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In psychology, manipulation is defined as an action designed to influence or control another person, usually in an underhanded or unfair manner which facilitates one's personal aims.^[1] Methods someone may use to manipulate another person may include seduction, suggestion, coercion, and blackmail to induce submission.^[2]^[3] Manipulation is generally considered a dishonest form of social influence as it is used at the expense of others.^[4] Barring mental disabilities, humans are inherently capable of manipulative and deceptive behavior, with the main differences being of specific personality characteristics or disorders.^[5]^[6]^[7]^[8]

Differentiation

Manipulation differs from general influence and persuasion. Manipulation, unlike persuasion, typically involves exploiting the vulnerabilities of an individual. Non-manipulative influence is generally perceived to be harmless and it is not seen as unduly coercive to the individual's right of acceptance or rejection of influence.^[9] Persuasion is the ability to move others to a desired action, usually within the context of a specific goal. Persuasion often attempts to influence a person's beliefs, religion, motivations, or behavior. Influence and persuasion are neither positive nor negative, unlike manipulation which is strictly negative.^[10]^[11]

Elements of manipulation

While the motivations for manipulation are mostly self-serving, certain styles of social influence can be intended to be to the benefit of others.^[12] Manipulation can be defined as the use of strategies to further personal driven goals at the expense of others and is usually considered antisocial behavior.^[12] Pro-social behavior is a voluntary act intended to help or benefit another individual or group of individuals and is an important part of empathy.^[13]^[14]

Different measures of manipulativeness focus on different aspects or expressions of manipulation and tend to paint slightly different pictures of its predictors. Features such as low empathy, high narcissism, use of self-serving rationalizations, and an interpersonal style marked by high agency (dominance) and low communion (i.e. cold-heartedness) are consistent across measures.^[15]^[16]^[17]

Manipulative behaviors typically exploit the following vulnerabilities:

Vulnerability	Description
Naïveté or immaturity	People who find it too hard to accept the idea that some people are cunning, devious and ruthless or are "in denial" if they are being taken advantage of. They will acknowledge the fact of being manipulated only if it occurs too often.^[18]
Over-conscientiousness	People who are much harder on themselves than on others often are too willing to give another the benefit of the doubt and see their side of things while blaming themselves for hurting the manipulator.^[18]
Low self-esteem	People who struggle with self-doubting, lacking in confidence and assertiveness, or chronically unsure of their right to pursue their legitimate wants and needs. They are likely to go on the defensive too easily when challenged by an aggressive personality.^[18]
Over-intellectualization	People who believe that others only do hurtful things when there's some legitimate, understandable reason for manipulation. They might delude themselves into believing that uncovering and understanding all the reasons for the manipulator's behavior will be sufficient to make things different.^[18]
Emotional dependency	People who have a submissive or dependent personality. The more emotionally dependent a person is, the more vulnerable they are to being exploited and manipulated.^[18]

Harriet B. Braiker

Harriet B. Braiker identified the following ways that manipulators control their victims:^[19]

Positive reinforcement: includes praise, superficial charm, superficial sympathy (crocodile tears), excessive apologizing, money, approval, gifts, attention, facial expressions such as a forced laugh or smile, and public recognition.
Negative reinforcement: involves removing one from a negative situation as a reward.
Gaslighting: making someone question their own reality.
Intermittent or partial reinforcement: Partial or intermittent negative reinforcement can create an effective climate of fear and doubt. Partial or intermittent positive reinforcement can encourage the victim to persist.
Punishment: includes nagging, yelling, the silent treatment, intimidation, threats, swearing, emotional blackmail, guilt trips, sulking, crying, and playing the victim.
Traumatic one-trial learning: using verbal abuse, explosive anger, or other intimidating behavior to establish dominance or superiority; even one incident of such behavior can condition or train victims to avoid upsetting, confronting or contradicting the manipulator.

