The PID-5-SF presents personality traits in two district methods. An empirically derived framework with five personality domains, and a seven personality domains framework that aligns with DSM-5-TR conceptualisation of personality pathology. 

The five empirically derived personality factors (and the facets that contribute to them) are:

1. Negative affectivity: Emotional lability, Anxiousness, Separation insecurity
2. Detachment: Withdrawal, Anhedonia, Intimacy avoidance
3. Antagonism: Manipulativeness, Deceitfulness, Grandiosity
4. Disinhibition: Irresponsibility, Impulsivity, Distractibility
5. Psychoticism: Unusual beliefs and experiences, Eccentricity, Perceptual dysregulation

The DSM-5-TR aligning framework known as the Alternative Model of Personalities (AMPD), includes the following domains:

• Schizotypal: (Facets: Perceptual Dysregulation, Unusual Beliefs And Experiences, Eccentricity, Restricted Affectivity, Withdrawal, and Suspiciousness.)
• Antisocial: (Manipulativeness, Callousness, Deceitfulness, Hostility, Risk Taking, Impulsivity, and Irresponsibility facets.)
• Antisocial with Psychopathy: (Manipulativeness, Callousness, Deceitfulness, Hostility, Risk Taking, Impulsivity, Irresponsibility, Attention Seeking, Anxiousness (inversed), and Withdrawal (inversed))
• Borderline: (Emotional Lability, Anxiousness, Separation Insecurity, Depressivity, Impulsivity, Risk Taking, and Hostility.)
• Narcissistic: (Attention Seeking and Grandiosity).
• Avoidant: (Anxiousness, Withdrawal, Anhedonia, and Intimacy Avoidance).
• Obsessive-Compulsive: (Rigid Perfectionism, Perseveration, Intimacy Avoidance, and Restricted Affectivity.)

The Alternative Model of Personalities (AMPD) composite scores align with the dimensional trait model proposed in Section III of the DSM-5 and DMS-5-TR.  The AMPD composite scores are derived from specific combinations of PID-5-SF facets that represent broader dimensions of personality functioning: The use of AMPD composite scores can be useful for clinicians in several ways. Firstly, it helps in diagnosing personality disorders in a more comprehensive, systematic and dimensional manner. By focusing on impairments in personality functioning and specific traits, clinicians can better capture the nuances and variations in personality pathology, leading to more accurate and personalised treatment planning. Research by Bach et al. (2015) supports the clinical utility of the AMPD model for diagnosing personality disorders in a dimensional approach.

Secondly, AMPD composite scores offer a standardised and quantifiable way of measuring personality dysfunction. This allows for easier comparison and communication among different clinicians and researchers, enhancing the consistency and reliability of personality assessment in both clinical and research settings.

Overall, the PID-5-SF enables a comprehensive evaluation of an individual’s personality traits and helps in identifying maladaptive patterns that may be indicative of various psychopathologies. By using a standardised measure like the PID-5-SF, clinicians can better assess and compare their clients’ personality traits across different diagnostic categories, leading to more accurate and reliable diagnoses. Additionally, the PID-5-SF offers a dimensional approach to personality assessment, allowing clinicians to capture the subtleties and variations in personality functioning rather than relying solely on categorical diagnoses. This dimensional approach is supported by research, such as that conducted by Krueger et al. (2012), which highlights the advantages of utilising personality trait measures for a more nuanced understanding of psychopathology.

As well as the major personality domains presented above, there are also 25 facets measured by the PID-5-SF. These facets represent specific dimensions of personality functioning, providing a detailed understanding of an individual’s personality traits and potential areas of concern. They are:

Anhedonia, Anxiousness, Attention Seeking, Callousness, Deceitfulness, Depressivity, Distractibility, Eccentricity, Emotional Lability, Grandiosity, Hostility, Impulsivity, Intimacy Avoidance, Irresponsibility, Manipulativeness, Perceptual Dysregulation, Perseveration, Restricted Affectivity, Rigid Perfectionism, Risk Taking, Separation Insecurity, Submissiveness, Suspiciousness, Unusual Beliefs and Experiences, and Withdrawal. 

Scoring and interpretation of the PID-5-SF involves summing the item responses within each facet and domain to obtain average scores (between 0 and 3). Higher average scores indicate elevated levels of specific personality traits, while average scores indicate relatively lower expression of those traits.

