Psychometric study of the test of variables of attention: Preliminary findings on Taiwanese children with attention-deficit/hyperactivity disorder

Autor:	Yu-Ying Chen, Yu-Yu Wu, Chih-Ken Chen, Chia-Chen Chao, Tzyh-Chyang Chang, Yu-Shu Huang
Rok vydání:	2007
Předmět:	Male medicine.medical_specialty Adolescent Psychometrics Taiwan Validity CBCL Neuropsychological Tests Impulsivity behavioral disciplines and activities Test of Variables of Attention mental disorders Reaction Time medicine Humans Attention deficit hyperactivity disorder Attention Child Psychiatry Child Behavior Checklist General Neuroscience Reproducibility of Results Cognition General Medicine medicine.disease Psychiatry and Mental health Neurology Attention Deficit Disorder with Hyperactivity Child Preschool Data Interpretation Statistical Female Neurology (clinical) medicine.symptom Psychology Photic Stimulation Psychomotor Performance
Zdroj:	Psychiatry and Clinical Neurosciences. 61:211-218
ISSN:	1440-1819 1323-1316
DOI:	10.1111/j.1440-1819.2007.01658.x
Popis:	Attention-deficit/hyperactivity disorder (ADHD) is a common mental disorder in children. Unfortunately, reliable means of measuring attention and impulsivity to help with diagnoses are scarce. The test of variables of attention (TOVA) is a computer-administered continuous performance test measuring attention and impulsivity, designed to avoid confounding arising from language processing skills or short-term memory problems. Some evidence has indicated the TOVA can be useful in diagnosing ADHD. This study examines its validity and reliability in helping diagnose Taiwanese ADHD children. The study included 31 ADHD children (24 males, seven females) from a northern Taiwan children's hospital and 30 normal controls (18 males, 12 females) from the local community. The TOVA and the Child Behavior Checklist (CBCL) were administered to all children. TOVA scores for omissions, commissions, response time, response time variability, D' and ADHD scores were analyzed. Results showed a mean internal consistency of 0.81 for all six TOVA variables across conditions, with moderate convergent and discriminant validities. Groups showed significant differences in response time variability, D' and ADHD scores, with the normal group outperforming the ADHD group. Significant group differences were also found in all CBCL subscale scores except somatic complaints. The ADHD group obtained a clinically significant score on the hyperactivity subscale of the CBCL. The findings partially support the usefulness of the TOVA in assessing attention and impulsivity problems for a Taiwanese sample. Future studies should increase the sample size, use multiple measures, and collect behavior ratings from both parents and teachers.
Databáze:	OpenAIRE
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