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(CPT II) Conners' Continuous Performance Test, Second Edition

by C. Keith Conners, PhD and MHS staff

Sorry - this product is no longer available

(CPT II) Conners' Continuous Performance Test, Second Edition

by C. Keith Conners, PhD and MHS staff
Benefits Provides a task-based computerized assessment of attention problems and neurological functioning
Ages 6 years and up for CPT II; 4 and 5 years for K-CPT
Admin time 14 minutes for CPT II; 8 minutes for K-CPT
Scores T-scores and percentile ranks
Norms For CPT II, based on results from 2,521 subjects– 378 diagnosed with ADHD, 223 with other neuropsychological problems, and 1,920 nonclinical; for K-CPT, based on a sample of 454 children– 314 nonclinical, 100 clinical with ADHD, and 40 clinical without AD
Qualifications Level C required.
About Qualification Levels
HAVE A QUESTION? CALL 800.648.8857
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About This Product

Picture of (CPT II) Conners' Continuous Performance Test, Second Edition

BY C. KEITH CONNERS, PHD AND MHS STAFF

The CPT II clarifies the nature of attention deficits, quickly identifying problems with impulsiveness, activation/arousal, or vigilance. This convenient program can be used to screen for or diagnose ADHD, monitor treatment, test the effects of medication, or determine optimal drug dosage.

Sitting at the computer, the examinee presses the space bar or clicks the mouse whenever any letter other than “X” appears on the screen. Letters are displayed for 250 milliseconds, at 1-, 2-, and 4-second intervals. This process yields the following information: Response Times; Changes in Reaction Time Speed and Consistency; Signal Detection Theory Statistics; Confidence Index; Commission Errors; and Omission Errors.

When you want only very strong evidence of ADHD (e.g., to eliminate the need for follow-up evaluation), you can minimize false positives. Similarly, when you want to identify as many potential attention problems as possible, you can opt to minimize false negatives. 

Conners’ Kiddie Continuous Performance Test (K-CPT)

Adapted to the needs of young children, this program uses pictures of everyday objects (rather than letters) as on-screen stimuli. In addition, display times and stimulus intervals are longer, though testing procedure, information generated, and options offered are the same as those for the CPT II, described above. 

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