Trail Making Test
Divided attention test; Partington’s pathways
The Trail Making Test (TMT) is a measure of attention, processing speed, and mental flexibility. The test has two forms: one for children aged 9–14 and another for adults aged 15 and above. On part A, examinees are required to connect 25 encircled numbers that have been randomly placed on a page in proper order. They must complete the task within 5 min. On part B, examinees are required to connect the encircled numbers and letters in alternating order, again within 5 min. Examinees are instructed to connect the circles as fast as they can without making mistakes or lifting the pencil from the paper.
The TMT originated in 1938 and was named “Partington’s pathways” or divided attention test (Partington and Leiter 1949). It was developed by the US Army psychologists and was part of the Army Individual Test Battery (1944). Reitan adapted the test and added it to the Halstead Battery (Reitan 1955). The...
References and Readings
- Army Individual Test Battery. (1944). Manual of directions and scoring. Washington, DC: War Department, Adjutant General’s Office.Google Scholar
- Heaton, R. K., Miller, S. W., Taylor, M. J., & Grant, I. (2004). Revised comprehensive norms for an expanded Halstead-Reitan battery: Demographically adjusted neuropsychological norms for African American and Caucasian adults: Professional manual. Lutz: Psychological Assessment Resources.Google Scholar
- Partington, J. E., & Leiter, R. G. (1949). Partington’s pathway test. The Psychological Service Center Bulletin, 1, 9–20.Google Scholar
- Strauss, E., Sherman, E. M. S., & Spreen, O. (2006). A compendium of neuropsychological tests: Administration, norms, and commentary (3rd ed.). New York: Oxford University Press.Google Scholar