The PID-5-SF assesses five broad domains of personality traits, each representing distinct patterns of behaviour, emotions, and interpersonal functioning:

1. Negative Affectivity: This domain reflects the tendency to experience a range of negative emotions, such as anxiety, sadness, and irritability. Individuals scoring high in this domain may be prone to frequent mood swings, experience emotional distress more intensely, and may have difficulty regulating their emotions. Made up of the Emotional lability, Anxiousness, Separation insecurity facets.
2. Detachment: Detachment refers to a person’s emotional and social withdrawal tendencies. Individuals high in this domain may have difficulty connecting with others, prefer solitude, and may appear emotionally distant or aloof in social interactions. Made up of the Withdrawal, Anhedonia, Intimacy avoidance facets.
3. Antagonism: This domain captures traits related to interpersonal hostility, manipulation, and callousness. Individuals scoring high in antagonism may be argumentative, uncooperative, and show a lack of empathy or concern for others. Made up of the Manipulativeness, Deceitfulness, Grandiosity facets.
4. Disinhibition: Disinhibition involves impulsivity and lack of self-control. Individuals high in disinhibition may engage in reckless behaviours, have difficulty resisting temptations, and may struggle with impulse control. Made up of the Irresponsibility, Impulsivity, Distractibility facets.
5. Psychoticism: The psychoticism domain encompasses unusual or eccentric patterns of thinking and perceiving reality. High scores in this domain may indicate a potential vulnerability to more severe psychiatric symptoms. Made up of the Unusual beliefs and experiences, Eccentricity, Perceptual dysregulation

The PID-5-SF can also be used to determine Alternative Model of Personalities (AMPD) composite scores, which align with more traditional diagnostic labels, and is consistent with the dimensional trait model proposed in Section III of the DSM-5 and consistent with the DSM-5-TR:

• Schizotypal: (Facets: Perceptual Dysregulation, Unusual Beliefs And Experiences, Eccentricity, Restricted Affectivity, Withdrawal, and Suspiciousness.)
• Antisocial: (Manipulativeness, Callousness, Deceitfulness, Hostility, Risk Taking, Impulsivity, and Irresponsibility facets)
• Antisocial with Psychopathy: (Manipulativeness, Callousness, Deceitfulness, Hostility, Risk Taking, Impulsivity, Irresponsibility, Attention Seeking, Anxiousness (inversed), and Withdrawal (inversed))
• Borderline: (Emotional Lability, Anxiousness, Separation Insecurity, Depressivity, Impulsivity, Risk Taking, and Hostility)
• Narcissistic: (Attention Seeking and Grandiosity)
• Avoidant: (Anxiousness, Withdrawal, Anhedonia, and Intimacy Avoidance)
• Obsessive-Compulsive: (Rigid Perfectionism, Perseveration, Intimacy Avoidance, and Restricted Affectivity)

The 25 facets capture specific dimensions of personality functioning, providing a detailed understanding of an individual’s personality traits and potential areas of concern.:

