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Open research questions in Personality Traits and Psychology

741 unresolved questions extracted from the limitations and future-work sections of 5,411 Personality Traits and Psychology papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • The scale did not fulfill strict criteria for unidimensionality, - The 3-item version lacks reliability, - The item range is very narrow (β= 0.19 -0.33)

    Adapting the eysenck personality questionnaire-revised neuroticism scale for use in epidemiologic studies: a psychometric evaluation using item response theory in the UK Biobank · 2026 · DOI

  • The 12-item Eysenck Personality Questionnaire-Revised Neuroticism scale has poor discrimination at extremes. High and low neuroticism scores derived from the scale are a function of cumulative mid-range values.

    Adapting the eysenck personality questionnaire-revised neuroticism scale for use in epidemiologic studies: a psychometric evaluation using item response theory in the UK Biobank · 2026 · DOI

  • relatively low number of participants, - limited to users located in the US, - restricted to Reddit activity

    Dark personality traits and online toxicity: Linking self-reports to Reddit activity · 2026 · DOI

  • further investigation into the relationship between dark traits and online behavior, - development of more effective strategies to mitigate the impact of online toxicity

    Dark personality traits and online toxicity: Linking self-reports to Reddit activity · 2026 · DOI

  • Understanding the interplay between motivation and personality is a complex task. Integrating motivation and personality in educational psychology poses a significant challenge. The paper identifies the need for a collaborative research agenda across disciplinary borders.

    Motivation and Personality: Current Integrative Perspectives and the Way Ahead · 2026 · DOI

  • Investigating the dynamic interplay between state-level motivational and personality processes, - Examining the effects of personality change interventions on school-or subject-specific motivations, - Studying the interplay between motivation and personality in the context of digitalization of education

    Motivation and Personality: Current Integrative Perspectives and the Way Ahead · 2026 · DOI

  • The paper identifies a gap in the existing research on the relationships between the Big Five personality traits and online learning outcomes. The heterogeneity observed across studies examining personality-outcome associations in online learning may also arise from systematic differences in how learning outcomes are operationalized and measured.

    Associations Between Big Five Personality Traits and Cognitive, Affective, and Behavioral Outcomes in Online Learning: A Three-Level Meta-Analysis · 2026 · DOI

  • Further research on the application of the Eysenck model to honesty prediction, - Investigation of other personality traits and demographic data, - Development of more targeted interventions for safer aviation operations

    Predicting honest behavior based on Eysenck personality traits and gender: an explainable machine learning study using SHAP analysis · 2025 · DOI

  • empirical applications of the Eysenck framework to honesty prediction remain scarce - particularly in aviation, where dishonest acts carry severe public safety consequences

    Predicting honest behavior based on Eysenck personality traits and gender: an explainable machine learning study using SHAP analysis · 2025 · DOI

  • exploring several potentially beneficial approaches to detect and prevent jingle and jangle fallacies, - developing detectors that consider all levels and phases of psychological science

    Detecting jingle and jangle fallacies by identifying consistencies and variabilities in study specifications – a call for research · 2024 · DOI

  • The lack of effective strategies to prevent jingle and jangle fallacies. The need for detectors that can identify potential jingle and jangle fallacies. The limitation of current practices, such as meta-analyses and systematic reviews, in detecting jingle and jangle fallacies.

    Detecting jingle and jangle fallacies by identifying consistencies and variabilities in study specifications – a call for research · 2024 · DOI

  • investigating the genetic basis of sensitivity, - exploring the relationships between SPS and other personality constructs, - examining the impact of environmental stimuli on highly sensitive individuals

    High sensitivity groups with distinct personality patterns: a person-centered perspective · 2024 · DOI

  • The lack of a person-centered approach to address the heterogeneity among highly sensitive individuals. The inability of the HSPS total score to differentiate between subfactors. The need for a more comprehensive understanding of highly sensitive individuals.

    High sensitivity groups with distinct personality patterns: a person-centered perspective · 2024 · DOI

  • Investigating personality traits' impact on QoL can inform tailored interventions benefiting diverse Chinese subpopulations, - No specific future research directions are mentioned

    Mapping the terrain: a scoping review of empirical studies on the big five personality traits and QoL in China · 2024 · DOI

  • A comprehensive exploration of how personality traits as a whole affect general QoL is notably lacking. Existing literature often concentrates on specific dimensions of QoL or particular demographic groups, rather than the overarching influence of personality traits on QoL.

    Mapping the terrain: a scoping review of empirical studies on the big five personality traits and QoL in China · 2024 · DOI

  • However, the current AMPD Criterion B trait profile of narcissistic personality disorder (NPD) is restrictive in that it captures only grandiose expressions of narcissism and does not account for broader features of antagonism and vulnerability.

    Investigating Trait Profiles of Narcissism Using the Personality Inventory for DSM-5 (PID-5) · 2026 · DOI

  • National narcissism—an emotionally invested belief in a nation’s unrecognized greatness—has been linked to negative emotionality, such as stress and depressive symptoms, yet the directionality of this relationship remains unclear.

    The (not so) vicious cycle of national narcissism: emotional antecedents and outcomes · 2026 · DOI

  • Narcissism implies maintaining self-worth through social feedback, yet little is known about how individuals high-vs-low in narcissism experience day-to-day consequences of self-presentation.

    Day by day on display: A daily diary study of narcissists’ social media self-presentation, perceptions of social outcomes, and subjective well-being · 2026 · DOI

  • Whether individual differences in Social Desirability (SD) reflect a substantive personality aspect or a stylistic response bias remains debated.

    Substantive individual differences in social desirability: Stability, change, and associations with personality traits and job satisfaction in a large-scale longitudinal survey · 2026 · DOI

  • However, existing literature remains unclear about the direction of the relationship between perceived stress and self‐esteem, which leads to a lack of empirical basis for targeted interventions.

    Longitudinal Relationship Between Self‐Esteem and Perceived Stress: Evidence From Chinese College Students · 2026 · DOI

  • This research provides practical data for further studies of LLM personality prediction in adolescents and proposes certain directions for further investigation.

    Analysis of Prediction Accuracy of Different Chatbots for Big Five Personality Traits in High School Students · 2026 · DOI

  • Future research should investigate whether faking behavior differs across contexts not only under faking-good instructions but also in high-stakes situations (e.

    People “fake-good” on personality self-reports more strongly in a job context than in a dating context · 2025 · DOI

  • BACKGROUND: In spite of the interest generated by controlling variance unrelated to the content in personality measures, few studies have assessed the combined impact of acquiescence (ACQ) and correlated residuals in the factor-analytic structural solutions that serve as a basis for item calibration.

    The Impact and Consequences of Correcting for Acquiescence When Correlated Residuals are Present · 2025 · DOI

  • While stress in nursing education has been well studied, its relationship with personality preferences, particularly in clinical settings, has been underexplored.

    Personality preferences and stress perception among nursing students in different nursing programmes: a cross-sectional study · 2025 · DOI

  • However, the underlying mechanisms mediating this relationship remain insufficiently understood.

    The influence of personality traits on college students’ exercise behavior: a chain mediation model of exercise self-efficacy and exercise motivation · 2025 · DOI

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741 open questions have been extracted from the limitations and future-work passages of 5,411 Personality Traits and Psychology papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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