(=>
(and
(instance ?EXPERIMENT Experimenting)
(instance ?INTERVAL TimeInterval))
(equal
(DivisionFn
(CardinalityFn
(KappaFn ?PURCHASE
(and
(instance ?PURCHASE Buying)
(member ?PURCHASE
(QualifyingPurchasesFn ?EXPERIMENT))
(during
(WhenFn ?PURCHASE) ?INTERVAL))))
(CardinalityFn
(KappaFn ?USER
(and
(member ?USER
(TreatedUsersFn ?EXPERIMENT))
(instance ?ACCESSING AccessingWebPage)
(during
(WhenFn ?ACCESSING) ?INTERVAL)
(agent ?ACCESSING ?USER)))))
(PPIFn ?EXPERIMENT ?INTERVAL))) |
UXExperimentalTerms.kif 3095-3114 |
If X is an instance of experimenting and Y is an instance of timeframe, then equal the number of instances in the class described by Z, the number of instances in the class described by W, and purchases per user in X during Y |