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Color Trails Test™ (CTT™)

Color Trails Test™ (CTT™)
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Measure sustained attention and sequencing


Age Range                         

18 to 89 years




Approximately 3-8 minutes (timed)


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Color Trails Test™ (CTT™)

Louis F. D'Elia, Paul Satz, Craig Lyons Uchiyama, Travis White.

Developed to be free from the influence of language and cultural bias, the CTT assesses sustained attention in adults.

Two trials provide quantitative and qualitative information

Numbered circles are printed with vivid pink or yellow backgrounds that are perceptible to colorblind individuals. For Part 1, the respondent uses a pencil to rapidly connect circles numbered 1-25 in sequence. For Part 2, the respondent rapidly connects numbered circles in sequence, but alternates between pink and yellow. The length of time to complete each trial is recorded, along with qualitative features of performance indicative of brain dysfunction, such as near-misses, prompts, number sequence errors, and color sequence errors.

Features and benefits

Retains the sensitivity and specificity of the original Trail Making Test but substitutes color for letters, making it more suitable in cross-cultural and special needs contexts.

Instructions may be presented either verbally or with visual cues.

Validity of the CTT has been documented in a variety of clinical and neuropsychological populations.

Note: Stopwatch is required for administration.

Product Items

CTT Introductory Kit: CTT Professional Manual, 25 Record Forms, and 25 each of Form A Trials 1 and 2 Test Sheets
Item # MPS04-3450KT
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CTT Professional Manual
Item # MPS04-3451TM
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CTT Record Forms (Pack of 50)
Item # MPS04-3452RF
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CTT Form A Trial 1 Test Sheets (Pack of 25)
Item # MPS04-3453SF
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CTT Form A Trial 2 Test Sheets (Pack of 25)
Item # MPS04-3454SF
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CTT Sets of Form A Trials 1 and 2 Test Sheets (Pack of 25)
Item # MPS04-3455ST
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CTT Sets of Form B Trials 1 and 2 Test Sheets (Pack of 25)
Item # MPS04-3458ST
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CTT Sets of Form C Trials 1 and 2 Test Sheets (Pack of 25)
Item # MPS04-3461ST
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CTT Sets of Form D Trials 1 and 2 Test Sheets (Pack of 25)
Item # MPS04-3464ST
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