| | DWI Trial Attorney Fort Worth Texas (Site not responding. Last check: 2007-11-01) |
 | | They do not.18 The walk and turn and one leg stand are purported to have “face validity,”19 that is the tests relate to actual driving tasks. |
 | | According to this study, field sobriety tests which included the walk and turn and one leg stand test were compared to normal tasks such as reciting basic information and walking in normal manner for 21 sober individuals all with a BAC of.000. |
 | | Despite ignorant, widespread acceptance of the validity of the HGN, walk and turn and one-leg stand tests, there are some jurisdictions which have started down a very unpopular but judiciously righteous path in respect of scientific principles and constitutional liberty. |
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