The associations among executive planning, self-determination, and quality of life in adolescents with intellectual disability
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AbstractBackground: Skills such as planning and problem solving that are required in self-determination can be cognitively demanding. It has not yet been examined whether executive functions and intelligence are associated with levels of self-determination in individuals with intellectual disability (ID), and how that is related to quality of life (QoL). This study examined the associations among executive functions, intelligence, self-determination, and QoL in adolescents with ID.

Methods: Seventy-nine adolescents aged between 17 and 20 years with mild ID participated in the study. Executive functions were assessed by experimental tasks. Non-verbal IQ and survey data regarding QoL and self-determination capacity were collected from the participants.

Results: In a regression model with QoL as the dependent variable, only executive planning and self-determination capacity (but not working memory, inhibition and IQ) were significant predictors of QoL. Two mediation models were tested based on the hypotheses, literature and current findings. Model 1 revealed that executive planning had a negative direct effect on QoL when the mediator, self-determination capacity, was held constant. Model 2 indicated that the significant association between self-determination and QoL was not mediated by executive planning.

Conclusions: The findings highlighted the crucialsignificance of self-determination, in comparison with executive functions and intelligence, for improving the QoL in adolescents with ID. Importantly, higher executive planning skill was even associated with lower QoL if self-determination was not concurrently strengthened. These findings carry implications for the design of education and intervention programmes aimed at improving QoL of adolescents with ID.
All Author(s) ListM. Lui, G. K. B. Lau, P. K. S. WONG
Journal nameJournal of Intellectual Disability Research
Year2024
Month1
Volume Number68
Issue Number1
PublisherJohn Wiley and Sons Inc
Pages53 - 63
ISSN0964-2633
eISSN1365-2788
LanguagesEnglish-United Kingdom

Last updated on 2024-19-01 at 12:21