an enzyme that has been shown to be related to antisocial behaviour specifically, low degrees of MAO activity can take to aggression and impulsivity, two chief factors in naming antisocial behaviour ( Elliot, 2000 ) .

Serotonin is another neurochemical that plays an of import function in personality traits and low degrees are known to take to depression, anxiousness, and bipolar upset, it is besides involved with encephalon development and a upset affecting a deficiency of 5-hydroxytryptamine could take to an addition in aggressiveness, impulsivity and temper changes.Like 5-hydroxytryptamine, “ Dopastat is an of import neurotransmitter in the encephalon that is associated with pleasance and is largely responsible for aggression in the happening of low degrees. ” These three neurochemical lacks are found in violent grownup felons, but day of the month back to their childhoods. Often one can see the correlativity between violent condemnable behaviour and the pleasances associated with offenses ( Larsen & A ; Buss, 2005 ) .

Take for illustration the instance of Leonard Lake and Charles Ng of San Francisco. What started as a everyday shrinkage apprehension, ended up exposing hideous narratives of anguish, slaying, and sex bondage. The constabulary arrested Lake as Ng managed to get away gaining control. At the Police Station Lake took a little capsule from his pocket and ingested it and instantly fell to the floor dead of nitrile toxic condition. A hunt of Lake and Ng ‘s California belongings found a sound cogent evidence sand trap incorporating blood stained mattress ‘s fixed with bonds and bindings, all lay out in forepart of a picture camera mounted on a tripod. In the camera a picture tape incorporating the colza, anguish, and slaying of two adult females and the entree of Leonard Lake that what he has fantasized about for many old ages has eventually come true, an in disposable sex slave for his ain personal pleasance. Condemnable head-shrinker Dr. Michael Stone believes Lake got every bit much pleasance from tormenting his victims as he did sexually mistreating them. In entire Lake and Ng were responsible for the deceases of 25 work forces, adult females and kid, Ng is on California ‘s decease row.

Childhood Disorders linked to offense

Although the argument of the cause of attending shortage hyperactivity upset ( ADHD ) and attending shortage upset ( ADD ) lingers, many kids with these upsets grow to take normal lives as productive grownups, nevertheless many do non. These are merely two of a broad scope of upsets that, in some instances, can be linked to much more serious personality traits.

Attention Deficit Hyperactivity Disorder ( ADHD ) , Conduct Disorder ( Cadmium ) , and Oppositional Defiance Disorder ( ODD ) are three of the most outstanding upsets in kids that have been shown to hold a relationship to adult behaviour. ODD is characterized by argumentativeness, disobedience, and crossness which can be found in early childhood and can frequently alter and turn worse as the kids get older.

ADHD is closely related to hyperactivity-impulsivity and the inability to concentrate attending on anything for a set sum of clip ( Morley & A ; Hall, 2003 ) Hyperactivity-impulsivity and inattention are the most extremely related predisposing factors for antisocial behaviour, a cardinal behavioural trait found in many violent felons. The hereafter of some kids is made worse when ADHD and CD are co-occurring because their antisocial inclinations are more likely to go on into maturity, therefore doing violent offense more likely ( Holmes, 2001 ) .

Conduct Disorder is characterized as an person ‘s misdemeanor of society ‘s regulations and norms, really similar to the features of aberrant behaviour. Harmonizing to surveies, antisocial behaviour between the ages of nine and fifteen can be correlated strongly with impulsivity and that aggression in early childhood can bring forth antisocial Acts of the Apostless and delinquency. One statistic shows that between 70 and 90 per centum of violent wrongdoers had been extremely aggressive as immature kids which, some research has shown to be familial ( Holmes, 2001 ) .

Anti-social behaviour and criminalism

Many criminological surveies have found that persons prosecuting in condemnable behaviour or aberrant behaviours frequently show traits of antisocial behaviour. These surveies have found two different ways to indicate out antisocial behaviour the first being, “ the committee of condemnable or aberrant Acts of the Apostless and the 2nd is more specific personality traits such as aggressiveness and impulsivity ” ( Morley & A ; Hall, 2003 ) . In order to compare single ‘s familial and environmental influences, three stage surveies have been conducted affecting twins, both fraternal and indistinguishable, households and acceptances.

