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Construct validity of the Motor Development Scale (MDS)

Paola Matiko Martins Okuda1, Erika Félix1, Hugo Cogo-Moreira1,2

  • 1Departamento de Psiquiatria e Psicologia Médica, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.

Trends in Psychiatry and Psychotherapy
|April 23, 2020
PubMed

Insights

The Motor Development Scale (MDS) demonstrates construct validity for assessing motor development in Brazilian children aged 4 to 6 years. This unidimensional model offers a reliable and concise evaluation tool for this age group.

Area of Science:

  • Child Development
  • Motor Skills Assessment
  • Psychometrics

Background:

  • Construct validity for the Motor Development Scale (MDS) has not been previously established.
  • Assessing motor development in young children is crucial for early identification of potential issues.

Purpose of the Study:

  • To examine the appropriateness of a unidimensional model for the MDS in Brazilian children aged 4 to 6 years.
  • To provide construct validity evidence for the MDS items in this specific age cohort.

Main Methods:

  • A total of 938 children (214 4-year-olds, 643 5-year-olds, 81 6-year-olds) participated.
  • Confirmatory factor analysis (CFA) was employed to evaluate the unidimensional model's fit and construct validity.

Main Results:

  • The CFA indicated excellent model fit across all age groups (4, 5, and 6 years) with strong adequacy indices.
  • Reliability analysis showed good internal consistency (omega = 0.87).

Conclusions:

  • The unidimensional solution for the MDS is appropriate for assessing motor development in children aged 4 to 6 years.
  • The MDS provides a concise, parsimonious, and reliable measure for this population.
Abstract

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