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The MRI Self-Efficacy Scale for Children: Development and Preliminary Psychometrics
Melissa Howlett1,2, Jill Chorney1,2,3
1Department of Psychology & Neuroscience, Dalhousie University.
Journal of Pediatric Psychology
|July 8, 2020
Summary
A new scale, the MRI Self-Efficacy Scale for Children (MRI-SEC), was developed to measure children's confidence during MRI scans. This tool helps predict procedural stress and identify children needing extra support.
Area of Science:
- Pediatric Psychology
- Medical Imaging
Background:
- Magnetic resonance imaging (MRI) can cause distress in children.
- Self-efficacy, a child's belief in their ability to succeed, is a potential predictor of stress during medical procedures.
- Understanding self-efficacy can inform behavioral interventions for pediatric MRI.
Purpose of the Study:
- To develop the MRI Self-Efficacy Scale for Children (MRI-SEC).
- To assess the preliminary psychometric properties of the MRI-SEC.
Main Methods:
- Scale development involved literature review and healthcare provider feedback.
- The MRI-SEC was refined based on feedback from child-parent dyads with and without prior MRI experience.
- Psychometric properties were evaluated in 127 children (ages 6-12) and parents using the MRI-SEC and construct validity measures.
- Test-retest reliability was assessed in 27 children.
Main Results:
- The MRI-SEC demonstrated acceptable internal consistency.
- The scale showed good test-retest reliability.
- Convergent validity of the MRI-SEC was confirmed.
Conclusions:
- The MRI-SEC is a valuable tool for understanding self-efficacy in pediatric MRI.
- It can help predict procedural stress and cooperation in children undergoing MRI.
- The scale supports the development of targeted behavioral interventions for children experiencing MRI-related anxiety.
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