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Validation of the Revised Knox Preschool Play Scale for the Brazilian Population

Amanda Mota Pacciulio Sposito1, Jair L F Santos2, Luzia Iara Pfeifer2

  • 1Ribeirão Preto College of Nursing, University of São Paulo, Ribeirão Preto, Brazil.

Occupational Therapy International
|June 14, 2019
PubMed

Insights

The Revised Knox Preschool Play Scale (RKPPS) shows mixed reliability and internal consistency in Brazilian children. Further expert analysis is needed to ensure its reproducibility for assessing child development.

Area of Science:

  • Child Development
  • Psychometrics
  • Educational Psychology

Background:

  • Play is crucial for child development and assessing play behavior indicates developmental stages.
  • The Revised Knox Preschool Play Scale (RKPPS) describes typical play in preschool children up to age six.
  • Cultural adaptation of the RKPPS for Brazil necessitates an evaluation of its applicability.

Purpose of the Study:

  • To assess the reliability and internal consistency of the Brazilian version of the RKPPS.
  • To validate the RKPPS for use with the Brazilian preschool population.

Main Methods:

  • 135 children across different age groups were filmed during free play.
  • Two independent raters assessed the play footage at two separate times.
  • Statistical analysis was performed to determine reliability and internal consistency.

Main Results:

  • Intra- and interrater reliability demonstrated mostly moderate to near-perfect agreement.
  • Some RKPPS dimensions showed reasonable to poor agreement in specific age groups.
  • Internal consistency was satisfactory overall, but some items had poor results in certain dimensions.

Conclusions:

  • The RKPPS shows potential for use with Brazilian children, but with noted inconsistencies.
  • Further expert review is recommended to refine specific items and ensure instrument reproducibility.
  • Enhancements may be needed to improve the RKPPS's reliability across all age groups and dimensions in Brazil.
Abstract

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