Interactive Test · ISTDP & Psychodynamic Theory

Personality Type Test (Inspired by Nancy McWilliams)

A psychodynamic personality test based on Nancy McWilliams' framework of character structure — 25 questions, no sign-up, results in a few minutes.

Personality Types Test
A Psychodynamic Approach

This questionnaire is based on Nancy McWilliams' framework of structural diagnosis. It looks at specific patterns of defense mechanisms, unconscious conflicts, and relational styles that shape the individual architecture of your psyche.

Important: This test is not a professional psychological or psychiatric diagnosis. It's a tool for reflection — a way to get oriented to the dominant aspects of your personality style.
Sources: McWilliams, N. (2011). Psychoanalytic Diagnosis: Understanding Personality Structure in the Clinical Process (2nd ed.). Guilford Press. / McWilliams, N. (1999). Psychoanalytic Case Formulation. Guilford Press.
Question 1 of 25

Your Psychodynamic Profile
Dominant Personality Trait

🛡 Dominant Defense Mechanisms

🔗 Relational Patterns

⚡ Unconscious Conflict

Possible challenges in psychotherapy:

Second Dominant Trait

🔗 Relational Patterns

A person's personality is complex — it rarely fits neatly into one category. Two dominant traits work together and shape each other.

Want to understand your personality profile more deeply, and how it shapes your relationships? We offer an initial consultation, in person in Lisbon or online.

This test is part of our ISTDP-informed therapy in Lisbon. Curious about the deeper structural framework behind it? Read our related piece on personality organization levels according to Nancy McWilliams.

Book an online consultation

Personality Types in Psychodynamic Psychology

Nancy McWilliams' Psychoanalytic Diagnosis describes personality not as a fixed label but as a set of recurring defense mechanisms, relational patterns, and unconscious conflicts — what analysts call character structure. This test looks at nine such patterns.

Which Personality Types Does This Test Cover?

Depressiveself-directed criticism, fear of abandonment, self-worth tied to caring for others
Histrionicintense emotional expression, somatization, fear of losing autonomy
Obsessive-Compulsiveneed for control and order, perfectionism, intellectualization
Paranoidprojecting fears onto others, permanent vigilance, difficulty trusting
Schizoidwithdrawal into an inner world, deep sensitivity behind apparent distance
Narcissisticself-worth regulated by external admiration, swings between exceptionality and emptiness
Self-Defeatingunconsciously provoking setbacks, staying in hurtful relationships, suffering as control
Antisocialneed for control and agency, action instead of reflection
Dissociativesplitting awareness as a defense against pain, difficulty with continuity of identity
Depressive Trait

Organizes experience around themes of loss and fear of abandonment. Aggression and criticism are unconsciously directed toward the self, producing recurring low mood. Self-worth tends to depend heavily on caring for others, often at the expense of one's own needs.

Main defense mechanisms: Introjection (internalizing others' criticism), turning against the self, reaction formation (excessive kindness defending against one's own anger).

Histrionic Trait

Marked by high affective expressiveness, intense relationships, and a tendency toward somatization — converting psychological anxiety into bodily symptoms. A persistent conflict runs between wanting closeness and fearing the loss of autonomy.

Main defense mechanisms: Repression, somatization, sexualization (eroticizing relationships to secure attention).

Obsessive-Compulsive Trait

A strong need for structure and control shields against inner emotional chaos, alongside a strict inner superego that produces perfectionism, rigidity, and a paralyzing fear of mistakes.

Main defense mechanisms: Isolation of affect, intellectualization, reaction formation, undoing (symbolically “reversing” actions through ritual).

Paranoid Trait

Experience is organized around projection — unconscious, anxiety-provoking impulses attributed to others — producing permanent vigilance, mistrust, and a tendency to read neutral signals as attacks.

Main defense mechanisms: Projection, projective identification, denial of one's own vulnerability and dependency.

Schizoid Trait

Withdrawal into a rich inner world of thought and fantasy is the main defense against interpersonal conflict, alongside a deep fear of being emotionally flooded. Underneath an apparently cool exterior lies real sensitivity.

Main defense mechanisms: Withdrawal, intellectualization, idealizing the inner world while devaluing the external one.

Narcissistic Trait

Self-worth is regulated through external validation and admiration, swinging between a sense of exceptionality and deep emptiness or shame. The central fear is of having one's flaws exposed.

Main defense mechanisms: Idealization and devaluation, omnipotence, denial of personal limitations.

Self-Defeating Trait

Shares the depressive profile's guilt and fear of abandonment, managed by unconsciously provoking failure or staying in hurtful relationships. Suffering becomes a paradoxical source of moral worth.

Main defense mechanisms: Turning against the self, moralization (drawing self-worth from the victim position), acting-in (sabotaging one's own successes).

Antisocial Trait

Functioning is organized around agency, control, and a sense of omnipotence. Inner tension is discharged through immediate action rather than reflection, and others' boundaries tend to be treated instrumentally.

Main defense mechanisms: Acting out, omnipotent control, devaluation of others.

Dissociative Trait

The main defense against overwhelming pain is dissociation — a splitting of awareness that disconnects the person from present reality or the body in moments of crisis, at the cost of continuity of identity.

Main defense mechanisms: Dissociation, depersonalization, derealization, splitting of experience into isolated fragments.

How Is This Different From MBTI or the Big Five?

Popular tests like MBTI (Myers-Briggs) or the Big Five describe surface traits — introversion/extraversion, conscientiousness, openness. McWilliams' psychodynamic diagnosis goes deeper, into character structure itself: how you actually manage anxiety, inner conflict, and relationships with others. This approach is closer to clinical practice and gives a therapist more to work with.

Can Therapy Change Your Result?

Personality traits don't disappear entirely — but psychotherapy can meaningfully change how intensely they show up and how much they run your life. The goal of ISTDP and other psychodynamic approaches isn't to erase a defense, but to help you understand where it came from and build more flexibility around it — so it stops being the only option available to you.

How Does This Relate to Personality Organization Levels?

Character type (depressive, narcissistic, schizoid, and so on) and organization level (neurotic, borderline, psychotic) are two different, complementary parts of McWilliams' framework. Type describes what your personality is organized around; level describes how deep the structure runs — how stable your sense of self is, and how mature your defenses are. Two people can share the same character type and sit at very different organization levels. Read more in our companion piece: Personality Organization Levels According to Nancy McWilliams.