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Measuring Unipolar Traits With Continuous Response Items: Some Methodological and Substantive Developments

  • Identification data

    Identifier: imarina:9324078
    Authors:
    Ferrando, Pere J JMorales-Vives, FabiaHernandez-Dorado, Ana
    Abstract:
    In recent years, some models for binary and graded format responses have been proposed to assess unipolar variables or “quasi-traits.” These studies have mainly focused on clinical variables that have traditionally been treated as bipolar traits. In the present study, we have made a proposal for unipolar traits measured with continuous response items. The proposed log-logistic continuous unipolar model (LL-C) is remarkably simple and is more similar to the original binary formulation than the graded extensions, which is an advantage. Furthermore, considering that irrational, extreme, or polarizing beliefs could be another domain of unipolar variables, we have applied this proposal to an empirical example of superstitious beliefs. The results suggest that, in certain cases, the standard linear model can be a good approximation to the LL-C model in terms of parameter estimation and goodness of fit, but not trait estimates and their accuracy. The results also show the importance of considering the unipolar nature of this kind of trait when predicting criterion variables, since the validity results were clearly different.
  • Others:

    Author, as appears in the article.: Ferrando, Pere J J; Morales-Vives, Fabia; Hernandez-Dorado, Ana
    Department: Psicologia
    URV's Author/s: Ferrando Piera, Pere Joan / Hernández Dorado, Ana / Morales Vives, Fàbia
    Keywords: Unipolar traits Superstitious beliefs Psychometric properties Log-logistic unipolar model Criterion validity Continuous response format superstitious beliefs scale psychology parameter-estimation model log-logistic unipolar model item difficulty criterion validity continuous response format constructs ability
    Abstract: In recent years, some models for binary and graded format responses have been proposed to assess unipolar variables or “quasi-traits.” These studies have mainly focused on clinical variables that have traditionally been treated as bipolar traits. In the present study, we have made a proposal for unipolar traits measured with continuous response items. The proposed log-logistic continuous unipolar model (LL-C) is remarkably simple and is more similar to the original binary formulation than the graded extensions, which is an advantage. Furthermore, considering that irrational, extreme, or polarizing beliefs could be another domain of unipolar variables, we have applied this proposal to an empirical example of superstitious beliefs. The results suggest that, in certain cases, the standard linear model can be a good approximation to the LL-C model in terms of parameter estimation and goodness of fit, but not trait estimates and their accuracy. The results also show the importance of considering the unipolar nature of this kind of trait when predicting criterion variables, since the validity results were clearly different.
    Thematic Areas: Psychology, mathematical Psychology, educational Psychology (miscellaneous) Psychology Psicología Pedagogical & educational research Mathematics, miscellaneous Mathematics, interdisciplinary applications Matemática / probabilidade e estatística Interdisciplinar Education Educació Economia Developmental and educational psychology Ciencias sociales Applied psychology Applied mathematics
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    Author's mail: ana.hernandez@urv.cat perejoan.ferrando@urv.cat fabia.morales@urv.cat
    Author identifier: 0000-0002-3133-5466 0000-0002-2095-0244
    Record's date: 2024-10-12
    Papper version: info:eu-repo/semantics/acceptedVersion
    Link to the original source: https://journals.sagepub.com/doi/abs/10.1177/00131644231181889
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Papper original source: Educational And Psychological Measurement. 84 (3): 425-449
    APA: Ferrando, Pere J J; Morales-Vives, Fabia; Hernandez-Dorado, Ana (2024). Measuring Unipolar Traits With Continuous Response Items: Some Methodological and Substantive Developments. Educational And Psychological Measurement, 84(3), 425-449. DOI: 10.1177/00131644231181889
    Article's DOI: 10.1177/00131644231181889
    Entity: Universitat Rovira i Virgili
    Journal publication year: 2024
    Publication Type: Journal Publications
  • Keywords:

    Applied Mathematics,Applied Psychology,Developmental and Educational Psychology,Education,Mathematics, Interdisciplinary Applications,Mathematics, Miscellaneous,Psychology (Miscellaneous),Psychology, Educational,Psychology, Mathematical
    Unipolar traits
    Superstitious beliefs
    Psychometric properties
    Log-logistic unipolar model
    Criterion validity
    Continuous response format
    superstitious beliefs
    scale
    psychology
    parameter-estimation
    model
    log-logistic unipolar model
    item
    difficulty
    criterion validity
    continuous response format
    constructs
    ability
    Psychology, mathematical
    Psychology, educational
    Psychology (miscellaneous)
    Psychology
    Psicología
    Pedagogical & educational research
    Mathematics, miscellaneous
    Mathematics, interdisciplinary applications
    Matemática / probabilidade e estatística
    Interdisciplinar
    Education
    Educació
    Economia
    Developmental and educational psychology
    Ciencias sociales
    Applied psychology
    Applied mathematics
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