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Phonological Assessment Instrument (INFONO): A pilot study.

Marizete Ilha Ceron1, Marileda Barichello Gubiani1, Camila Rosa de Oliveira2

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The Phonological Assessment Tool (INFONO) effectively elicits target words, showing excellent internal consistency. While gender and school type didn't impact results, children with typical phonological development performed differently than those with atypical development.

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Area of Science:

  • Speech-Language Pathology
  • Linguistics
  • Developmental Psychology

Background:

  • Phonological assessment is crucial for identifying speech sound disorders.
  • The Phonological Assessment Tool (Instrumento de Avaliação Fonológica - INFONO) aids in evaluating phonological development.
  • Ensuring instrument validity and reliability is essential for accurate diagnosis.

Purpose of the Study:

  • To assess the recognizability and word-elicitation effectiveness of INFONO items.
  • To evaluate the internal consistency of the INFONO.
  • To compare child performance based on gender, school type, and phonological development status.

Main Methods:

  • 48 children (3-8 years 11 months) participated, including those with typical and atypical phonological development.
  • Data collected via spontaneous naming task using INFONO items.
  • Analysis of recognition rates, scores, difficulties, and internal consistency for 116 items, with a final set of 84 items analyzed for performance comparisons.

Main Results:

  • Most INFONO target words demonstrated high recognition rates and suitability for use.
  • Some images required redesign, and certain items were excluded to optimize the instrument.
  • The INFONO exhibited excellent internal consistency.
  • No significant performance differences were found between genders or school types, but significant differences emerged between children with typical and atypical phonological development.

Conclusions:

  • INFONO images are well-recognized and effective in eliciting target words.
  • The finalized INFONO set includes sufficient target words to assess all phonemes in Brazilian Portuguese across various positions.
  • The instrument demonstrates excellent internal consistency, supporting its use in clinical and research settings.