According to Braiker, manipulators exploit the following vulnerabilities (buttons) that may exist in victims:^[19]

The desire to please
Addiction to earning the approval and acceptance of others
Emotophobia (fear of negative emotion; i.e. a fear of expressing anger, frustration or disapproval)
A lack of assertiveness and ability to say no
A blurry sense of identity (with soft personal boundaries)
Low self-reliance
Possessing an external locus of control

Manipulators can have various possible motivations, including but not limited to:^[19]

The need to advance their own purposes and personal gain at (virtually any) cost to others
A strong need to attain feelings of power and superiority in relationships with others - compare megalomania (associated with, for example, narcissistic personality disorder)^[20]
A want and need to feel in control
A desire to gain a feeling of power over others in order to raise their perception of self-esteem
Boredom, or growing tired of one's surroundings; seeing manipulation as a game more than hurting others
Covert agendas, criminal or otherwise, including financial manipulation (often seen when intentionally targeting the elderly or unsuspecting, unprotected wealthy for the sole purpose of obtaining victims' financial assets)
Not identifying with underlying emotions (including experiencing commitment phobia), and subsequent rationalization (offenders do not manipulate consciously, but rather try to convince themselves of the invalidity of their own emotions)
A lack of self-control over impulsive and anti-social behaviour - leading to pre-emptive or reactionary manipulation to maintain image

George K. Simon

According to psychology author George K. Simon, successful psychological manipulation primarily involves the manipulator:^[18]

Concealing aggressive intentions and behaviors and being affable.
Knowing the psychological vulnerabilities of the victim to determine which tactics are likely to be the most effective.
Having a sufficient level of ruthlessness to have no qualms about causing harm to the victim if necessary.

Techniques of manipulators may include:

Techniques	Description
Lying (by commission)	It is hard to tell if somebody is lying at the time they do it, although often the truth may be apparent later when it is too late. One way to minimize the chances of being lied to is to understand that some personality types (particularly psychopaths) are experts at lying and cheating, doing it frequently, and often in subtle ways.
Lying by omission	This is a subtle form of lying by withholding a significant amount of the truth. This technique is also used in propaganda.
Denial	Manipulator refuses to admit that they have done something wrong.
Rationalization	An excuse made by the manipulator for inappropriate behavior. Rationalization is closely related to spin.
Minimization	This is a type of denial coupled with rationalization. The manipulator asserts that their behavior is not as harmful or irresponsible as someone else was suggesting.
Selective inattention or selective attention	Manipulator refuses to pay attention to anything that may distract from their agenda.
Diversion	Manipulator not giving a straight answer to a straight question and instead being diversionary, steering the conversation onto another topic.
Evasion	Similar to diversion but giving irrelevant, rambling, or vague responses
Covert intimidation	Manipulator putting the victim onto the defensive by using veiled (subtle, indirect or implied) threats.
Guilt trip	A special kind of intimidation tactic. A manipulator suggests to the conscientious victim that they do not care enough, are too selfish or have it too easy. This can result in the victim feeling bad, keeping them in a self-doubting, anxious and submissive position.
Shaming	Manipulator uses sarcasm and put-downs to increase fear and self-doubt in the victim. Manipulators use this tactic to make others feel unworthy and therefore defer to them. Manipulators can make one feel ashamed for even daring to challenge them. It is an effective way to foster a sense of inadequacy in the victim.
Vilifying the victim	This tactic is a powerful means of putting the victim on the defensive while simultaneously masking the aggressive intent of the manipulator, while the manipulator falsely accuses the victim as being an abuser in response when the victim stands up for or defends themselves or their position.
Playing the victim role	Manipulator portrays themself as a victim of circumstance or of someone else's behavior in order to gain pity, sympathy or evoke compassion and thereby get something from another. Caring and conscientious people often cannot stand to see anyone suffering and the manipulator often finds it easy to play on sympathy to get cooperation.
Playing the servant role	Cloaking a self-serving agenda in the guise of a service to a more noble cause.
Seduction	Manipulator uses charm, praise, flattery or overtly supporting others in order to get them to lower their defenses and give their trust and loyalty to the manipulator. They will also offer help with the intent to gain trust and access to an unsuspecting victim they have charmed.
Projecting the blame (blaming others)	Manipulating scapegoats in often subtle, hard-to-detect ways. Often, the manipulator will project their own thinking onto the victim, making the victim look like they have done something wrong. Manipulators will also claim that the victim is the one who is at fault for believing lies that they were conned into believing, as if the victim forced the manipulator to be deceitful. All blame, except for the part that is used by the manipulator to accept false guilt, is done in order to make the victim feel guilty about making healthy choices, correct thinking and good behaviors. It is frequently used as a means of psychological and emotional manipulation and control. Manipulators lie about lying, only to re-manipulate the original, less believable story into a "more acceptable" truth that the victim will believe. Projecting lies as being the truth is another common method of control and manipulation. Manipulators may falsely accuse the victim of "deserving to be treated that way". They often claim that the victim is crazy or abusive, especially when there is evidence against the manipulator.
Feigning innocence	Manipulator tries to suggest that any harm done was unintentional or that they did not do something that they were accused of. Manipulator may put on a look of surprise or indignation. This tactic makes the victim question their own judgment and possibly their own sanity.
Feigning confusion	Manipulator tries to play dumb by pretending they do not know what the victim is talking about or is confused about an important issue brought to their attention. The manipulator intentionally confuses the victim in order for the victim to doubt their own accuracy of perception, often pointing out key elements that the manipulator intentionally included in case there is room for doubt. Sometimes manipulators will have used cohorts in advance to help back up their story.
Brandishing anger	Manipulator uses anger to brandish sufficient emotional intensity and rage to shock the victim into submission. The manipulator is not actually angry, they just put on an act. They just want what they want and get "angry" when denied. Controlled anger is often used as a manipulation tactic to avoid confrontation, avoid telling the truth or to further hide intent. There are often threats used by the manipulator of going to the police, or falsely reporting abuses that the manipulator intentionally contrived to scare or intimidate the victim into submission. Blackmail and other threats of exposure are other forms of controlled anger and manipulation, especially when the victim refuses initial requests or suggestions by the manipulator. Anger is also used as a defense so the manipulator can avoid telling truths at inconvenient times or circumstances. Anger is often used as a tool or defense to ward off inquiries or suspicion. The victim becomes more focused on the anger instead of the manipulation tactic.
Bandwagon effect	Manipulator comforts the victim into submission by claiming (whether true or false) that many people already have done something, and the victim should as well. Such manipulation can be seen in peer pressure situations, often occurring in scenarios where the manipulator attempts to influence the victim into trying drugs or other substances.

