Napoleon Wanted to Survey People About Their Use of Marijuana

Multiple Choice

Napoleon wanted to survey people about their use of marijuana.In an effort to get people to respond as honestly as possible,Napoleon embedded his questions about marijuana use in a list of questions about many other drugs (e.g. ,caffeine,crack cocaine,heroin,speed) .Was this a good idea?

A) yes
B) no
C) it depends on whether his sample contains a lot of heavy drug users