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Construct Validity of the Sensory Profile Interoception Scale: Measuring Sensory Processing in Everyday Life
Winnie Dunn1, Catana Brown2, Angela Breitmeyer3
1Department of Occupational Therapy, College of Health Sciences, University of Missouri, Columbia, MO, United States.
Frontiers in Psychology
|June 1, 2022
Summary
The new Sensory Profile Interoception (SPI) scale effectively measures interoceptive awareness, linking body sensation perception to wellbeing. This validated tool aids professionals in creating targeted interventions for individuals with varying interoception levels.
Area of Science:
- Psychology
- Neuroscience
- Health and Wellbeing
Background:
- Interoception, the ability to sense internal body states, is increasingly recognized for its role in overall wellbeing.
- Existing tools for assessing interoception lack the conceptual clarity to link awareness to specific everyday behaviors.
- The Sensory Profile Interoception (SPI) scale offers a novel, participation-based approach grounded in Dunn's Sensory Processing framework.
Purpose of the Study:
- To investigate the concurrent and construct validity of the Sensory Profile Interoception (SPI) scale.
- To establish the SPI scale's reliability in identifying everyday behaviors associated with interoceptive awareness.
- To provide a more precise measure for professionals designing interoception-focused interventions.
Main Methods:
- Concurrent validity was assessed by correlating the SPI with the Adolescent/Adult Sensory Profile (A/ASP).
- Construct validity was examined using correlations with the Perth Alexithymia Scale (PAS), Body Awareness Scale (BAS), and State-Trait Anxiety Inventory (STAI).
- Data were collected from 74 college-aged participants via the REDCAP online platform using Spearman rank order correlations.
Main Results:
- Significant correlations were found between SPI and A/ASP sensory pattern subscales (r = 0.277 to 0.582).
- The SPI demonstrated significant relationships with the BAS (r = 0.496, 0.385) and STAI (r = 0.266 to 0.403), supporting construct validity.
- Weak correlations were observed between the SPI and PAS (r = 0.260), indicating nuanced relationships.
Conclusions:
- The findings provide evidence for the construct validity of the SPI scale in identifying participation patterns related to high and low interoception.
- The SPI scale offers a more precise measure of interoception within authentic activities.
- This validated tool can inform tailored interventions and advance research on interoception in everyday life.
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