Martin Kantor

Kantor advises in his 2006 book The Psychopathology of Everyday Life: How Antisocial Personality Disorder Affects All of Us that vulnerability to psychopathic manipulators involves being too:^[21]

Dependent – dependent people need to be loved and are therefore gullible and liable to say yes to something to which they should say no.
Immature – has impaired judgment and so tends to believe exaggerated advertising claims.
Naïve – cannot believe there are dishonest people in the world, or takes it for granted that if there are any, they will not be allowed to prey on others.
Impressionable – overly seduced by charmers.
Trusting – people who are honest often assume that everyone else is honest. They are more likely to commit themselves to people they hardly know without checking credentials, etc., and less likely to question so-called experts.
Careless – not giving sufficient amount of thought or attention to harm or errors.
Lonely – lonely people may accept any offer of human contact. A psychopathic stranger may offer human companionship for a price.
Narcissistic – narcissists are prone to falling for unmerited flattery.
Impulsive – make snap decisions.
Altruistic – the opposite of psychopathic: too honest, too fair, too empathetic.
Frugal – cannot say no to a bargain even if they know the reason it is so cheap.
Materialistic – easy prey for loan sharks or get-rich-quick schemes.
Greedy – the greedy and dishonest may fall prey to a psychopath who can easily entice them to act in an immoral way.
Masochistic – lack self-respect and so unconsciously let psychopaths take advantage of them. They think they deserve it out of a sense of guilt.
The elderly – the elderly can become fatigued and less capable of multi-tasking. When hearing a sales pitch they are less likely to consider that it could be a con. They are more likely to give money to someone with a hard-luck story. See elder abuse.

