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Psychometric Properties of the Self-Perception Profile for Children in Children with Chronic Illness
1School of Public Health and Health Systems, University of Waterloo, Waterloo, Ontario.
Insights
The Self-Perception Profile for Children (SPPC) is a valid and reliable tool for assessing self-concept in children recently diagnosed with chronic illnesses. This study confirms its psychometric properties in this specific pediatric population.
Area of Science:
- Pediatric Psychology
- Psychometrics
- Child Health
Background:
- The Self-Perception Profile for Children (SPPC) is widely used to measure children's self-concept.
- Limited research exists on the SPPC's psychometric properties in children newly diagnosed with chronic illnesses.
Purpose of the Study:
- To evaluate the psychometric properties of the SPPC in children newly diagnosed with chronic conditions.
- To confirm the reliability and validity of the SPPC for this population.
Main Methods:
- Confirmatory factor analysis was performed on the SPPC.
- Reliability, convergent validity, and discriminant validity were assessed.
- The study included 31 children with newly diagnosed asthma, diabetes, epilepsy, food allergy, or juvenile arthritis.
Main Results:
- The SPPC's unidimensionality across domains was confirmed.
- Robust internal reliability (α=.83-.95) and varied inter-domain correlations (ρ=.05-.85) were found.
- Convergent validity was supported by global self-concept and quality of life measures; discriminant validity was shown for Global Self-worth in relation to comorbid mental disorders.
Conclusions:
- The SPPC demonstrates valid and reliable psychometric properties for children newly diagnosed with chronic illnesses.
- These findings support the use of the SPPC in clinical and research settings involving pediatric chronic conditions.
Objective:
The Self-Perception Profile for Children (SPPC) is a commonly used measure of self-concept in children, but little research has examined its psychometric properties in children newly-diagnosed with chronic illness.
Method:
Confirmatory factor analysis and examination of reliability and convergent and discriminant validity of the SPPC was conducted in 31 children newly-diagnosed with asthma, diabetes, epilepsy, food allergy, or juvenile arthritis.
Results:
The unidimensionality of each domain of the SPPC was confirmed, internal reliability was robust (α=.83-.95), and inter-domain polychoric correlations ranged from weak to strong (ρ=.05-.85) Convergent validity was demonstrated with measures of global self-concept and domains of quality of life. The Global Self-worth domain showed discriminant validity between children with and without comorbid mental disorder.
Conclusions:
Findings extend the psychometric properties of the SPPC as a valid and reliable scale in children newly-diagnosed with chronic illness.
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