Leonard J. Simms
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View article: Do societal concepts and experiences of psychopathology align? Comparing large language models and self-reports
Do societal concepts and experiences of psychopathology align? Comparing large language models and self-reports Open
Society has constructs to understand psychopathology, which do not necessarily correspond to people’s experience of these problems. This study examined alignment between societal and psychological constructs by comparing concepts encoded i…
View article: Daily manifestations of psychopathology in response to stress.
Daily manifestations of psychopathology in response to stress. Open
Psychological functioning is shaped by how people navigate their environment. Accordingly, psychopathology is often caused and maintained by patterns of responding to the environment that do not meet situational demands. In particular, psy…
View article: Enhancing Psychosis-Spectrum Nosology Through an International Data Sharing Initiative
Enhancing Psychosis-Spectrum Nosology Through an International Data Sharing Initiative Open
The latent structure of schizotypy and psychosis-spectrum symptoms remains poorly understood. Furthermore, molecular genetic substrates are poorly defined, largely due to the substantial resources required to collect rich phenotypic data a…
View article: Diagnostic and Statistical Manual of Mental Disorders, fifth edition, personality disorders and the alternative model: Prediction of naturalistically observed behavior, interpersonal functioning, and psychiatric symptoms, 1 year later.
Diagnostic and Statistical Manual of Mental Disorders, fifth edition, personality disorders and the alternative model: Prediction of naturalistically observed behavior, interpersonal functioning, and psychiatric symptoms, 1 year later. Open
Traditional personality disorders (PDs; e.g., Diagnostic and Statistical Manual of Mental Disorders, fifth edition [DSM-5] Section II PDs), as well as dimensional traits (e.g., alternative model for PD [AMPD]), offer unique advantag…
View article: Facilitating the Implementation of the Hierarchical Taxonomy of Psychopathology (HiTOP) in Clinical Practice
Facilitating the Implementation of the Hierarchical Taxonomy of Psychopathology (HiTOP) in Clinical Practice Open
The Hierarchical Taxonomy of Psychopathology (HiTOP) is a nosology that aims to improve upon traditional diagnostic systems by conceptualizing psychopathology dimensionally and hierarchically. A major unanswered question about HiTOP is whe…
View article: Facilitating the Implementation of the Hierarchical Taxonomy of Psychopathology (HiTOP) in Clinical Practice
Facilitating the Implementation of the Hierarchical Taxonomy of Psychopathology (HiTOP) in Clinical Practice Open
The Hierarchical Taxonomy of Psychopathology (HiTOP) is a nosology that aims to improve upon traditional diagnostic systems by conceptualizing psychopathology dimensionally and hierarchically. A major unanswered question about HiTOP is whe…
View article: Hierarchische Taxonomie der Psychopathologie (HiTOP): Ein neues Modell zur Beschreibung psychischer Probleme
Hierarchische Taxonomie der Psychopathologie (HiTOP): Ein neues Modell zur Beschreibung psychischer Probleme Open
Aktuelle Klassifikationssysteme für psychische Störungen wie das DSM-5 und ICD-11 stehen zunehmend in der Kritik, die Komplexität psychischer Probleme nicht adäquat abzubilden. Ungünstig sind insbesondere die implizite Orientierung am medi…
View article: State of the Science: The Hierarchical Taxonomy of Psychopathology (HiTOP)
State of the Science: The Hierarchical Taxonomy of Psychopathology (HiTOP) Open
The Hierarchical Taxonomy of Psychopathology (HiTOP) is a dimensional framework for psychopathology advanced by a consortium of nosologists. In the HiTOP system, psychopathology is grouped hierarchically from super-spectra, spectra, and su…
View article: State of the Science: The Hierarchical Taxonomy of Psychopathology (HiTOP)
State of the Science: The Hierarchical Taxonomy of Psychopathology (HiTOP) Open
The Hierarchical Taxonomy of Psychopathology (HiTOP) is a dimensional framework for psychopathology advanced by a consortium of nosologists. In the HiTOP system, psychopathology is grouped hierarchically from super-spectra, spectra, and su…
View article: Daily Manifestations of Psychopathology in Response to Stress
Daily Manifestations of Psychopathology in Response to Stress Open
Psychological functioning is shaped by how people navigate their environment. Accordingly, psychopathology is often caused and maintained by patterns of responding to the environment that do not meet situational demands. In particular, psy…
View article: Age and gender differences in narcissism: A comprehensive study across eight measures and over 250,000 participants.
