The need to broaden and strengthen the evidence base for supervised consumption sites

The benefits of evaluating literatures with essays

“…Similarly, May et al . make useful suggestions for improving the evidence, such as waiting‐list studies and quasi‐experimental evaluations that are explicit about logic models and systematically consider and exclude rival hypotheses. Such research is especially needed given that drug markets in parts of North America appear to be transitioning from heroin to more potent opioids, such as fentanyl .…”

“…However, while May et al . may be right that Maryland's Scientific Methods Scale (SMS) could usefully be ported from crime prevention to the addictions field, we would caution—and May et al . would probably agree – that no five‐point scale can serve as a sufficient statistic for an evaluation literature.…”