The Government Says

Research and analysis: A Process Evaluation of the Enhanced Through the Gate specification

Research and analysis: A Process Evaluation of the Enhanced Through the Gate specification
Local copy of evaluation-of-the-enhanced-through-the-gate-specification.pdf

https://www.gov.uk/government/publications/a-process-evaluation-of-the-enhanced-through-the-gate-specification

seen at 20:37, 1 October in Ministry of Justice - Activity on GOV.UK.