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The Pathological Narcissism Inventory (PNI) is a 52-item self-report instrument developed to assess pathological narcissism (unhealthy narcissism). It measures seven dimensions of narcissistic functioning across two higher-order domains: Narcissistic Grandiosity and Narcissistic Vulnerability.

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The Obsessive-Compulsive Inventory-Revised (OCI-R. It provides a snapshot across six subtypes of OCD: washing, checking, ordering, obsessing, hoarding, and neutralizing.

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The SF CDS is one of the most respected psychometric tools used by researchers and therapists to measure codependent traits.

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The Generalized Anxiety Disorder-7 (GAD-7) was developed in 2006 by Spitzer, Kroenke, Williams, and Löwe. It is a brief, 7-item self-report screening tool used to identify anxiety symptoms and estimate their severity. The GAD-7 is widely used because it is short, practical, and well validated.

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The Patient Health Questionnaire-9 (PHQ-9) is a brief self-report screening tool to identify depressive symptoms and estimate their severity. The PHQ-9 is widely used in because it is short, practical, and well validated.

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The Autism-Spectrum Quotient (AQ) is a brief, 50-item self-administered instrument used to measure the degree to which an adult with normal intelligence has traits associated with the autistic spectrum.