Validation of the Interpersonal Reactivity Index (IRI) in a Uruguayan sample

Martín Bidegain; Marcela Carballo; C. D. Costa-Ball

doi:10.22235/cp.v19i1.4005

Validation of the Interpersonal Reactivity Index (IRI) in a Uruguayan sample

Martín Bidegain, Marcela Carballo, C. D. Costa-Ball

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Idioma original	Indefinido/desconocido
Publicación	Ciencias Psicologicas
Volumen	19
N.º	1
DOI	https://doi.org/10.22235/cp.v19i1.4005
Estado	Publicada - 3 abr. 2025

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@article{0f75e21946fc42db989458175ac889ef,

title = "Validation of the Interpersonal Reactivity Index (IRI) in a Uruguayan sample",

abstract = "Background: The Interpersonal Reactivity Index (IRI), introduced by Davis in 1980, remains a widely used self-report tool designed to assess empathy from a multidimensional perspective, with adaptations for various languages and populations. However, many studies examining its psychometric properties have failed to replicate the original four-factor structure. Method: This instrumental study applied Classical Test Theory to adapt the IRI for use in Uruguay, with a sample of 858 adult participants (640 females, 218 males). Results: The original 28-item scale did not show a good fit with the four-factor model. Removing the reversed items led to an acceptable fit for both the original and a three-factor model. Conclusion: These findings suggest that a shortened version of the scale, excluding the reversed items, would be more suitable for this population. Further research on the impact of reversed items is recommended. The study highlights the importance of ongoing investigation into the psychometric properties of the IRI, as well as the theoretical and practical implications of using a shortened version.",

author = "Mart{\'i}n Bidegain and Marcela Carballo and Costa-Ball, {C. D.}",

year = "2025",

month = apr,

day = "3",

doi = "10.22235/cp.v19i1.4005",

language = "Indefinido/desconocido",

volume = "19",

journal = "Ciencias Psicologicas",

issn = "1688-4094",

publisher = "Departamentos de Psicologia de la Universidad Catolica del Uruguay",

number = "1",

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TY - JOUR

T1 - Validation of the Interpersonal Reactivity Index (IRI) in a Uruguayan sample

AU - Bidegain, Martín

AU - Carballo, Marcela

AU - Costa-Ball, C. D.

PY - 2025/4/3

Y1 - 2025/4/3

N2 - Background: The Interpersonal Reactivity Index (IRI), introduced by Davis in 1980, remains a widely used self-report tool designed to assess empathy from a multidimensional perspective, with adaptations for various languages and populations. However, many studies examining its psychometric properties have failed to replicate the original four-factor structure. Method: This instrumental study applied Classical Test Theory to adapt the IRI for use in Uruguay, with a sample of 858 adult participants (640 females, 218 males). Results: The original 28-item scale did not show a good fit with the four-factor model. Removing the reversed items led to an acceptable fit for both the original and a three-factor model. Conclusion: These findings suggest that a shortened version of the scale, excluding the reversed items, would be more suitable for this population. Further research on the impact of reversed items is recommended. The study highlights the importance of ongoing investigation into the psychometric properties of the IRI, as well as the theoretical and practical implications of using a shortened version.

AB - Background: The Interpersonal Reactivity Index (IRI), introduced by Davis in 1980, remains a widely used self-report tool designed to assess empathy from a multidimensional perspective, with adaptations for various languages and populations. However, many studies examining its psychometric properties have failed to replicate the original four-factor structure. Method: This instrumental study applied Classical Test Theory to adapt the IRI for use in Uruguay, with a sample of 858 adult participants (640 females, 218 males). Results: The original 28-item scale did not show a good fit with the four-factor model. Removing the reversed items led to an acceptable fit for both the original and a three-factor model. Conclusion: These findings suggest that a shortened version of the scale, excluding the reversed items, would be more suitable for this population. Further research on the impact of reversed items is recommended. The study highlights the importance of ongoing investigation into the psychometric properties of the IRI, as well as the theoretical and practical implications of using a shortened version.

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U2 - 10.22235/cp.v19i1.4005

DO - 10.22235/cp.v19i1.4005

M3 - Artículo

SN - 1688-4094

VL - 19

JO - Ciencias Psicologicas

JF - Ciencias Psicologicas

IS - 1

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