The Pathways Clearinghouse team wants to make sure you can access the evidence you need! Browse responses below to some common questions about the Pathways Clearinghouse. If you do not see the answer to your question, contact the team.

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How can I use effectiveness ratings to know what impact an intervention would likely have if implemented again?

An effectiveness rating assesses whether an intervention is likely to produce favorable results if faithfully replicated with a similar population. Outcome domains with well-supported ratings are those that the evidence suggests are most likely to improve if an intervention were replicated with a similar population. Outcome domains with supported ratings have some evidence that the intervention improves them, but the evidence is less conclusive. Outcome domains that receive a rating of not supported have strong or consistent evidence that the intervention is unlikely to produce favorable effects.

However, because implementation challenges and successes often vary and no two implementations of an intervention are identical, the well-supported and supported ratings do not guarantee success.

Why does the Pathways Clearinghouse report more information for studies with high or moderate quality ratings than those with low ratings?

Studies with low quality ratings demonstrate little evidence that findings are attributable, in part or in full, to the intervention examined. A low quality rating suggests that there is a high risk of bias. The Pathways Clearinghouse focuses on providing detailed information for studies rated high or moderate quality because these studies have a lower risk of bias, and these interventions are more likely to have contributed to the reported outcomes. In other words, the Pathways Clearinghouse focuses on well-implemented studies because they provide the most relevant, useful information for practitioners and decision makers.