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Reliability and validity of the Conners' Continuous Performance Test.

Danielle Shaked1, Lauren M D Faulkner1, Kathryn Tolle2

  • 1Department of Psychology, University of Maryland, Baltimore County, Baltimore, Maryland, USA.

Applied Neuropsychology. Adult
|February 23, 2019
PubMed
Summary
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The Conners' Continuous Performance Test-2 (CCPT-2) shows good reliability for commission errors and response time, but not omission errors. Commission errors and response time may be stable measures of attention and impulsivity.

Area of Science:

  • Psychological Assessment
  • Neuropsychology
  • Cognitive Psychology

Background:

  • The Conners' Continuous Performance Test-Second Edition (CCPT-2) is a key tool for assessing attention and impulsivity.
  • Limited data exists on the psychometric properties, specifically the reliability, of the CCPT-2.

Purpose of the Study:

  • To evaluate the psychometric properties of the CCPT-2.
  • To assess the performance stability and criterion validity of the CCPT-2.

Main Methods:

  • 91 undergraduates completed the CCPT-2 twice, approximately one week apart.
  • Participants also completed the State-Trait Personality Inventory (STPI), Behavior Rating Inventory of Executive Function-Adult Version (BRIEF-A), and Stroop Color and Word Test.
  • Sleep data was also collected.
Keywords:
AttentionContinuous Performance Testpsychometricsreliabilityvalidity

Related Experiment Videos

Main Results:

  • The CCPT-2 demonstrated strong internal consistency.
  • Adequate test-retest reliability was found for commission errors and response time, but not omission errors.
  • Practice effects were observed for omission and commission errors.
  • The CCPT-2 showed limited correlation with the BRIEF-A, Stroop Test, and STPI.
  • Increased sleep correlated with faster response times and more commission errors on the CCPT-2.

Conclusions:

  • Commission errors and response time on the CCPT-2 appear to be more reliable and potentially useful indicators of sustained attention and impulsivity than omission errors.
  • The CCPT-2's relationship with other measures of executive function and personality is weak.
  • Sleep quality may influence performance on attention tasks.