“…Unlike procedure-based assessment (PBA) and direct observation of procedural skills (DOPS), CBD is a generic tool that can be used across specialities, in differing clinical environments and in cases of varying complexity. [10][11][12] Although there are sections within the form to document these variables, they do not feature in the portfolio summary generated by the ISCP. 7,13 The ISCP evaluation report, produced in 2012, states that CBD is more frequently used in early years training, while procedure specific tools, such as PBA and DOPS, are more favoured at later stages.…”