it is so difficult to claim that a process is ‘best practice’. When trying to identify or establish a process as ‘best practice’, individuals and organisations must factor in many different variable

: D.All of the reasons above are valid. All of the reasons listed are valid reasons why it can be difficult to prove that a process is a ‘best practice’. Firstly, data on the performance of a process is often confidential, making it difficult to measure its effectiveness. Secondly, it is hard to define what is ‘best’ as different processes may have different desired outcomes. Lastly, even if a process is considered a ‘best practice’, it cannot be universally applied as claims on the context and culture also need to be taken into account.