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Color Trails Test (CTT)

Author(s): Louis F. D'Elia, Paul Satz, Craig Lyons Uchiyama and Travis White
Publisher: PAR, 1994
SKU code: PG_CTT

Overview

Purpose: Measure sustained attention and sequencing

Age: 19-89 years

Time: Approximately 3-8 minutes (timed)

The Color Trails Test (CTT) was developed to be free from the influence of language and cultural bias. The CTT retains the psychometric properties of the standard Trail Making Test (TMT), but it substitutes the use of colour for the use of English alphabet letters, making it more suitable in cross-cultural and other special needs contexts.

Numbered circles are printed with vivid pink or yellow backgrounds that are perceptible to colour-blind 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 colour sequence errors.

Please Note: A Stopwatch is required for administration.

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Author(s): Louis F. D'Elia, Paul Satz, Craig Lyons Uchiyama and Travis White