Age and gender differences in narcissism: A comprehensive study across eight measures and over 250,000 participants. Open
Age and gender differences in narcissism have been studied often. However, considering the rich history of narcissism research accompanied by its diverging conceptualizations, little is known about age and gender differences across various…
View article: Engaging people with lived experience of psychological disorders: Current research and future directions for community-engaged measure development in psychological science
Engaging people with lived experience of psychological disorders: Current research and future directions for community-engaged measure development in psychological science Open
The ability to make valid conclusions in psychological science rests upon rigorous measure development. People with lived experience of psychological disorders can make invaluable contributions to the measure development process, but they …
View article: Age and Gender Differences in Narcissism: A Comprehensive Study Across Eight Measures and Over 250,000 Participants
Age and Gender Differences in Narcissism: A Comprehensive Study Across Eight Measures and Over 250,000 Participants Open
Age and gender differences in narcissism have been studied often. However, considering the rich history of narcissism research accompanied by its diverging conceptualizations, little is known about age and gender differences across various…
View article: Structure of Pathological Personality Traits Through the Lens of the CAT-PD Model
Structure of Pathological Personality Traits Through the Lens of the CAT-PD Model Open
Personality pathology is increasingly conceptualized within hierarchical, dimensional trait models. The Comprehensive Assessment of Traits Relevant to Personality Disorders (CAT-PD) is a pathological-trait measure with potential to improve…
View article: Normative data for PID-5 domains, facets, and personality disorder composites from a representative sample and comparison to community and clinical samples.
Normative data for PID-5 domains, facets, and personality disorder composites from a representative sample and comparison to community and clinical samples. Open
The introduction of the alternative model of personality disorders in the fifth edition of the Diagnostic and Statistical Model of Mental Disorders (American Psychiatric Association, 2013) represented a substantive change in how per…
View article: Role of pregaming motives in accounting for links between maladaptive personality traits and drinking consequences.
Role of pregaming motives in accounting for links between maladaptive personality traits and drinking consequences. Open
College students are at heightened risk of engaging in unhealthy alcohol use that leads to negative consequences (e.g., motor vehicle accidents, poor academic performance). Understanding how individual differences, such as maladaptive pers…
View article: Normative data for PID-5 domains, facets, and personality disorder composites from a representative sample and comparison to community and clinical samples
Normative data for PID-5 domains, facets, and personality disorder composites from a representative sample and comparison to community and clinical samples Open
The introduction of the Alternative Model of Personality Disorders (AMPD) in the fifth edition of the Diagnostic and Statistical Model of Mental Disorders (DSM-5, APA, 2013) represented a substantive change in how personality disorders (PD…
View article: Answering questions about the Hierarchical Taxonomy of Psychopathology (HiTOP): Analogies to whales and sharks miss the boat
Answering questions about the Hierarchical Taxonomy of Psychopathology (HiTOP): Analogies to whales and sharks miss the boat Open
This commentary discusses questions and misconceptions about HiTOP raised by Haeffel et al. (2021). We explain what the system classifies and why it is descriptive and atheoretical, highlighting benefits and limitations of this approach. W…
View article: Answering questions about the Hierarchical Taxonomy of Psychopathology (HiTOP): Analogies to whales and sharks miss the boat
Answering questions about the Hierarchical Taxonomy of Psychopathology (HiTOP): Analogies to whales and sharks miss the boat Open
This commentary discusses questions and misconceptions about HiTOP raised by Haeffel et al. (2021). We explain what the system classifies and why it is descriptive and atheoretical, highlighting benefits and limitations of this approach. W…
View article: Answering Questions About the Hierarchical Taxonomy of Psychopathology (HiTOP): Analogies to Whales and Sharks Miss the Boat
Answering Questions About the Hierarchical Taxonomy of Psychopathology (HiTOP): Analogies to Whales and Sharks Miss the Boat Open
In this commentary, we discuss questions and misconceptions about the Hierarchical Taxonomy of Psychopathology (HiTOP) raised by Haeffel et al. We explain what the system classifies and why it is descriptive and atheoretical, and we highli…
View article: Construct validation of narrative coherence: Exploring links with personality functioning and psychopathology.
