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Intellectual Disability

Intellectual Disability

Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...

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Mand Modality Preference Assessments among High- and Low-Tech Options for Individuals with Intellectual and

Matthew J O'Brien^1,2,3, Alexander M Pauls¹, Kelly M Schieltz^1,2

¹University of Iowa, Iowa City, IA USA.

Behavior Analysis in Practice

|February 26, 2024

Summary

Individuals with intellectual and developmental disabilities (IDD) often prefer high-tech communication options over low-tech ones. This systematic review analyzed studies on communication modality preferences in IDD populations.

Keywords:

Augmentative and alternative communication Communication preference Concurrent schedules Functional communication training Mand modality assessment Preference

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Area of Science:

Augmentative and Alternative Communication (AAC)
Intellectual and Developmental Disabilities (IDD)
Behavior Analysis

Background:

Individuals with intellectual and developmental disabilities (IDD) often have limited vocal communication skills.
Augmentative and Alternative Communication (AAC) options, including high-tech (e.g., voice output devices) and low-tech (e.g., picture cards), are frequently recommended.
Research indicates that individuals with IDD show preferences for different communication modalities.

Purpose of the Study:

To systematically review studies that used Mand Modality Preference Assessments (MMPAs) with individuals with IDD.
To compare preferences between high-tech and low-tech AAC options within these assessments.
To identify variations in MMPA designs and outcomes in existing literature.

Main Methods:

Conducted a systematic literature review of 27 studies meeting inclusion criteria.
Included studies that implemented MMPAs with both high- and low-tech communication options for individuals with IDD.
Summarized participant demographics, MMPA procedures, and outcomes.

Main Results:

High-tech communication options were generally preferred over low-tech options across the reviewed studies.
A significant degree of variability was observed in the methodologies and conclusions of the included studies.
Participant demographics and specific MMPA designs influenced observed preferences.

Conclusions:

High-tech AAC options appear to be more preferred by individuals with IDD, but variability in research exists.
Further research is needed to refine MMPA protocols and understand factors influencing modality preference.
Findings have implications for clinical practice in selecting and implementing AAC interventions for individuals with IDD.