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Klein et al. (2012) Longitudinal Study of Adults with Childhood ADHD
A significant longitudinal study by Klein et al. (2012) offered insights into the long-term consequences of childhood ADHD. The study tracked 135 adults identified with ADHD symptoms in the 1970s and compared them to a control group of 136 adults without an ADHD diagnosis. The findings revealed that adults with a history of childhood ADHD experienced significantly poorer outcomes across educational, occupational, social, and personal domains compared to the control group.
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Ch.15 Psychological Disorders - Psychology @ OpenStax
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Educational and Occupational Outcomes in the Klein et al. (2012) ADHD Study
Social and Personal Outcomes in the Klein et al. (2012) ADHD Study
A researcher reviews a longitudinal study that followed two groups of people from childhood into their 30s. Group A consisted of 135 adults who were identified with symptoms of a specific neurodevelopmental disorder as children. Group B, the control group, consisted of 136 adults without a childhood diagnosis of this disorder. The study found that, on average, individuals in Group A had completed fewer years of school, held less prestigious jobs, and reported fewer close friendships than individuals in Group B. Based on this study design and its findings, what is the most accurate analytical conclusion?