Field sobriety tests criticisms Drunk driving in the United States

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critics of standardized field sobriety tests question statistical evidence behind them, , ability of officers administer tests , judge impairments related alcohol. according barone, 1 study involved sober individuals asked perform standardized field sobriety tests, , performances videotaped. after viewing 21 videos of sober individuals taking standardized field tests, police officers believed forty-six percent of individuals had drink . should not out of question standardized field sobriety tests re-examined reliability , validity. standardized test claims have scientific support should able repeated. along that, standardized field sobriety tests not have specific standard grading, , left discretion of officer determine whether he/she see observes cue sufficient count against test subject. err human. nhtsa s 1977 study had error rate of 47 percent, , 1981 study had error rate of 32 percent, considered unusually high scientific study.


one of main criticisms of field sobriety tests judgment left discretion of police officer. officer may have bias towards suspect , judge test more critically necessary. additionally, impossible tell whether or not police officer used proper procedures administering field sobriety test when case brought court. original research conducted nhtsa disputed because of manner in conducted , conclusions reported. 1 author comments reports 3 studies issued nhtsa lacking of material , analysis expected in scientific paper, , none have been published in peer-reviewed journals (rubenzer 2011).


walk & turn test criticisms

one of main problems walk-and-turn test of signs of alcohol impairment may stem other physical problems. along that, there other signs of physical impairment can stem various causes, including fatigue, injury or illness, , nervousness. physically inactive, elderly, or obese may have trouble completing walk-and-turn test without flaw. ntsa used 50 pounds or more overweight may have difficulty performing test, , suspect must walk along real line. later nhtsa manuals removed weight comment, , inserted phrase imaginary line @ instruction phase, though original research used visible line . fact officers no longer required provide line suspect walk along may affect outcome of test, , adds scrutiny received critics.








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