Table of Contents
Abstract
The Machiavellianism Test (MACH-IV) is the seminal self-report questionnaire designed to measure the Machiavellianism personality trait. Developed by Richard Christie and Florence L. Geis in 1970, the scale operationalizes Machiavellianism as a construct characterized by a cynical worldview, a profound distrust of others, and a pragmatic focus on self-interest and personal gain, often achieved through manipulation and deception. Comprising 20 items, the MACH-IV requires respondents to indicate their level of agreement with statements concerning human nature and interpersonal tactics. It remains a crucial research tool for understanding the characteristics and behavioral outcomes associated with high Machiavellian tendencies, including relationships with other dark traits such as narcissism and psychopathy.
Keywords
Machiavellianism, MACH-IV, personality trait, manipulation, cynicism, self-interest, Dark Triad, social psychology, Christie and Geis.
Authors
Richard Christie, Florence L. Geis.
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Purpose
The primary purpose of the MACH-IV is to provide a standardized, quantitative measure of the Machiavellianism construct within psychological and sociological research. By quantifying this trait, researchers can effectively study its prevalence across various populations, its antecedents, and its behavioral consequences in professional, academic, and relational settings. The scale allows for the reliable differentiation between individuals who endorse manipulative, cynical viewpoints and those who hold more altruistic or trusting views of human nature.
Beyond academic research, the MACH-IV serves practical applications. It is utilized in clinical settings to assess specific personality trait profiles of clients, aiding therapists in developing tailored treatment plans. Furthermore, it can be employed in organizational psychology and career development to foster self-awareness, helping individuals understand how their Machiavellian tendencies might influence their performance, leadership style, and compatibility with specific career paths.
Construct
The scale measures Machiavellianism, a dispositional construct named after the influential Renaissance political philosopher, Niccolò Machiavelli. This trait is fundamentally defined by three core components: 1) a cynical view of human nature, believing that people are inherently weak, selfish, and untrustworthy; 2) a willingness to use cunning, deception, and manipulation to achieve personal goals; and 3) an emotional detachment that facilitates the pragmatic pursuit of self-interest, often disregarding conventional morality.
Unlike related concepts like narcissism or psychopathy (with which it forms the Dark Triad), Machiavellianism emphasizes strategic, calculated manipulation rather than impulsivity or grandiosity. High scorers on the MACH-IV typically endorse statements that support the idea that ends justify the means and that emotional displays should be leveraged for strategic advantage. The construct is often analyzed in relation to power, status, and unethical behavior in organizational contexts.
Validity
The MACH-IV has demonstrated strong evidence of validity since its inception. Construct validity has been supported through its consistent correlations with expected behavioral outcomes, such as unethical decision-making, interpersonal manipulation, and lower levels of cooperation. Furthermore, research has established its placement within the Dark Triad, showing significant positive correlations with measures of narcissism and psychopathy, while remaining conceptually distinct.
Studies examining various samples have confirmed the scale’s utility across different cultural and demographic groups, though some research, such as the work by Rauthmann (2013), suggests potential refinements or the use of two-dimensional models (TDM) to improve the measure’s structural validity. Overall, the MACH-IV is widely accepted as a valid instrument for assessing the classical conceptualization of the Machiavellianism personality trait.
Reliability
The MACH-IV is generally regarded as a reliable measure of Machiavellianism. Initial validation studies by Christie and Geis established acceptable levels of internal consistency, indicating that the 20 items consistently measure the same underlying construct. Subsequent research across decades and international samples has generally reaffirmed its reliability, though specific alpha coefficients can vary depending on the population studied.
While the original scale is robust, researchers often recommend careful administration to mitigate response biases inherent in any self-report questionnaire, such as social desirability, which can potentially skew results and affect reliability in certain contexts. However, its widespread use and consistent performance in meta-analyses attest to its enduring psychometric soundness.
Factor Analysis
Historically, the MACH-IV was intended to be a unidimensional scale measuring a single global factor of Machiavellianism. However, subsequent factor analytic studies have frequently revealed a more complex structure, often suggesting two primary factors. These factors typically separate the cynical worldview/distrust component from the manipulative tactics component.
For instance, some researchers propose a two-dimensional model (TDM) where the factors are: 1) Views (e.g., cynical beliefs about human nature) and 2) Tactics (e.g., manipulative strategies for success). While the total score remains the most common metric used in research, the recognition of these underlying dimensions has allowed for more nuanced analysis of the specific facets driving Machiavellianism-related behavior.
Instrument
Test Type: Self-report questionnaire / Psychometric Scale
Format: 20 items, typically using a 7-point Likert scale (ranging from 1=strongly disagree to 7=strongly agree).
Language Available: Primarily English, with validated translations available in numerous languages, including Spanish.