One survey conducted examined 30 two indistinguishable twins who had been adopted by non-relative households a short clip after birth. The survey showed a high rate of heritability of childhood and grownup anti societal behaviour, this survey proved to be valuable because it examined the result of separate environments ( Joseph, 2001 ) . Another survey researched one hundred and forty seven braces of fraternal twins and eighty five braces of indistinguishable twins and found the indistinguishable twins had a higher heritable offense rate so the fraternal twins. Ten old ages subsequently the survey was conducted once more based on constabulary records of all sets of twins happening a 50 four per centum heritability of liability to offense, reasoning that 50 four per centum of twins studied familial criminalism traits ( Joseph, 2001 ) .

The 2nd stage of these surveies focuses on the relationship of adopted kids and the relationship between their biological parents and their adoptive parents.

One of the first surveies of these relationship between genetic sciences and condemnable behaviour was conducted in Iowa and found that adoptive persons, which were born to imprison female wrongdoers, had a higher rate of condemnable strong beliefs as grownups, and concluded the being of the heritability of anti societal and condemnable behaviour ( Tehani & A ; Mednick, 2000 ) .

One of the largest surveies of adoptive kids was conducted in Denmark and found really similar consequences to the Iowa survey. The Danish survey found that kids, whose biological male parents had been convicted of belongings offenses, were more likely to prosecute in similar behaviour, when compared to those biological male parents who had been convicted of violent offenses. Harmonizing to an article by Jay

Joseph ( 2001 ) , who studied all of the major and minor acceptance surveies, there is no conclusive research that shows the familial hereditability of violent offenses in kids who have been adopted or those who reside with there biological parents.

Abnormal psychology

The construct of abnormal psychology can be summarized in the words of Nolan D.C. Lewis, former manager of the New York State psychiatric institute and infirmary at Columbia University, that “ the condemnable, like other people, has lived a life of natural thrusts, of desires, of wants, of feelings, but one in which his mind has seemingly functioned less effectually as a brake upon certain tendencies. His constitutional make-up deviates toward the unnatural taking him into struggles with the Torahs of society and its cultural forms ” ( Nolan, 1989 ) . When people commit offense or move out of the societal norm, society, for the most portion, is demuring of certain behaviour, but when these offenses become violent against other members of society, many find it easier to understand by faulting the offense on the wrongdoer ‘s mental wellness jobs. It is frequently easy to believe that people commit violent offenses because they are “ brainsick ” nevertheless many mental unwellness ‘s can be linked to the manner we were raised and the things one learns as a kid.

The sociopath, besides called psychopath, has been historically viewed as cruel with no respect for the feelings or ideas of his or her victim. In many cases the ideas and feelings of the victim are wholly disregarded by the wrongdoer, the manner the wrongdoer ‘s ideas and feelings had been in his or her childhood. Psychopaths frequently chose victims which they find easy to command or pull strings, such as adult females victims, immature kids or even ill or disabled victims. Such a correlativity can be seen in the instance of consecutive liquidator Ted Bundy, a really intelligent adult male ; Bundy used his wit and humor to entice unsuspicious adult females to their decease. At the clip of his arrest many people thought him an improbable suspect due to his appeal and good expressions and the fact that most sex liquidator ‘s exhibit marked emotional repression and sexual insufficiencies. From February 1st, 1974 to February 9th 1978, Bundy murdered 19 immature adult females, which the constabulary know about. Another instance of a sociopath exerting his demand for laterality over his victims is that of John Wayne Gacy. Gacy lured teenaged male childs to his place in Illinois with the promise of employment with Gacy ‘s building company. Gacy would ask for the male childs in and drug them, one time unconscious Gacy would execute homosexual Acts of the Apostless on the adolescents, strangle them and bury the organic structures in a crawl infinite beneath his house. After a constabulary probe 20 eight organic structures were unearthed from shallow Gravess in the crawl infinite and Gacy confessed to dumping five more organic structures, in the Des Plaine river near his place, Gacy ‘s victim count was 30 three ( Lane & A ; Gregg, 1995 )

