Machiavellianism Test (MACH-IV)

Abstract

The Machiavellianism Test (MACH-IV) is a widely utilized psychological instrument designed to quantify an individual’s level of Machiavellianism as a distinct personality trait. Developed by Richard Christie and Florence L. Geis in 1970, the scale assesses a person’s tendency toward manipulation, cynical views of human nature, and emotional detachment, often prioritizing self-interest over conventional morality. The MACH-IV consists of 20 items rated on a 7-point Likert scale, making it a standard tool in personality psychology research, particularly in studies concerning social influence, ethics, and the Dark Triad of personality.

Keywords

Machiavellianism, MACH-IV, personality assessment, social manipulation, Richard Christie, Florence Geis, cynicism, Dark Triad.

Authors

Richard Christie, Florence L. Geis

Purpose

The primary purpose of the MACH-IV scale is to provide a reliable and quantifiable measure of the personality trait known as Machiavellianism. This construct is rooted in the philosophy described by Niccolò Machiavelli in his 16th-century work, The Prince, focusing on the use of cunning, expediency, and manipulation to achieve personal goals. The instrument allows researchers to differentiate individuals high in this trait—often termed “High Machs”—from those low in the trait (“Low Machs”), facilitating the study of behavioral differences across social, organizational, and ethical contexts.

The scale is instrumental in predicting manipulative behavior, negotiation tactics, and attitudes toward morality and trust. High scores on the MACH-IV are generally associated with a willingness to exploit others and a pragmatic, emotionally detached approach to interpersonal relationships.

Construct

The psychological construct measured by the MACH-IV is Machiavellianism, defined as a personality orientation characterized by manipulative interpersonal tactics, a cynical worldview, and a moral outlook that justifies means by ends. This trait is typically considered one of the three components of the Dark Triad (alongside narcissism and psychopathy).

The scale captures several facets of this construct, including: 1) a disregard for conventional morality, 2) a belief that others are weak or easily manipulated, 3) an inclination to deceive or flatter to achieve success, and 4) a general sense of emotional distance and lack of empathy. High Machiavellian individuals view social interactions as games where deceit and strategy are necessary tools for success.

Validity

The validity of the MACH-IV has been extensively studied since its introduction. Construct validity is supported by its consistent correlation with behavioral measures of manipulation, deception, and unethical decision-making. Individuals scoring highly on the MACH-IV tend to perform better in loosely structured situations where negotiation and deception are advantageous.

Convergent validity is demonstrated through its positive correlation with other measures of the Dark Triad traits, although it remains conceptually and statistically distinct, particularly from psychopathy. Studies have also established its predictive validity in organizational settings, showing that high Machiavellianism predicts counterproductive work behavior and lower organizational commitment. However, cross-cultural validity studies, such as those conducted in Spanish samples by Corral and Calvete (2000), sometimes suggest variations in its dimensional structure, which necessitates careful interpretation across diverse populations.

Reliability

The MACH-IV generally demonstrates acceptable to good internal consistency. Across numerous studies, the internal reliability, typically measured using Cronbach’s alpha, usually falls within the range of .70 to .85, indicating that the 20 items consistently measure the underlying construct of Machiavellianism. Test-retest reliability, which measures the stability of the trait over time, has also been shown to be moderate to high, confirming that Machiavellianism is a stable personality disposition rather than a transient state.

Factor Analysis

While the MACH-IV was originally designed as a unidimensional scale, factor analysis has often revealed a more complex structure, leading to ongoing debate regarding its dimensionality. Early factor analytic studies by Christie and Geis suggested that the scale measures a single, cohesive construct. However, subsequent research, including studies using Spanish samples (Corral & Calvete, 2000), often identifies distinct sub-factors.

The most commonly proposed sub-factors, sometimes referred to as facets, include: 1) Tactics (the manipulative behaviors used), 2) Views of Human Nature (the cynical belief that people are weak and untrustworthy), 3) Morality (the acceptance of unethical means), and 4) Trust (the lack of willingness to trust others). Despite these findings, the instrument is most frequently scored and used as a single, global measure of the trait in applied research.

Instrument

Test Type: Self-report personality inventory

Format: 20 items utilizing a 7-point Likert scale

Language Available: Primarily English, with validated translations in numerous languages including Spanish (as referenced in the source content), German, and Chinese.

Population Group: General adult population; widely used in university, business, and organizational samples.

Age Group: Adolescents (16+) and Adults

Population Details: The scale is non-clinical and is designed to measure variation in a stable personality trait within the general population.

Test Methodology: Respondents indicate their level of agreement or disagreement with each statement on a 7-point scale, ranging from 1 (strongly disagree) to 7 (strongly agree). Certain items are reverse-scored to prevent response bias. The total score, ranging from 20 to 140, represents the individual’s level of Machiavellianism.

Keywords

personality scale, psychometrics, manipulation, moral relativism, organizational behavior, social influence, Likert scale, internal consistency, test-retest reliability.

Authors

Author ORCID Identifier: N/A (Information not available in source content)

Affiliation Email addresses: N/A (Information not available in source content)

Correspondence Address: N/A (Information not available in source content)

Permissions & Fee and Test Year

The MACH-IV was published in 1970. Due to its age and widespread use in academic literature, the scale is often considered to be in the public domain for non-commercial, academic research purposes. Researchers should always consult the original publication or the authors’ estates for definitive permissions regarding commercial use or high-stakes applications. No specific fee structure is typically associated with its use in scholarly studies.

Reference’s

• 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 3(1): 3-13.
• The instrument can be found online at: http://personality-testing.info/tests/MACH-IV.php

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.

1. Never tell anyone the real reason you did something unless it is useful to do so.
2. The best way to handle people is to tell them what they want to hear.
3. One should take action only when sure it is morally right.
4. Most people are basically good and kind.
5. It is safest to assume that all people have a vicious streak and it will come out when they are given a chance.
6. Honesty is the best policy in all cases.
7. There is no excuse for lying to someone else.
8. Generally speaking‚ people won’t work hard unless they’re forced to do so.
9. All in all‚ it is better to be humble and honest than to be important and dishonest.
10. 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.
11. Most people who get ahead in the world lead clean‚ moral lives.
12. Anyone who completely trusts anyone else is asking for trouble.
13. The biggest difference between most criminals and other people is that the criminals are stupid enough to get caught.
14. Most people are brave.
15. It is wise to flatter important people.
16. It is possible to be good in all respects.
17. P.T. Barnum was wrong when he said that there’s a sucker born every minute.
18. It is hard to get ahead without cutting corners here and there.
19. People suffering from incurable diseases should have the choice of being put painlessly to death.
20. Most people forget more easily the death of their parents than the loss of their property.

Rating Scale: 1-strongly disagree‚ 2- moderately disagree‚ 3-slightly disagree‚ 4- neutral‚ 5- slightly agree‚ 6-‎- moderately agree‚ 7- strongly agree