FST Studies Flashcards
First FST study
1977
Where was first study done?
LA (laboratory)
1st study goals?
Identify most reliable FSTs
Second FST study?
1981
First FST study results?
Identified HGN,WAT,OLS as “best tests”
Study listed finger to nose, Romberg, and finger count as optimal tests
Where was second study done?
LA (Lab/Fields)
2nd study goals?
Asses effectiveness of SFSTs in relation to BACs above/below .10
Second study results?
297 drinkers and 10 officers
Officers able to correctly classify BACs of .10 81% of the time with 3 test battery
Third study?
1983
Where was third study done?
MD, VA, NC, DC (Field)
Third study goals?
Field study. Test FSTs and determine accuracy for each.
Third study results?
3 test battery officers right 80% of time on 1506 drivers
HGN 4/6 77% .10 or more
WAT 2/8 68% .10 or more
OLS 2/4 65% .10 or more
Fourth study?
1995
Where was fourth study done?
Colorado (Field)
Fourth study goal?
Accuracy of SFST in cold weather
Fourth study findings?
234 drivers tested 93% correct that BAC over .10
Fifth study?
1997
Where was fifth study?
Florida (Field)
Fifth study goal?
Test accuracy of SFSTs for BAC .08 or greater
Fifth study findings?
379 drivers tested
Officers correct 95% of time that .08 or greater
Sixth study?
1998
Where was sixth study done?
San Diego (Field)
Sixth study goal?
Test officers ability to discriminate below .10 and between .04/.08
Sixth study findings?
297 drivers tested
Officers able to determine .08 or greater 91% of time
Also 80% of time when person was between .04 and .08