Assessment tools

MACH-IV

Manipulativeness is a primary feature found in the Machiavellianism construct.^[22]^[23] The MACH-IV, conceptualized by Richard Christie and Florence Geis, is a popular and widely used psychological measure of manipulative and deceptive behavior.^[24]

Emotional manipulation scale

The emotional manipulation scale is a ten-item questionnaire developed in 2006 through factor analysis, primarily to measure one's tendency to use emotions to their advantage in controlling others.^[25] At the time of publication, emotional intelligence assessments did not specifically examine manipulative behavior and were instead predominantly focussed on Big Five personality trait assessment.^[25]

Managing the emotions of others scale

The "Managing the Emotions of Others Scale" (MEOS) was developed in 2013 through factor analysis to measure the ability to change emotions of others.^[26] The survey questions measure six categories: mood (or emotional state) enhancement, mood worsening, concealing emotions, capacity for inauthenticity, poor emotion skills, and using diversion to enhance mood. The enhancement, worsening and diversion categories have been used to identify the ability and willingness of manipulative behavior.^[12] The MEOS has also been used for assessing emotional intelligence, and has been compared to the HEXACO model of personality structure, for which the capacity for inauthenticity category in the MEOS was found to correspond to low honesty-humility scores on the HEXACO.^[27]

Manipulation and personality disorders

Manipulative tendencies may derive from cluster B personality disorders such as narcissistic personality disorder, antisocial personality disorder, and borderline personality disorder. Manipulative behavior has also been related with one's level of emotional intelligence.^[12]^[28] Discussion of manipulation may vary depending on which behavior is specifically included, and whether one is referring to the general population or in clinical contexts.^[29]

Antisocial personality disorder features deceit and manipulation of others as an explicit criterion. This runs the gamut of deception, from lying and superficial displays of charisma to frequent use of aliases and disguises, and criminal fraudulence.^[3] The Alternative Model of Personality Disorders (AMPD) in Section III of DSM-5 requires the presence of manipulative behaviour for a diagnosis of ASPD, with two symptoms (deceitfulness and manipulativeness) reflecting such tendencies out of the seven listed, with six being required for diagnosis (the others are impulsivity, irresponsibility, risk-taking, callousness and hostility).^[3] The related syndrome of psychopathy also features pathological lying and manipulation for personal gain, as well as superficial charm, as cardinal features.^[3]

Borderline personality disorder is unique in the grouping as "borderline" manipulation is characterized as unintentional and dysfunctional manipulation.^[30] Marsha M. Linehan has stated that people with borderline personality disorder often exhibit behaviors which are not truly manipulative, but are erroneously interpreted as such.^[31] According to Linehan, these behaviors often appear as unthinking manifestations of intense pain, and are often not deliberate as to be considered truly manipulative. In the DSM-V, manipulation was removed as a defining characteristic of borderline personality disorder.^[30]

Conduct disorder is the appearance of antisocial behavior occurring in children and adolescents.^[32] Individuals with this disorder are characterized by a lack of empathy, a low sense of guilt, and shallow emotionality. Aggression and violence are two factors that characterize individuals with this disorder. In order for a child to be diagnosed with this disorder, the behavior must be consistent for at least 12 months.^[33]

Factitious disorder is a mental illness in which individuals purposely fake having symptoms of some condition, physically or psychologically. Fabricating illnesses allows individuals to feel a thrill^[34] and receive free aid in hospital admissions and treatment. Feelings of persistence, abuse in early childhood, and excessive thoughts were common for these individuals who connected to Borderline Personality Disorder.^[35]

Histrionic personality disorder is a personality disorder characterized by dramatic and attention seeking behavior. Individuals with the personality disorder exhibit inappropriate alluring tactics, and irregular emotional patterns. Histrionic symptoms include "seeking reassurance, switching emotional, and feeling uncomfortable." Histrionic and Narcissistic Personality Disorders overlap because decisions are sporadic and unreliable.^[36]

Narcissistic personality disorder is characterized by a belief of superiority, exhibitionism, self-centeredness and a lack of empathy. Individuals with NPD can be charming but also show exploitive behaviors in the interpersonal domain. They are motivated by success, beauty, and may have feelings of entitlement.^[37] Those with this disorder often engage in assertive self enhancement and antagonistic self-protection.^[37] All of these factors can lead an individual with narcissistic personality disorder to manipulate others.

