The Color Trails Test (CTT) assesses sustained attention in adults, and was developed to be free from the influence of language and cultural bias.
The CTT retains the sensitivity and specificity of the original Trail Making Test (TMT) 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.
The Color Trails Test Record Form is used by the examiner to record the length of time required by the respondent to complete the Color Trails 1 test trial. Also recorded are the number of near-misses, errors and prompts.
For Color Trails 2 test trial, the examiner records the number of near misses, prompts, colour sequence errors and number sequence errors made by the respondent.