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Validation Evidence on the WHO Ageism Scale

Validation Evidence on the WHO Ageism Scale

This blog presents completed, ongoing, and planned research on the WHO Ageism Experiences Scale and the WHO Ageism Towards Others Scale.

Summary of psychometric measurement progress

The distinction between formative and reflective indicators has important implications for validation approaches. For details, please refer to the WHO Ageism Scale Manual and User Guide. For formative/causal indicators, psychometric measurement models such as factor analysis and item response theory, which assume an underlying latent trait are not appropriate. As a result, tests of internal […]

10 March 2025 0

Summary of Completed Validation Work

  Several validation studies of the WHO Ageism Scale have been conducted or are currently underway in different samples, with those already completed presented below. This manual will be updated as further validation results of the WHO Ageism Scale become available. Validation 1 Country (region): UK Language: English Scale (version): WHO Ageism Experiences Scale 15-item […]

10 March 2025 0

Welcome to the Global Ageism Scale Validation Repository!

Who We Are and What We Do We are an interdisciplinary consortium comprising scholars, practitioners, and stakeholders dedicated to advancing empirical research on ageism globally. Our initiative centres on the WHO Ageism Scale, which consists of two core instruments: the WHO Ageism Experiences Scale and the WHO Ageism Towards Others Scale. For comprehensive details, please […]

6 March 2025 0

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