* Drivers under the influence of marijuana tend to over-estimate the adverse effects of the drug on their driving quality and compensate when they can; e.g. by increasing effort to accomplish the task, increasing headway or slowing down, or a combination of these.
* Drivers under the influence of alcohol tend to under-estimate the adverse effects of the drug on their driving quality and do not invest compensatory effort.
207 posted on 01/04/2014 3:27:26 PM PST by TigersEye
(Stupid is a Progressive disease.)
Did you read the part that said this was under controlled conditions where the driver was concentrating on the task and under the influence of pot a driver lost concentration on other tasks and did not recognize changing conditions ...
214 posted on 01/05/2014 5:03:12 PM PST by TexasGator