The role of selection bias in estimates of the deterrence effect of drug testing : evidence from the national longitudinal survey of youth
Substance abuse in the military has serious and costly consequences. The aim of this research is to measure quantitatively the deterrence effect of the military's drug testing and "zero tolerance" policies. A second purpose is to statistically measure the degree to which selection bia...
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| Language: | en_US |
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Monterey, California: Naval Postgraduate School
2012
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| Online Access: | http://hdl.handle.net/10945/13651 |