The associations among executive planning, self-determination, and quality of life in adolescents with intellectual disability.
Teaching teens with mild ID to make choices and speak up for themselves improves life quality more than teaching planning alone.
01Research in Context
What this study did
The team asked 112 teens with mild intellectual disability to fill out three short surveys. One measured how well they plan ahead. One rated their self-determination skills like making choices and solving problems. The last one asked about their quality of life at home, school, and with friends.
The researchers then used statistics to see which skills best predicted a better life.
What they found
Self-determination scores were the strongest predictor of a good quality of life. Planning skill alone actually linked to lower life quality when self-determination was weak.
In plain words, teens who could set goals and speak up for themselves felt happier, even if their planning scores were average.
How this fits with other research
Nader-Grosbois (2014) saw that teens with ID already score lower on self-regulation. The new data say boosting those exact skills, not just teaching planning, lifts life quality.
Poppes et al. (2010) showed that people with ID rarely weigh many facts before choosing; executive function mattered, but choices stayed poor. Andrews et al. (2024) agree executive skill is not enough—self-determination must ride along.
van Herwaarden et al. (2022) used interviews and found social acceptance and autonomy create well-being. The survey numbers now back that story with hard data.
Why it matters
Stop drilling only planning or organization goals. Embed choice-making, problem-solving, and self-advocacy into every session. When teens practice picking dinner, asking for help, or setting a homework goal, you hit the skill that truly raises their happiness.
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02At a glance
03Original abstract
BACKGROUND: 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 crucial significance 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.
Journal of intellectual disability research : JIDR, 2024 · doi:10.1111/jir.13091