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A Standardized Protocol for Preference Testing to Assess Fish Welfare

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Predicting Optimal Preference Assessment Methods for Individuals with Developmental Disabilities.

Kendra M Thomson¹, Diana Czarnecki, Toby L Martin

¹University of Manitoba and the St. Amant Research Center.

Education and Training in Developmental Disabilities

|March 30, 2013

Summary

This summary is machine-generated.

The single-stimulus (SS) and paired stimulus (PS) preference assessments are equally effective for identifying preferred items for individuals with developmental disabilities at ABLA levels 2 and 3.

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Area of Science:

Applied Behavior Analysis
Developmental Disabilities
Preference Assessment

Background:

The single-stimulus (SS) preference assessment is often recommended for individuals with lower cognitive functioning.
The guideline for using SS over paired stimulus (PS) preference assessments is vague.
Individuals with severe to profound developmental disabilities may benefit from clearly defined preference assessment methods.

Purpose of the Study:

To compare the effectiveness of SS and PS preference assessment procedures.
To evaluate these procedures for individuals with severe to profound developmental disabilities.
To determine if stimulus type (food vs. non-food) impacts assessment effectiveness.

Main Methods:

Administered SS and PS preference assessments using food and non-food items.
Participants included individuals with severe to profound developmental disabilities at Assessment of Basic Learning Abilities (ABLA) levels 2 and 3.
Correlations between preference scores from both procedures were analyzed.

Main Results:

Both SS and PS procedures were equally effective in identifying preferred stimuli for individuals at ABLA levels 2 and 3.
The PS procedure generated more detailed preference hierarchies.
High correlations in preference scores were observed between SS and PS procedures for both food and non-food items.

Conclusions:

SS and PS preference assessments are equally effective for identifying preferred stimuli in individuals with developmental disabilities at ABLA levels 2 or 3.
The choice between SS and PS may depend on the desired level of preference hierarchy detail.
These findings support the use of both methods for this population.