Mobile Intoxication Assessment tool
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Transcript of Mobile Intoxication Assessment tool
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MOBILE INTOXICATION ASSESSMENT TOOL
Design, Implementation, and Evaluation
Adam Burns and Max Neumeyer Advisor: Aaron Cass and Joshua Hart
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Introduction Is it safe to get behind the wheel of a car?
Which drink is one too many?
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Breathalyzer
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BAC Calculator
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Best of Both Worlds
Wouldn’t it be nice...
?
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Measuring Effects of Alcohol
Memory Problem solving Fine muscle control Vision Reaction time
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Fine Muscle Control
Reaction Time
Blurred Vision
Problem Solving
Memory
???
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Experiment Design
Study Evaluate prototypes/ develop eqn.
9 prototype tests 4 Java 5 physical
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Physical – Math Progression
3 + 3 / 2 x 5 - 4=
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Data Collection
21 Subjects
“baseline sober state” score
1 – 4 trials depending on subject
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Results
Coefficientsa
ModelUnstandardized Coefficients
Standardized
Coefficientst Sig.B Std. Error Beta
1 (Constant) .329 .134 2.455 .024BAC -7.152 1.953 -.643 -3.663 .002
Model Summaryb
Model R R SquareAdjusted R
SquareStd. Error of the Estimate
1 .643a .414 .383 .45593
ANOVAb
Model Sum of Squares dfMean
Square F Sig.1 Regression 2.789 1 2.789 13.419 .002a
Residual 3.950 19 .208 Total 6.739 20
Reliability Statistics
Cronbach's Alpha N of Items
.754 9
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Results
Blood Alcohol Content
Standardized Score
R2 Linear = .41
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Fine Muscle Control
Reaction Time
Blurred Vision
Problem Solving
Memory
???
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Current Status
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QUESTIONS?