In these two instances it is easy to see the demand for control and use over the victims in order to fulfill either sexual demands or otherwise. Often psychopaths can non merely halt after one victim without major psychological aid, in many instances particularly those of consecutive slaying, one frequently sees high organic structure counts every bit good as drawn-out periods from the beginning of their fling to the clip they are caught. Psychotic wrongdoers have frequently been classified as schizophrenic or paranoid schizophrenic. Schizophrenics are characterized by broken thought, in which their logical idea procedure differs from the typical individual. Paranoid schizophrenics frequently suffer from hallucinations and psychotic beliefs and can frequently be disassociated with their milieus including relationships with household and friends. The agony of hallucinations and psychotic beliefs are largely seen in the most utmost signifiers of schizophrenic disorder as one writer writes, “ schizophrenic disorder is non a clearly defined disease ; its features are more of an change of thought and feelings in which one can sort schizophrenic disorder as a disorganisation of the personality ( Abrahamsen, 1999 ) .

In one illustration following the Vietnam war several cases were reported were, American soldiers had killed household members and friends, believing they were Vietcong soldiers.

Chapter 5: Nature

Environmental influences

Research shows that cistrons play a function in the development of condemnable behaviour, but what about the environment? This chapter will discourse influences such as household and equals and will besides take an in deepness expression into the societal acquisition theory as it relates to the influence of 1s milieus.

Earlier in chapter 3 ADHD was shown to hold a relationship to antisocial behaviour, one of the most outstanding upsets present in most condemnable behaviour. New research shows that ADHD can straight be related to a kid ‘s household life and the environment in 1s place ( Schmitz, 2003 ) . Many of the hazard factors research workers have narrowed down as the most influential environments are poorness, instruction parenting patterns, and household construction. Prior research on the relationships of household environment and kid behaviour have shown correlativities with each other and suggest that parents who instill positive communicating and consistent subject greatly deter condemnable behaviour in their kids, opposed to households with hapless communicating and weak household bonds in which kids are shown, in most instances, to develop aggressiveness and condemnable traits ( Garnefski & A ; Okma, 1996 ) . Another index of future antisocial and condemnable behaviour can be seen in the maltreatment and/or disregard of a kid during childhood. Statisticss have shown that kids who are abused and/or neglected are at a 50 per centum greater hazard so those non abused or neglected, to prosecute in condemnable and/or delinquent behaviour ( Holmes, 2001 ) .

In the argument of familial and environmental influences on condemnable behaviour, some research has shown that the age of the person has more impact on his or her future condemnable behaviour than antecedently thought. Research has shown that heritability influences adult behavior more so environmental influences, but for kids and adolescents the environment plays a much more important function in 1s behavior ( Rhee & A ; Waldman, 2002 ) . As an grownup one has the ability to take his or her ain environment which can positively or negatively reinforce 1s personality traits including condemnable and antisocial behaviour. However kids are limited in taking their environments which can account for a greater influence of environmental factors in a kid ‘s behaviour.

Peers groups and their Influence

As kids become striplings and the demand for societal credence grows, it is easy for one to see how peer groups can be a powerful influence in 1s behaviours. Peer groups can play a important factor in the development of antisocial and delinquent behaviour in striplings. Harmonizing to Garnefski and Okma ( 1996 ) “ there is a direct correlativity between a youths engagement in an antisocial or delinquent equal group and job behaviour ” . When immature school kids show aggression towards their equals, those equals frequently “ label ” the aggressive kids as castawaies ; this creates hapless equals relationships and forces those kids to seek out other young person, who portion similar behaviours ( Garnefshi & A ; Okma, 1996 ) . Relationships like these can sometimes go on into adolescence and frequently create an environment which they influence one another and can force jobs towards violent behaviour ( Holmes, 2001 ) . This type of behaviour can be seen in the instance of Leonard lake and Charles Ng, as mentioned in chapter four, although their friendly relationship was non womb-to-tomb, they shared many similar traits, both were ex-marines, both were “ lone wolfs ” and both had similar condemnable backgrounds.

This type of behaviour is more common in society so one might believe. Gangs are a manner for young person to experience recognized outside of the place or school and in many instances metropoliss with packs frequently have higher offense rates compared to metropoliss without packs. Harmonizing to one writer, “ there has been a steady addition in pack activity since the 1970 ‘s and the mean age of pack members is reported to be between 12 and twenty four old ages old, with the bulk of pack population being 18 old ages old ” ( Miller, W.B, 2001 ) Peers are of great influence on one another and when big groups of adolescence portion similar traits like aggression and impulsivity, the likeliness of condemnable activity grows.

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