Findings support a relationship between reduced processing speed and inattention and provide evidence that WISC-IV profiles may be helpful in predicting symptomatology and outcome in children with ADHD.
A five-factor model based on CHC theory provided superior fit for the WISC-IV in children with ADHD, as has been found with the standardization sample.
The detection of malingering or symptom exaggeration has become an essential component in forensic neuropsychological evaluations, particularly in cases involving personal injury claims. Symptom Validity Tests refer to those measures that can be utilized to detect test performance that is so poor that it is below the level of probability, often times even among brain-damaged populations. This article outlines legal standards for expert testimony in regard to forensic neuropsychological personal injury evaluations. The article provides an outline of specific Symptom Validity Tests and Indicators, and reviews literature supporting test sensitivity and validity. In addition, the use of symptom checklists and questionnaires is discussed, as well as the appropriate use of Symptom Validity Tests and Indicators to establish the presence or absence of malingering or symptom exaggeration.
These intellectual profiles may have utility in identifying cognitive weaknesses inherent to these disorders and may be used to guide treatment intervention.
Obtaining data from multiple informants provides a more comprehensive diagnostic picture in the assessment of attention deficit hyperactivity disorder (ADHD). Differences in symptom ratings have been observed between parent- and teacher-report scales, though less information is available regarding differences between mothers and fathers. To address this gap, this study examines the rater agreement between mothers and fathers on the Diagnostic and Statistical Manual of Mental Disorders - Fourth Edition (DSM-IV) ADHD Symptom Rating Scale (DSM-ADHD-SRS). The participants consisted of 337 children diagnosed with ADHD who underwent comprehensive neuropsychological assessment. Confirmatory factor analysis indicates that a three-factor model comprising inattention, hyperactivity, and impulsivity symptoms provides the best fit for both mothers' and fathers' ratings. Mothers provided higher mean ratings for the inattention scale. These results suggest that the factor structure for the DSM-ADHD-SRS is the same, regardless of parent gender. However, symptoms of inattention may vary depending upon which parent completes the ratings. This discrepancy could lead to differences in diagnostic impressions in clinical evaluations.
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