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DUI test

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Senior Member
The two physical portions of the standardized field sobriety tests (one leg stand and walk and turn) are both based on the concept of divided attention. Making you look at your foot while also focusing on other things (counting, balancing, other arm to side) is one of the ways you are forced to divide your attention. The SFSTs are designed by NHTSA and there are lengthy manuals explaining how to administer the tests and why different things matter. I don't know if the manuals themselves are available online but there are detailed trainings on them.


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