Under the ICD-11's dimensional model of personality pathology, deceitful, manipulative and exploitative behaviors are cardinal expressions of the lack of empathy domain of the Dissociality trait.^[38]

Counters to manipulative behavior

Many have proposed ways for potential victims to identify manipulation attempts and take action to prevent victimization.^[39]

Identifying manipulation

Manipulation can be identified through several established tactics and behavioral signs. Guilt tripping occurs when manipulators can evoke unjustified guilt in their victims as a means to control them, while gaslighting involves manipulators causing their victim to doubt themself and their beliefs through distortion of reality.^[40]^[41] Another tactic is love-bombing, where manipulators may escalate affection at an unreasonable rate in an attempt to better control their victim through forming trust.^[42]

Several behavioral red flags can help identify manipulation, including inconsistencies where the manipulator's actions and words do not align, excessive flattery that manifests as unwarranted praise and excessive compliments, and isolation attempts where the manipulator tries to separate the victim from friends and family.^[43]

Preventing manipulation

The establishment of healthy boundaries requires two primary components: verbal communication for boundary definition and respect parameters, and assertiveness training for non-aggressive position maintenance. Emotional awareness monitoring consists of systematic self-reflection procedures and mindfulness exercise implementation for emotion recognition and processing.^[44] Building self-esteem involves practicing self-compassion during challenging times and using positive affirmations to boost confidence. Seeking support can include professional therapy and engaging supportive social networks to manage manipulative influences. Learning about manipulation involves studying related methodologies and participating in educational workshops to develop protective skills. When manipulation escalates to harassment or abuse, legal consultation may become necessary for pursuing appropriate protective measures.^[44]

