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Research Article

Lack of voluntary interest and difficulty making eye contact are the most discriminative behaviors of the ASQ:SE and might suggest delays: Results from a large-scale assessment

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Published online: 11 Jan 2023
 

Abstract

Background

Every child is unique, but development tends to occur in predictable steps and stages. The early identification of infants who face developmental delays is critical, boosting the use of screening tools to determine risks for delays. The city of Rio de Janeiro conducted a large-scale assessment of children who were enrolled in educational facilities using the Ages & Stages Questionnaires: Social-Emotional (ASQ:SE).

Objectives

We examined the internal structure of the ASQ:SE and its most discriminative items of risks of delays in development among 12- to 60-month-old children. The trajectory of the discrimination parameter of eight anchor items was used to check how well they inform the risk of social-emotional competence delays throughout development.

Methods

Data from 79,332 children (1–5 years) were analyzed via Samejima Graded Response model of Item Response Theory (IRT). The discrimination (a) and threshold (b) parameters were computed, and errors were achieved via maximum likelihood. Data/codes are available at https://osf.io/by6sf/.

Results

(a) Item Response Theory analyses supported the unidimensionality of data via the root mean square error of approximation and standardized root mean square residual results (RMSEA). (b) The lack of voluntary interest was the most discriminative risk behavior in the first 5 years. (c) Lack of interest was the most persistent risk behavior. (d) Difficulty making eye contact was nearly as informative as lack of interest.

Conclusion

Lack of voluntary interest in things should be considered a critical risk-related behavior, and making eye contact is a vital aspect of typical development. Both behaviors may be predictors of children’s delays.

    MAIN OUTCOMES

  • The ASQ:SE is a valid and reliable tool to measure child development.

  • The internal structure of the ASQ:SE is well-fitted with a unidimensional solution.

  • A child’s age is a vital aspect of the discrimination parameter of the IRT model.

  • Lack of interest in things and difficulty making eye contact are critical risk-related behaviors.

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