19/02/2023
It's a shame that it is used for labeling too...
Let's see the DISC universe.
The story of DISC begins somewhat dryly, only to become a model of storytelling and just to transform the simple board game-like universe into a 23-25 page long report in the end.
There's a lot of professional work that goes into creating very complex phenomena so simply.
Let’s look at the path it's taken.
In 1948, the organizational psychologist W.V. Clarke identified four factors of a self-descriptive scale of 81 markers from his data analysis created for selection, called Activity Vector Analysis.
These factors are aggressive, social, stable, and avoidant.
The questionnaire had to be completed twice; once identifying statements “least” describing the responder, and the second time marking statements “mostly” describing the respondent.
The AVA is still an available tool, but it has remained what it was designed to be since its inception and is an example of how an unattractive (unless it is an authority) acronym can start at a disadvantage to a brand that bides its time and finds the four expressive letters, an acronym like DISC.
To his result, Clarke found a model of W.M. Marston from 20 years earlier. In his book "The Emotions of Normal Men", he found an elegantly simple two-axis model, to which he referred: people are either active or passive, and circumstances are either supportive or full of challenges.
Active+challenging: Aggressive, Dominant;
Active+supportive: Social;
Passive+challenging: Avoidant;
Active+supportive: Stable.
However, Marston being an exciting player has entered into the picture; he had created a lie detector and the comic strip character Wonder Woman.
In 1956, there was another spin-off, which not only remained what it was intended to be but also became the dominant personality test in the Americas under the name of J. Cleaver.
Cleaver was Clarke's colleague and used adjectives like his own for the survey. He organized the markers into groups of four using 24 sets of questions. In his test, each group of questions has both a positive and a negative adjective, as shown in the second picture "how to solve Cleaver so that we get hired" guide (bottom picture).
And at last, a fourth method was born, now based on Cleaver's tool, the Personal Profile System (PPS, j. Geier, 1970s), which enriched not the tool itself but the assessment, with a thorough and detailed description of 15 types.
Finally, in 1994, the ® was added to the I, with the addition of four more sets of questions as DISCs.
According to an international survey in 2019, the global frequency distribution of types:
32 % S (stable, green)
30 % C (rule-following, blue)
29 % I (influencing, yellow)
9 % D (dominant, red).
According to the source, the prevalence of D is general, while the frequency distribution of the other factors varies from country to country.
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