References

^ Cambridge Dictionary. (n.d.). Manipulation. In Cambridge English Dictionary. Cambridge University Press. https://dictionary.cambridge.org/us/dictionary/english/manipulation
^ "Manipulation". APA Dictionary of Psychology. Washington, DC: American Psychological Association. n.d. Retrieved 10 October 2021.
^ ^a ^b ^c ^d Lynam, Donald R.; Vachon, David D. (2012). "Antisocial personality disorder in DSM-5: Missteps and missed opportunities". Personality Disorders: Theory, Research, and Treatment. 3 (4): 483–495. doi:10.1037/per0000006. ISSN 1949-2723. PMID 23106185.
^ Brennan D. "Signs of Emotional Manipulation". www.webmd.com. WebMD. Retrieved 23 November 2020.
^ Lee, K., & Ashton, M. C. (2013). The H factor of personality: Why some people are manipulative, self-entitled, materialistic, and exploitive—and why it matters for everyone.
^ Ekman, P. (2009). Telling lies: Clues to deceit in the marketplace, politics, and marriage (revised edition). WW Norton & Company.
^ DePaulo, B. M., Kirkendol, S. E., Tang, J., & O'Brien, T. P. (1988). The motivational impairment effect in the communication of deception: Replications and extensions. Journal of nonverbal Behavior, 12, 177-202.
^ Bursten, B. (1972). The manipulative personality. Archives of general psychiatry, 26(4), 318-321.
^ Nichols S. "The Ethics of Manipulation". Stanford Encyclopedia of Philosophy. Stanford University. Retrieved 22 March 2020.
^ Duncan RD. "Influence Versus Manipulation: Understand The Difference". Forbes. Retrieved 21 December 2018.
^ Sinha, Ruchi (2022-01-26). "Are You Being Influenced or Manipulated?". Harvard Business Review. ISSN 0017-8012. Retrieved 2024-05-03.
^ ^a ^b ^c ^d Ngoc NN, Tuan NP, Takahashi Y (October 2020). "A Meta-Analytic Investigation of the Relationship Between Emotional Intelligence and Emotional Manipulation". SAGE Open. 10 (4): 215824402097161. doi:10.1177/2158244020971615. ISSN 2158-2440. S2CID 228806921.
^ Rodriguez LM, Mesurado B, Moreno JE (2018-11-29). "Ethical Position, Empathy and Prosocial Behaviour Model: Its Contribution to Prevention and Psychotherapeutic Approaches of Antisocial Disorders". Psychiatry and Neuroscience Update. Cham: Springer International Publishing. pp. 273–286. doi:10.1007/978-3-319-95360-1_22. ISBN 978-3-319-95359-5. S2CID 150110593.
^ Eisenberg N, Miller PA (January 1987). "The relation of empathy to prosocial and related behaviors". Psychological Bulletin. 101 (1): 91–119. doi:10.1037/0033-2909.101.1.91. PMID 3562705.
^ Miller, Joshua D.; Gentile, Brittany; Campbell, W. Keith (2013-07-01). "A Test of the Construct Validity of the Five-Factor Narcissism Inventory". Journal of Personality Assessment. 95 (4): 377–387. doi:10.1080/00223891.2012.742903. ISSN 0022-3891. PMID 23186210. S2CID 36810335.
^ Grieve, Rachel; Mahar, Doug (2010-06-01). "The emotional manipulation–psychopathy nexus: Relationships with emotional intelligence, alexithymia and ethical position". Personality and Individual Differences. 48 (8): 945–950. doi:10.1016/j.paid.2010.02.028. ISSN 0191-8869.
^ Brunell, Amy B.; Buelow, Melissa T. (2018-03-01). "Homogenous scales of narcissism: Using the psychological entitlement scale, interpersonal exploitativeness scale, and narcissistic grandiosity scale to study narcissism". Personality and Individual Differences. 123: 182–190. doi:10.1016/j.paid.2017.11.029. ISSN 0191-8869.
^ ^a ^b ^c ^d ^e ^f Simon GK (1996). In Sheep's Clothing: Understanding and Dealing with Manipulative People. Parkhurst Brothers, Incorporated, Publishers. ISBN 978-1-935166-30-6. (reference for the entire section)
^ ^a ^b ^c Braiker HB (2004). Who's Pulling Your Strings ? How to Break The Cycle of Manipulation. McGraw Hill Professional. ISBN 978-0-07-144672-3.
^ Giovacchini PL (1996). Treatment of Primitive Mental States. Master work series. Northvale, New Jersey: Jason Aronson. p. 24. ISBN 9781568218083. Retrieved 24 July 2021. These are early ego states that are characterized by megalomanic feelings. Freud's (1914a) description of 'his majesty, the baby' well illustrates this situation of omnipotent manipulation.
^ Kantor M (2006). The Psychopathology of Everyday Life: How Antisocial Personality Disorder Affects All of Us. Bloomsbury Academic. ISBN 978-0-275-98798-5.
^ Jones DN, Paulhus DL (August 2017). "Duplicity among the dark triad: Three faces of deceit". Journal of Personality and Social Psychology. 113 (2): 329–342. doi:10.1037/pspp0000139. PMID 28253006. S2CID 30684586.
^ Abell L, Qualter P, Brewer G, Barlow A, Stylianou M, Henzi P, Barrett L (August 2015). "Why Machiavellianism Matters in Childhood: The Relationship Between Children's Machiavellian Traits and Their Peer Interactions in a Natural Setting". Europe's Journal of Psychology. 11 (3): 484–493. doi:10.5964/ejop.v11i3.957. PMC 4873058. PMID 27247672.
