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July 14, 2025General PsychiatryOpen Access

An effective short form of the 20-item University of California Los Angeles Loneliness Scale version 3: item response theory and network psychometrics

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Authors

JLJinyuan LiuUniversity of Southern CaliforniaMCMing ChenQingdao UniversityHWHao WuVanderbilt University

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Implication

Item response theory and network psychometrics trim the UCLA Loneliness Scale, improving utility for older adults.

Key Points

  • The revised scale effectively measures loneliness while maintaining psychometric properties of the original UCLA Loneliness Scale.
  • Using item response theory, the study shortened the 20-item scale, enhancing its efficiency for phone interviews.
  • Network psychometrics was employed to analyze and reduce items, resulting in a user-friendly scale.
  • The shorter scale is crucial for timely research participation, especially among older adults facing loneliness.

Cite This Study

Liu et al. (2025) studied this question.

synapsesocial.com/papers/689a02afe6551bb0af8cc029https://doi.org/10.1136/gpsych-2025-102055
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