This study pushes our understanding of research reliability by reproducing and replicating claims from 110 papers in leading economic and political science journals. The analysis involves computational reproducibility checks and robustness assessments. It reveals several patterns. First, we...

Early onset of behavioural problems has lasting negative effects on a broad range of lifetime outcomes, placing large costs on individuals, families and society. A number of researchers and policy makers have argued that early interventions aimed at supporting the family is the most effective...