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Washington State Institute for Public Policy

All of WSIPP's research is published on our website. The Publications page includes every report we've released—from our founding in 1983 to the present. Each report entry includes the title, publication date, abstract, any available supplemental materials, and a downloadable PDF.

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Publications

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Measuring Youth Cannabis Use in Washington State (Archived)

Open Publication PDF

Adam Darnell - May 2019

The 2018 Washington State Legislature directed WSIPP to conduct additional cannabis research, supplemental to the ongoing benefit-cost evaluation of cannabis legalization authorized by Initiative 502 in 2012. As part of this supplemental work, WSIPP was directed to examine current data collection methods measuring the use of marijuana by youth and potential ways to improve on these methods. In this report, we focused on the Washington Healthy Youth Survey, the primary source of data on cannabis use among Washington youth. We reviewed the evidence for harmful consequences of cannabis use focusing on how cannabis use was measured, and we examined recently developed surveys that reflect the state-of-the-art in survey measurement of marijuana use. With this information, we identified a set of potential improvements to the HYS while considering the practical limitations of revisions to an existing survey.

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