Trail-making test

Trail-making test

Driver Behavior

Published in Motoyuki Akamatsu, Handbook of Automotive Human Factors, 2019

The trail making test (TMT) is one of the widely used tests to evaluate executive function, and there are two types: Part A and B (Reitan, 1986). In Part A, subjects are provided with a test paper showing randomly distributed numbers, and are assigned to draw lines to connect them in a sequential order; in Part B, subjects are given a paper showing numbers and letters, and are asked to connect numbers and letters alternatingly in an ascending order. The time it took a subject to complete the task is used as an evaluation index. The difference in time taken to complete Part A and B is also sometimes used as an index (Fig. 6.24).

Hazard perception of stroke drivers in a video-based Japanese hazard perception task

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Journal Information

Published in Traffic Injury Prevention, 2019

Tsutomu Sasaki, Takashi Nogawa, Kyohei Yamada, Takao Kojima, Kunihiro Kanaya

The Trail Making Test (TMT), consisting of Part A (TMT-A) and Part B (TMT-B), was conducted to assess participants’ visual information processing abilities (Mazer et al. 2003). In TMT-A, participants were asked to touch, in order, the numbers 1 to 25 displayed on the PC screen. In TMT-B, participants were asked to alternately touch the numbers 1 to 13 and the Japanese Hiragana letters from あ to し displayed on the PC screen (e.g., 1, あ, 2, い, 3, etc.). The displayed target did not disappear from the screen even after a correct target had been touched. The time taken to complete the task was recorded on the PC. As with the video-based HP task, this was programmed by Nishizawa Electric Meters Manufacturing Co.

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Hazard perception of stroke drivers in a video-based Japanese hazard perception task