Browsing: reliability

Diagnostic interviews – the most common way to diagnose substance use and mental disorders including depression, anxiety, bipolar and personality disorders – vary in reliability from…

Deep problems at the UK’s statistics agency with the quality of its data are piling pressure on officials in the run-up to the autumn budget, sources…

A Guardian analysis has raised fresh questions over the way regulators and corporations measure the air quality impact of planned factories that risk emitting dangerous levels…