Restoring the Web's original promise for meaningful connection

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Browse interventions

How do our ratings work?

Validated

We reserve Validated Grades for interventions that are both peer-reviewed and replicated. This is our highest evidentiary grade.

Convincing

Convincing Grades are for interventions with peer-reviewed evidence. They have yet to face attempted replication. This is our penultimate grade.

Likely

Likely Grades are for interventions with preprinted evidence. Preprints are academic manuscripts awaiting formal peer review.

Tentative

Tentative Grades occur when randomized controls or independence from vested interests are absent. It also happens to Convincing interventions if they fail to replicate.

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