Publication date: Jan 22, 2020
The purpose of this study is to address two key questions in the literature on incentives for substance use. The first question is whether it is more effective to directly incentivize the outcome of interest – drug abstinence – or to incentivize behaviors that are inputs into the production of abstinence. This study will compare two versions of the incentive program: one that incentivizes inputs to achieving abstinence, and one that incentivizes the outcome of abstinence. To address differential test submission rates, the study will measure the impacts of the intervention with urine drug-tests administered identically to patients in both treatments. In addition, the study will test a novel combination of baseline survey data and preferences among future incentive programs to provide data on why and for whom incentives for inputs and outputs are differently effective. The second question is how to optimize the size of incentives over time to maximize incentive effectiveness. This will be done by randomly varying the size and timing of incentives offered to participants in both the Inputs and Outcomes groups. The incentive amounts will then be varied across participants and time to fit a structural model of abstinence behaviors over time. The model will be used to describe the optimal shape of incentives over time.
|disease||MESH||opioid related disorders|
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