Rob Tapert and Ivan Raimi made 6 films together, and the 4 rated ones average 6.93, 0.10 below their career marks. The best is Army of Darkness at 7.4.

Rob Tapert averages 6.70, Ivan Raimi averages 7.35. Apart that suggests 7.03; together they average 6.93, a lift of −0.10.

Lift is the average of their films together minus the mean of their two career averages.