. Author manuscript; available in PMC: 2016 Apr 1.

Published in final edited form as: Int J Drug Policy. 2015 Jan 14;26(4):336–344. doi: 10.1016/j.drugpo.2015.01.009

Table 1.

Competing, Predicted Patterns of Results for Youth Attitudes and Use of Marijuana After Decriminalization

Prediction	Change in Youth Marijuana Acceptance Specific to California After Decriminalization	Change in Youth Marijuana Prevalence Specific to California After Decriminalization
Decriminalization Changes Behavior
Signalling Effect	Increase	Increase
Effect, but not through signalling	None	Increase
No Behavioral Effect of Decriminalization
No Effect	None	None
No Effect on marijuana use	Increase	None