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Updated: Oct 14, 2025

Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood
Published on: February 11, 2017
Development and assessment of an efficient pediatric affect and cooperation scale
Kristin M Kennedy1, Ellen Wang2, Samuel T Rodriguez2
1Stanford University School of Medicine, 291 Campus Drive, Stanford, CA 94305, USA.
The HRAD± scale efficiently assesses pediatric preprocedural affect and cooperativity during anesthesia induction and IV placement. It correlates well with existing scales, offering a practical alternative for clinicians.
Area of Science:
- Pediatric Anesthesiology
- Patient Affect Assessment
- Procedural Sedation
Background:
- Evaluating pediatric patient affect and cooperativity during medical procedures is crucial for successful outcomes.
- Existing scales for assessing preprocedural affect can be time-consuming or complex.
- The HRAD± (Happy, Relaxed, Anxious, Distressed) scale was developed for rapid assessment.
Purpose of the Study:
- To compare the efficacy and reliability of the HRAD± scale against established pediatric affect and cooperativity scales.
- To determine the correlation between HRAD± scores and scores from the mYPAS, OSBD, and ICC.
- To assess the inter-rater and intra-rater reliability of the HRAD± scale.
Main Methods:
- An observational study involving video recordings of pediatric patients undergoing mask induction or peripheral intravenous (PIV) placement.
- HRAD± ratings were collected from anesthesiologists and perioperative providers.
- Scores from mYPAS, OSBD, and ICC were obtained by trained researchers for comparison.
Main Results:
- HRAD± scores showed strong correlations with mYPAS (r=0.846) and OSBD (r=0.723).
- Cooperativity scores correlated well with the ICC in both mask induction (r=-0.715) and PIV placement (r=-0.869) groups.
- Acceptable inter-rater and intra-rater reliability were observed for HRAD± and cooperativity ratings.
Conclusions:
- The HRAD± scale is an efficient and reliable tool for assessing pediatric affect and cooperativity.
- It serves as a practical and effective alternative to more complex scales.
- HRAD± facilitates quick evaluation during mask induction and PIV placement.
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