^ Christie, R., & Geis, F. L. (2013). Studies in machiavellianism. Academic Press.
^ ^a ^b Austin EJ, Farrelly D, Black C, Moore H (July 2007). "Emotional intelligence, Machiavellianism and emotional manipulation: Does EI have a dark side?". Personality and Individual Differences. 43 (1): 179–189. doi:10.1016/j.paid.2006.11.019. ISSN 0191-8869.
^ Austin EJ, O'Donnell MM (October 2013). "Development and preliminary validation of a scale to assess managing the emotions of others". Personality and Individual Differences. 55 (7): 834–839. doi:10.1016/j.paid.2013.07.005. hdl:20.500.11820/cea54d2e-9550-4226-b246-094288693428. ISSN 0191-8869.
^ Austin EJ, Vahle N (May 2016). "Associations of the Managing the Emotions of Others Scale (MEOS) with HEXACO personality and with trait emotional intelligence at the factor and facet level". Personality and Individual Differences. 94: 348–353. doi:10.1016/j.paid.2016.01.047. ISSN 0191-8869.
^ Kernberg O (1975). Borderline Conditions and Pathological Narcissism. New York: Jason Aronson. ISBN 978-0-87668-205-0.
^ Potter NN (April 2006). "What is manipulative behavior, anyway?". Journal of Personality Disorders. 20 (2): 139–156. doi:10.1521/pedi.2006.20.2.139. PMID 16643118.
^ ^a ^b Aguirre B (2016). "Borderline Personality Disorder: From Stigma to Compassionate Care". Stigma and Prejudice. Current Clinical Psychiatry. Humana Press, Cham. pp. 133–143. doi:10.1007/978-3-319-27580-2_8. ISBN 9783319275789.
^ Staff writer(s). "On Manipulation with the Borderline Personality". ToddlerTime Network. Retrieved 28 December 2014.
^ "Conduct Disorder".
^ Pisano S, Muratori P, Gorga C, Levantini V, Iuliano R, Catone G, et al. (September 2017). "Conduct disorders and psychopathy in children and adolescents: aetiology, clinical presentation and treatment strategies of callous-unemotional traits". Italian Journal of Pediatrics. 43 (1): 84. doi:10.1186/s13052-017-0404-6. PMC 5607565. PMID 28931400.
^ "Factitious disorder - Symptoms and causes". Mayo Clinic. Retrieved 2023-08-28.
^ Carnahan, Kevin T.; Jha, Anupam (2022), "Factitious Disorder", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 32491479, retrieved 2022-10-30
^ "Histrionic Personality Disorder". Psychology Today. 15 September 2021. Retrieved 25 September 2022.
^ ^a ^b Wetzel E, Leckelt M, Gerlach TM, Back MD (July 2016). "Distinguishing Subgroups of Narcissists with Latent Class Analysis". European Journal of Personality. 30 (4): 374–389. doi:10.1002/per.2062. ISSN 0890-2070. S2CID 151869472.
^ Bach, B., & First, M. B. (2018). Application of the ICD-11 classification of personality disorders. BMC psychiatry, 18, 1-14.
^ Dunstan, James (2023) Manipulation and influence: a trickery account of manipulation applied to three scopes. PhD thesis, University of Sheffield.
^ "Guilt Trips: How to Deal with Them".
^ "Definition of GASLIGHTING". 13 November 2024.
^ "Love Bombing | Psychology Today".
^ Duray-Parmentier, C., Nielens, N., Duray, E., Janne, P., & Gourdin, M. (2022). What Are The Internal And External Solutions (Concept Of Resilience) That We Can Bring To A “Toxic” Parent (Or Perverse Narcissic Manipulator)?'. International Journal Of Complementary & Alternative Medicine, 15(4), 201-11.
^ ^a ^b https://www.researchgate.net/publication/383819609_Boundary_Setting_Practices

v t e Manipulation (psychology)
Positive manipulation	Big lie Brainwashing Bribery Child grooming Disinformation Flattery Love bombing Predatory marriage Propaganda Seduction
Negative manipulation	Bullying Character assassination Coercion Intimidation Mind games Mobbing Smear campaign Social rejection
Other manipulation	Entrapment Gaslighting Good cop, bad cop Indoctrination Influence-for-hire Interrogation Spin (propaganda)
Related manipulation topics	Crowd manipulation Confidence trick Internet manipulation Market manipulation Media manipulation Nudge theory Shill Undue influence

v t e Psychopathy
Contexts	In fiction In the workplace
Characteristics	Anti-social behaviour Bold Callous Diminished empathy Disinhibited Grandiose Impulsive Lack of guilt Manipulative Pathological lying Remorseless Shallow affect Superficially charming
Related topics	Antisocial personality disorder Conduct disorder Dark triad History of psychopathy Juvenile delinquency Machiavellianism Macdonald triad Narcissism Psychopathic Personality Inventory Psychopathy Checklist Sadistic personality disorder Sexual sadism disorder Sociopathy
Notable theorists	Hervey M. Cleckley George E. Partridge Robert D. Hare