1. Anhedonia (items 9, 11, 43, 65): Lack of interest or pleasure in activities, diminished capacity to experience joy.
2. Anxiousness (items 24, 36, 48, 78): Frequent feelings of tension, worry, and apprehension.
3. Attention Seeking (items 23, 77, 87, 97): Actively seeking attention and validation from others, often at the expense of others’ needs.
4. Callousness (items 7, 62, 72, 82): Lack of empathy or concern for others’ feelings, showing indifference to their suffering.
5. Deceitfulness (items 18, 51, 95, 99): Dishonesty, tendency to deceive or manipulate others for personal gain.
6. Depressivity (items 26, 60, 70, 74): Frequent feelings of sadness, hopelessness, and low mood.
7. Distractibility (items 39, 49, 55, 91): Difficulty in maintaining focus and easily getting distracted by external stimuli.
8. Eccentricity (items 10, 22, 61, 94): Unconventional and idiosyncratic behaviours or beliefs.
9. Emotional Lability (items 41, 53, 71, 81): Rapid shifts in emotions, with intense mood swings.
10. Grandiosity (items 14, 37, 85, 90): Exaggerated sense of self-importance, arrogance, and a belief in one’s superiority.
11. Hostility (items 12, 31, 66, 75): Frequent feelings of anger, resentment, and a tendency to be hostile towards others.
12. Impulsivity (items 2, 5, 6, 8): Acting on urges and desires without considering potential consequences.
13. Intimacy Avoidance (items 29, 40, 56, 93): Avoiding or feeling uncomfortable in close relationships, maintaining emotional distance.
14. Irresponsibility (items 47, 64, 68, 76): Lack of reliability and failure to fulfil obligations and commitments.
15. Manipulativeness (items 35, 44, 69, 100): Using others for personal gain, manipulating or exploiting their emotions.
16. Perceptual Dysregulation (items 15, 63, 88, 98): Distorted perception of reality, experiencing unusual sensory experiences or hallucinations.
17. Perseveration (items 19, 25, 32, 46): Repeating thoughts, behaviours, or actions excessively and having difficulty changing focus.
18. Restricted Affectivity (items 28, 30, 73, 83): Limited range of emotional expression, appearing emotionally distant or cold.
19. Rigid Perfectionism (items 33, 42, 80, 89): Setting high standards for oneself and others, with a tendency towards inflexibility.
20. Risk Taking (items 13, 16, 21, 67): Seeking out or engaging in potentially dangerous or risky activities.
21. Separation Insecurity (items 17, 45, 58, 79): Fear of abandonment or rejection, often leading to clingy behaviours in relationships.
22. Submissiveness (items 3, 4, 20, 92): Tendency to submit to others’ demands or authority, often at the expense of one’s own needs.
23. Suspiciousness (items 1, 38, 50, 86): Mistrust and suspicion of others’ intentions, feeling easily threatened.
24. Unusual Beliefs and Experiences (items 34, 54, 59, 96): Holding beliefs or experiences that are unconventional or at odds with societal norms.
25. Withdrawal (items 27, 52, 57, 84): Avoiding social interactions, preferring to be alone or isolated from others.

Normative percentiles, which compare the respondent’s score to those of a adult normative sample are presenting (Miller et al’s (2022) analysis of Krueger et al’s (2012) data). These percentiles allow the clinician to contextualise where their client’s scores sit in comparison to a normative group. For example, a percentile of 50 is indicative of an average level of that trait or personality domain when compared to the normative group. In contrast, a percentile of 90 indicates scores above 90% of the adult population, and is therefore likely to be of clinical significance.  Plots are shown for the personality domain and AMPD percentiles, with a dotted line at 50 which indicates an average level in comparison to the normative group.

The PID-5-SF has been subject to extensive psychometric evaluation to assess its reliability and validity. Factor analysis suports the five-factor structure of the PID-5-SF, which corresponds to the five domains: Negative Affectivity, Detachment, Antagonism, Disinhibition, and Psychoticism (Maples et al., 2015). The PID-5-SF showed adequate internal consistency with alpha coefficients ranging from .89 to .91 (trait domains) and .74 to .88 (trait facets) with means of .90 and .83, respectively (Maples et al., 2015).

The validity of the PID-5-SF has been supported by several lines of evidence, with the PID-5-SF domains and facets aligning well with the proposed DSM-5 model of personality traits (Maples et al., 2015). Convergent validity has been demonstrated by examining the relationships between PID-5-SF scores and the NEO-PI-R and the International Personality Item Pool (Krueger et al., 2012). Additionally, the PID-5’s AMPD have demonstrated discriminant validity by differentiating between individuals with and without personality disorders and various psychopathological conditions (Bach et al., 2015).

The factor structure of the PID-5-SF was highly similar to the original PID-5 (congruency coefficients from .93 to .99; Maples et al., 2015). The convergent correlations ranged for the domains from .96 to .98 (mean .97) and from .89 to 1.0 (mean .94) for the facets. The similarity of the discriminant validity of the PID-5 and the PID-5-SF (the pattern of the correlations of a given domain with the four other domains) was .98. These findings suggest that the domains, facets, and DSM-5 AMPD traits can be reliably and validly measured with the PID-5-SF and provide similar results to the PID-5 (Thimm et al., 2016).

Normative data were obtained for the PID-5 by Miller et al. (2022). As average scores are used for these norms, the means and standard deviations are transferred for use within each Personality Domain, Facet, and AMPD in the PID-5-SF to calculate percentiles. The normative sample was derived from Krueger et al’s (2012) representative sample of 1,392 adults in the United States (44.2% male; 55.8% female).

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