Complex sentence: Moffat's law is an empirical law formulated using mathematical statistics first described by Alistair Moffat in 2016 that describes the relationship between the number of judgements and the user variation, system variation and pool depth.
Split into simpler sentences: Moffat's law is an empirical law formulated using mathematical statistics first described by Alistair Moffat in 2016. The law describes the relationship between the number of judgements required and the user variation, system variation and pool depth.