Internal consistency, temporal stability, and reproducibility of individual index scores of the Test of Variables of Attention in children with attention-deficit/hyperactivity disorder

Antolin M. Llorente, Alfred J. Amado, Robert G. Voigt, Marcia C. Berretta, J. Kennard Fraley, Craig L. Jensen, William C. Heird

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

Psychometric properties of the Test of Variables of Attention (TOVA) were examined in a cohort of children (n=63) strictly diagnosed with attention-deficit/hyperactivity disorder (AD/HD). Internal consistency was assessed via correlational analyses to determine the degree of agreement among various test portions. The temporal stability of errors of omission, errors of commission, response time, and response time variability was evaluated using test-retest reliability. Reproducibility of individual scores for the same indices was assessed using the Bland-Altman procedure. Select TOVA index scores exhibited high internal consistency in this cohort. Although the temporal stability of group scores (test-retest reliability) was satisfactory, individual test scores were less reproducible. Temporal stability and individual test-retest score agreement were greater for response time and response time variability than for errors of omission and errors of commission.

Original languageEnglish (US)
Pages (from-to)535-546
Number of pages12
JournalArchives of Clinical Neuropsychology
Volume16
Issue number6
DOIs
StatePublished - Jul 31 2001

All Science Journal Classification (ASJC) codes

  • Neuropsychology and Physiological Psychology
  • Clinical Psychology
  • Psychiatry and Mental health

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