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Factor structure and psychometric properties of the Persian versions of the Pediatric Daytime Sleepiness Scale and Morningness–Eveningness Scale for Children
Structure and reliability of the Persian versions of children's daytime sleepiness and morning-evening preference questionnaires
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Abstract
A sample of 407 Iranian adolescents demonstrated acceptable to good model fit for the Persian versions of the Pediatric Daytime Sleepiness Scale and the Morningness-Eveningness Scale.
- The one factor solution of the Pediatric Daytime Sleepiness Scale and the two factor solution of the Morningness-Eveningness Scale showed good validity and reliability.
- A strong correlation was observed between raw and latent factor scores for both scales.
- Increased scores on the Pediatric Daytime Sleepiness Scale, indicating more daytime sleepiness, were associated with lower scores on the Morningness-Eveningness Scale, reflecting more evening orientation.
- Findings support the criterion validity of both scales in measuring sleep patterns among adolescents.
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