Dot cancellation test
The Dot cancellation test or Bourdon-Wiersma test is a commonly used test of combined visual perception and vigilance.[1][2]
The test has been used in the evaluation of stroke where subjects were instructed to cross out all groups of 4 dots on an A4 paper. The numbers of uncrossed groups of 4 dots, groups of dots other than 4 crossed, and the time spent (maximum, 15 minutes) were taken into account.[2] The Group-Bourdon test, a modification of the Bourdon-Wiersma, is one of a number of psychometric tests which trainee train drivers in the UK are required to pass.[3][4]
The test is based on the work of French psychologist Benjamin B. Bourdon.[5][6]
References
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- ↑ Ono H, Lillakas L, Kapoor A, Wong I, 2013, "Replicating and extending Bourdon’s (1902) experiment on motion parallax" Perception 42(1) 45 – 59
- ↑ http://universal_lexikon.deacademic.com/216409/Bourdon-Test