Population Group: General population, including students, employees, and clinical samples.
Age Group: Adolescents and Adults (typically 16+).
Population Details: Used extensively in social, organizational, and personality psychology research.
Test Methodology: Respondents rate their agreement with 20 statements regarding interpersonal ethics and views on human nature. Scores are summed, with higher scores indicating higher levels of Machiavellianism. Completion time is typically 2 to 5 minutes.
Keywords
Cynicism, manipulation, social influence, Dark Triad, personality assessment, Niccolò Machiavelli, psychological measurement, organizational behavior.
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Authors
Author ORCID Identifier: Not specified in source content.
Affiliation Email addresses: Not specified in source content.
Correspondence Address: Not specified in source content.
Permissions & Fee and Test Year
The MACH-IV was developed in 1970 by Richard Christie and Florence L. Geis. As a widely published academic scale, the instrument itself is generally available for non-commercial academic research without a direct fee, provided the original work by Christie and Geis (1970) is properly cited. Commercial or specialized clinical use may require specific licensing or permissions, depending on the implementation.
Reference’s
- Christie, R., & Geis, F. L. (1970). Studies in Machiavellianism. New York: Academic Press.
- Christie‚ R.‚ and F. L. Geis. (1970) How devious are you? Take the Machiavelli test to find out.” Journal of Management in Engineering 15.4: 17.
- Christie‚ R. & Geis‚ F. (1970) “Studies in Machiavellianism”. NY: Academic Press.
- Corral‚ Susana and Calvete‚ Esther. (2000). Machiavellianism: Dimensionality of the Mach IV and its Relation to Self-Monitoring in a Spanish Sample. The Spanish Journal of Psychology The Spanish Journal of Psychology‚ 3(1); 3-13.
- DeShong, H., Douglas, K. M., & Sutton, R. M. (2017). Machiavellianism, unethical behavior, and organizational outcomes: A meta-analysis. Journal of Applied Psychology, 102(3), 591-606.
- Rauthmann, J. F. (2013). The two-dimensional Machiavellianism (TDM) scale: A revision of the Mach IV scale. Psychological Assessment, 25(3), 868-879.
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Items of the Machiavellianism Test (MACH-IV)
IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.
The MACH-IV utilizes a 7-point scale for responses:
- 1- strongly disagree
- 2- moderately disagree
- 3- slightly disagree
- 4- neutral
- 5- slightly agree
- 6- moderately agree
- 7- strongly agree
- Never tell anyone the real reason you did something unless it is useful to do so.
- The best way to handle people is to tell them what they want to hear.
- One should take action only when sure it is morally right.
- Most people are basically good and kind.
- It is safest to assume that all people have a vicious streak and it will come out when they are given a chance.
- Honesty is the best policy in all cases.
- There is no excuse for lying to someone else.
- Generally speaking‚ people won’t work hard unless they’re forced to do so.
- All in all‚ it is better to be humble and honest than to be important and dishonest.
- When you ask someone to do something for you‚ it is best to give the real reasons for wanting it rather than giving reasons which carry more weight.
- Most people who get ahead in the world lead clean‚ moral lives.
- Anyone who completely trusts anyone else is asking for trouble.
- The biggest difference between most criminals and other people is that the criminals are stupid enough to get caught.
- Most people are brave.
- It is wise to flatter important people.
- It is possible to be good in all respects.
- P.T. Barnum was wrong when he said that there’s a sucker born every minute.
- It is hard to get ahead without cutting corners here and there.
- People suffering from incurable diseases should have the choice of being put painlessly to death.
- Most people forget more easily the death of their parents than the loss of their property.
Cite this article
Mohammed looti (2025). Machiavellianism Test (MACH-IV). Psychological Scales & Instruments Database. Retrieved from https://db.arabpsychology.com/scales/machiavellianism-test-mach-iv/
Mohammed looti. "Machiavellianism Test (MACH-IV)." Psychological Scales & Instruments Database, 9 Oct. 2025, https://db.arabpsychology.com/scales/machiavellianism-test-mach-iv/.
Mohammed looti. "Machiavellianism Test (MACH-IV)." Psychological Scales & Instruments Database, 2025. https://db.arabpsychology.com/scales/machiavellianism-test-mach-iv/.
Mohammed looti (2025) 'Machiavellianism Test (MACH-IV)', Psychological Scales & Instruments Database. Available at: https://db.arabpsychology.com/scales/machiavellianism-test-mach-iv/.
[1] Mohammed looti, "Machiavellianism Test (MACH-IV)," Psychological Scales & Instruments Database, vol. X, no. Y, ص Z-Z, October, 2025.
Mohammed looti. Machiavellianism Test (MACH-IV). Psychological Scales & Instruments Database. 2025;vol(issue):pages.