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Method for Developing Communication Skills in Autism - DHACA: appearance and content validation.

Ana Cristina de Albuquerque Montenegro1, Amanda Gabrielly de Santana Silva1, Bianca Queiroga1

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The DHACA method for autism communication skills was validated by expert judges, confirming its excellent appearance and content for clinical use.

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Area of Science:

  • Speech-language pathology
  • Autism Spectrum Disorder (ASD) intervention
  • Augmentative and Alternative Communication (AAC)

Background:

  • Developing effective communication skills is crucial for individuals with autism spectrum disorder (ASD).
  • The Developmental, Hierarchical, Affective, Cognitive, and Auditory (DHACA) method is designed to enhance communication abilities in ASD.
  • Validation of intervention methods ensures their suitability and efficacy in clinical practice.

Purpose of the Study:

  • To validate the appearance and content of the DHACA method for developing communication skills in individuals with autism.
  • To assess the suitability of the DHACA method for speech-language-hearing professionals.

Main Methods:

  • A qualitative and quantitative validation study involving 10 speech-language-hearing judges with expertise in AAC.
  • Judges appraised the DHACA method's communication book, principles, skills, and strategies using a structured form.
  • Content validity was calculated using the content validity index (CVI).

Main Results:

  • Expert judges reached a high degree of agreement, confirming the DHACA method's validity.
  • The content validity index indicated excellent content validity for the DHACA method.
  • Judges provided recommendations for refining the communication book, partner participation, modeling, cueing, and skill development.

Conclusions:

  • The DHACA method's appearance and content were validated by expert consensus, ensuring its reliability.
  • The high agreement among judges supports the DHACA method's suitability for speech-language-hearing clinical practice.
  • The DHACA method is recommended for use in therapeutic interventions for individuals with autism.