Construct validation of narrative coherence: Exploring links with personality functioning and psychopathology. Open
Narrative coherence serves as an index of the unity in an individual's sense of self-integrating their past self with their present self and allowing them to pursue meaningful goals for their future. It has been assessed using the Life Sto…
View article: The Hierarchical Taxonomy of Psychopathology (HiTOP): A Quantitative Nosology Based on Consensus of Evidence
The Hierarchical Taxonomy of Psychopathology (HiTOP): A Quantitative Nosology Based on Consensus of Evidence Open
Traditional diagnostic systems went beyond empirical evidence on the structure of mental health. Consequently, these diagnoses do not depict psychopathology accurately, and their validity in research and utility in clinicalpractice are the…
View article: Les progrès dans la réalisation de la classification quantitative de la psychopathologie
Les progrès dans la réalisation de la classification quantitative de la psychopathologie Open
View article: Examining the Dynamic Structure of Daily Internalizing and Externalizing Behavior at Multiple Levels of Analysis
Examining the Dynamic Structure of Daily Internalizing and Externalizing Behavior at Multiple Levels of Analysis Open
Psychiatric diagnostic covariation suggests that the underlying structure of psychopathology is not one of circumscribed disorders. Quantitative modeling of individual differences in diagnostic patterns has uncovered several broad domains …
View article: Introduction to the special issue on methodological and statistical advancements in clinical assessment.
Introduction to the special issue on methodological and statistical advancements in clinical assessment. Open
This article introduces the rationale for developing a special issue on methodological and statistical advancements in clinical assessment, which will appear approximately 25 years after a similar 1995 issue that produced many seminal and …
View article: Integrating the Hierarchical Taxonomy of Psychopathology (HiTOP) into clinical practice.
Integrating the Hierarchical Taxonomy of Psychopathology (HiTOP) into clinical practice. Open
HiTOP represents a viable alternative to classifying mental illness that can be integrated into practice today, although research is needed to further establish its utility. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
View article: Personalized models of personality disorders: Using a temporal network method to understand symptomatology and daily functioning in a clinical sample
Personalized models of personality disorders: Using a temporal network method to understand symptomatology and daily functioning in a clinical sample Open
Background: An ongoing challenge in understanding and treating personality disorders (PDs) issignificant heterogeneity in disorder expression, stemming from variability in underlying dynamic processes. These processes are commonly discusse…
View article: Impulsivity, Affect, and Stress in Daily Life: Examining a Cascade Model of Urgency
Impulsivity, Affect, and Stress in Daily Life: Examining a Cascade Model of Urgency Open
Using multilevel structural equation modeling, we examined within- and between-person predictors of daily impulsivity, with a particular focus on testing a cascade model of affect and daily stress in a 100-day daily diary study of 101 psyc…
View article: Pathological narcissism and psychosocial functioning.
Pathological narcissism and psychosocial functioning. Open
Pathological narcissism involves maladaptive efforts to regulate the self and is conceptualized by 2 key features: narcissistic grandiosity and narcissistic vulnerability. Prior research has found that narcissism is associated with poorer …
View article: Doing justice to the richness of personality: Introduction to the special issue “New Approaches to the Measurement of Personality: Translational Thoughts to Applied, Educational, and Clinical Settings”.
Doing justice to the richness of personality: Introduction to the special issue “New Approaches to the Measurement of Personality: Translational Thoughts to Applied, Educational, and Clinical Settings”. Open
Personality and its assessment are growth areas in the psychological literature and are important in applied practice. In the decades since personality reemerged as a viable scientific construct following the person-situation debate, we ha…