Kellie S Bennett

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OBJECTIVE To examine gender differences in attention-deficit/hyperactivity disorder ("ADHD") symptom comorbidity with "oppositional defiant disorder", "conduct disorder", "separation anxiety disorder", "generalized anxiety disorder", speech therapy, and remedial reading in children. METHOD From 1994 to 1995, data from a large sample (N = 4,371) of twins(More)
BACKGROUND When symptom rating scales are used in the general population, there is severe skewness, with many individuals having no symptoms. While this has major implications for genetic designs that require extremely discordant and concordant (EDAC) siblings, little is known of the genetics of scales which seek to differentiate within the "no ADHD(More)
This article describes the Australian Twin Attention-deficit/hyperactivity disorder (ADHD) Project (ATAP), the results of research conducted using this database and plans for future studies. Information has been actively collected from Australian families with twin children since 1991 for the ATAP database. The value of assessing siblings as well as twins(More)
Previous research has demonstrated a link between attention-deficit/hyperactivity disorder (ADHD), developmental coordination disorder (DCD), and depression. The present study utilized a monozygotic (MZ) differences design to investigate differences in depressive symptomatology between MZ twins discordant for ADHD or DCD. This extends previous research as(More)
Assessments for blood-injury-injection phobia measure feared stimuli and overt behaviours, but they have not systematically addressed the symptoms of fear and faintness. The Blood-Injection Symptom Scale (BISS) was developed to overcome this omission. An exploratory factor analysis grouped symptoms triggered by blood and injections into three internally(More)
This study investigated the influence of spirituality on depression in Western Australian women. Two hundred and seventy-eight women (aged 18-78) completed an online survey about factors relating to daily spiritual experience, depression, anxiety and social support. Significant correlations were found between spiritual experience and depression, whereby(More)
et al. (in preparation). Tasking the learning in learning to read seriously: Evidence from intervention and twin studies (tentative title). Scientific Studies of Reading. (in press). Attention-deficit/hyperactivity disorder and comorbid drug use. Responding to Co-occurring Mental Health and Drug Disorders. (2006). A twin study of conduct disorder and ADHD:(More)
Attention-deficit hyperactivity disorder (ADHD) is a common childhood disorder which occurs more often in twins than singletons. This article focuses on the psychosocial consequences of having a co-twin with ADHD. Specifically, the level of anxiety (generalized and separation) in non-ADHD children who have a co-twin with ADHD is examined using data from the(More)
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