Current Psychology

, Volume 38, Issue 1, pp 116–120 | Cite as

Rasch Analysis of the Q-CHAT in Colombian Toddlers with Autism Spectrum Disorder

  • Karol Gutiérrez-RuizEmail author
  • Ana R. Delgado
  • Gerardo Prieto


The objective of this study was the validation of the Colombian version of The Quantitative Checklist for Autism in Toddlers (Q-CHAT) by means of the Rasch Rating Scale Model. The Q-CHAT was applied to parents of 100 typically developing toddlers and 40 toddlers and preschoolers with Autism Spectrum Disorder (ASD). The Q-CHAT scores showed some limitations. The questionnaire did not meet the condition of unidimensionality. Two dimensions were detected. The first dimension, with 13 items and 4 response categories (13i-4c), showed good psychometric properties: the items fit the Rasch Rating Scale model, the reliability of persons and items was appropriate, and scores adequately discriminate between children with and without ASD. The second dimension is a measure of traits that are usually associated with ASD, but that have shown validity problems. Thus, it is proposed that dimension 1 of the Q-CHAT (13i-4c) be used as the screening tool for ASD in Colombia.


Autism spectrum disorder Q-CHAT Rasch rating scale model Screening 


Compliance with Ethical Standards

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

Informed consent was obtained from all individual participants included in the study.

Conflict of Interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.


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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  • Karol Gutiérrez-Ruiz
    • 1
    Email author
  • Ana R. Delgado
    • 2
  • Gerardo Prieto
    • 2
  1. 1.Programa de Psicología, Parque industrial y tecnológico Carlos Vélez PomboUniversidad Tecnológica de BolívarCartagenaColombia
  2. 2.Facultad de PsicologíaUniversidad de SalamancaSalamancaSpain

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