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Objective Assessment in Clinical Psychological Science: Progress in Wearable Alcohol Biosensors
Catharine E Fairbairn1, Dahyeon Kang1,2, Jiaxu Han1
1Department of Psychology, University of Illinois Urbana-Champaign, Champaign, Illinois, USA; email: cfairbai@illinois.edu, jiaxuh2@illinois.edu.
Annual Review of Clinical Psychology
|February 12, 2026
Summary
This study introduces wearable transdermal biosensors for objective behavioral assessment in clinical psychology, addressing limitations of self-reports and exploring challenges and advancements in alcohol science technology.
Area of Science:
- Clinical Psychology
- Alcohol Science
- Biomedical Engineering
Background:
- Clinical psychology heavily relies on self-reports, which are prone to specific biases.
- Objective behavioral assessment methods are needed to complement subjective self-report data.
Purpose of the Study:
- To present a prototype for objective behavioral assessment using wearable transdermal biosensors.
- To review the current state of transdermal alcohol assessment technology.
Main Methods:
- Review of research on wearable transdermal biosensors for alcohol assessment.
- Analysis of performance gains from updated devices and machine learning tools.
- Identification of challenges and unanswered questions for transdermal technology.
Main Results:
- Recent advancements in devices and machine learning have improved transdermal alcohol assessment.
- Key challenges remain, including device longevity and accuracy for fine-grained drinking quantity estimation.
Conclusions:
- Wearable transdermal biosensors offer a promising avenue for objective measurement in clinical psychology.
- Careful consideration of error types (random vs. systematic) and measurement diversification are crucial for evaluating new objective tools.
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