It's a problem when much of what winds up in scientific journals isn't replicable, for various reasons. The research community is taking baby steps toward addressing the "reproducibility crisis."
A re-analysis of research into deworming interventions at Kenyan schools has confirmed some findings and disputed others. However, it does not take away from the programme's effectiveness.
The re-analysis of data can provide valuable new findings and it can improve transparency, accountability, and strengthen the literature that policymakers base their decisions on.