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Reliability and Validity01:29

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Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
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Evaluation in Ayres Sensory Integration® (EASI) Tactile Perception Tests: Construct Validity and Internal

Roseann C Schaaf1, Kelly Auld Wright2, Zoe Mailloux3

  • 1Roseann C. Schaaf, PhD, OTR/L, FAOTA, is Director, Jefferson Autism Center of Excellence, and Professor, Department of Occupational Therapy, College of Rehabilitation Sciences, Thomas Jefferson University, Philadelphia, PA; roseann.schaaf@jefferson.edu.

The American Journal of Occupational Therapy : Official Publication of the American Occupational Therapy Association
|February 13, 2023
PubMed
Summary
This summary is machine-generated.

The Evaluation in Ayres Sensory Integration® (EASI) Tactile Perception Tests demonstrate strong reliability and validity for assessing tactile perception in children aged 3-12. These tests are valuable tools for occupational therapists to understand sensory functions impacting daily activities.

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Area of Science:

  • Occupational therapy
  • Pediatric sensory processing
  • Psychometrics

Background:

  • Tactile perception assessment is crucial for understanding occupational performance in children.
  • Existing measures may not fully capture the nuances of tactile processing relevant to daily functioning.

Purpose of the Study:

  • To evaluate the construct validity and internal reliability of four novel tactile perception tests.
  • To determine if these new tests can differentiate between typically developing children and those with sensory integration concerns.

Main Methods:

  • Employed a causal comparative groups design with children aged 3-12 years.
  • Utilized Rasch analyses for construct validity and analysis of covariance for group comparisons.
  • Data collected from typically developing children (n=174) and children with sensory integration concerns (n=153) across various US settings.

Main Results:

  • Rasch modeling confirmed the construct validity of all four tactile perception tests.
  • Typically developing children scored significantly higher than the clinical group on all measures.
  • Internal reliability was found to be moderate to strong, with Rasch person reliability indices ranging from .69 to .87.

Conclusions:

  • The EASI Tactile Perception Tests are reliable and valid for assessing tactile perception in children aged 3-12.
  • These tests are clinically useful and appropriate for this age group.
  • Findings support the use of these tests to identify sensory functions impacting occupational performance.