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A cluster analysis of personality style in adults with ADHD
Arthur L Robin1, Angela Tzelepis, Marquita Bedway
1Wayne State University School of Medicine, Detroit, MI, USA. arobin@med.wayne.edu
Objective:
The purpose of this study was to use hierarchical linear cluster analysis to examine the normative personality styles of adults with ADHD.
Method:
A total of 311 adults with ADHD completed the Millon Index of Personality Styles, which consists of 24 scales assessing motivating aims, cognitive modes, and interpersonal behaviors.
Results:
The sample was randomly divided into half, and independent hierarchical linear cluster analyses were performed on each half to identify replicable clusters. A three-cluster solution was selected, and two of the clusters were replicated across the independent analyses. Participants in Cluster 1 manifested more polarized, negative motivating aims, cognitive modes, and interpersonal behaviors than participants in Cluster two.
Conclusion:
Hierarchical linear cluster analyses identified two very different personality styles in a sample of adults with ADHD, with implications for clinicians and future research.
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