ABSTRACT
Unfortunately,theconcluerprogramsareresponsibleforthedeclineisconfoundedbyothervariablesthatmayhavecontributedto thereduction.Let'sconsiderafewofthepotentiallyimportantones.
First,duringtheperiodthatthedesignateddriverprogramswerebeingpromoted,17statesenactedlawsthatrestrictdrivingbyteenagersatnightwhenteenagersaremostlikelytodrinkanddrive.Forexample,thestateofNewYorkgenerallyprohibitsdrivingbythoseunder18yearsofagebetween9P.M.and5A.M. Inaddition,moststateshaveenactedmuchlowerpermittedbloodalcohollevels forteenagedrivers,withsomestatespermittingnone(thatis,anythingabove0.0 makesateenagerguiltyofdrivingundertheinfluence).
