Reconceptualization of the model of the basic personality structure

In the contemporary literature investigating basic personality structure, increases the number of studies testing and questioning comprehensiveness of the existing influential personality models, e.g., Five Factor Model (Costa & McCrae) and Six-factor HEXACO model (Ashton & Lee).

In our Lab, important research line is dedicated to the systematic collection of the evidence supporting the hypothesis of the existence of the broad, hierarchically organised, multidimensional behavioural dispositional structure, i.e., basic personality trait named Disintegration (Knežević, Savić, Kutlešić & Opačić, 2017).
Disintegration trait comprises of 9 subdimensions: General Executive Impairment, Perceptual Distortions, Enhanced Awareness, Depression, Paranoia, Mania, Flattened Affect, Somatic Dysregulations, and Magical Thinking. This trait was named Disintegration (Knežević et al., 2017). The basic assumption behind this construct is that all phenomena captured by these facets stem from a certain level of a disintegration of the information processing systems responsible for reality testing, resulting in peculiar, incoherent and distorted cognitions, emotions and motivations. Disintegration factor was found to be separate from the Big Five or Big Six traits. Disintegration was postulated to be a dimension accounting for both normal and abnormal personality variations, clearly differing from all Big Five or all Big six traits.

In addition to investigating Disintegration, in the Laboratory we collect evidence to prove the existence of disposition for amoral behaviour – Amoralism (Knežević & Radović). The Amoralism construct is similar to Honesty/Humility, proposed by HEXACO model as one of the basic personality traits. Indeed, it seems that individual differences in the sense of fair-play are forming a continuum independent of other personality traits. Facets of the amoralism are crudelia (sadism, brutality, and passive amorality), and frustralia (rationalisation and projection of amoral impulses, Machiavellianism, and resentment). The third facet – lascivia (low control, superficial hedonism, and laziness), though relevant for the related to the phenomena of morally relevant behaviour, in greater extent belongs to the domain of self-control (conscientiousness, restraint). Different from Honesty/Humility, Amoralism is secondary induced by the Disintegration, which makes it most similar to the Dark Triad/tetrad phenomena.

Predictive validity of basic personality traits in adaptive and maladaptive forms of behaviours

In the last few years, researchers from the Lab conducted two large-scale surveys. One study was longitudinal, on the representative sample of the Serbian population, while the other was conducted on the sample representative of the senior high-school population of Serbia.

Longitudinal research on the representative sample of Serbian population was aimed to investigate the influence of basic personality traits on psychopathology.

Research conducted on the sample of senior high-school students aimed to investigate proposed seven-factor personality model (Big five+Amoralism+Disintegration) and to explore predictive validity of the seven-factor personality model in wider spectrum of adaptive and maladaptive behaviours.

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