CCTT™ Children’s Color Trails Test™

Antolin M. Llorente, PhD, Jane Williams, PhD, Paul Satz, PhD, and Louis F. D’Elia, PhD

Purpose: Measures sustained attention, sequencing, and other executive skills
Format: Paper and pencil
Age range: 8 years to 16 years
Time: 10-14 minutes

Qualification level: C

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The CCTT assesses sustained attention, sequencing, and other executive functions while reducing reliance on language and diminishing the effects of cultural bias and parental verbal report.

  • Features and benefits
    Retains many similarities to the original children’s version of the Trail Making Test but substitutes color for letters, increasing the suitability of the test in cross-cultural contexts and with special needs populations.
  • Can be administered using nonverbal instructions.
  • Normative data were collected from 678 healthy children and more than 500 children in various clinical groups.
  • Alternate-form reliability between Form K and Form X for Part 1 and Part 2 was .85 and .90, respectively. Time raw scores for Part 1 and Part 2 exhibited good temporal clinical stability, with coefficients ranging from .90 to .99 across various time intervals.
  • Demonstrates a good level of convergent validity with the Children’s Trail Making Test and other instruments designed to assess attention.

Note. Stopwatch is required for administration. Form K is the standard test form for which normative data were collected and should be used for clinical evaluation. Forms X, Y, and Z should be used in research.

Additional information


Kits, Manuals, books, and equipment, Forms and booklets


5055-KT CCTT Introductory Kit includes CCTT Professional Manual; 50 Record Forms; and 50 Administrations of CCTT Form K, Parts 1 and 2, 5056-TM CCTT Professional Manual, 10315-EM CCTT e-Manual e-Manuals are limited to a single user and device. Please see our FAQ before ordering e-Manuals., 5057-RF CCTT Record Forms (pkg/50), 5060-ST CCTT Form K, Parts 1 and 2 (pad/50 each), 5063-ST CCTT Form X, Parts 1 and 2 (pad/50 each), 5066-ST CCTT Form Y, Parts 1 and 2 (pad/50 each), 5069-ST CCTT Form Z, Parts 1 and 2 (pad/50 each)