CPM: conditioned pain modulation. NWR: nociceptive withdrawal reflex. Note that, despite the actual values obtained, the minimum recommended sample size for a group is 10 [44].
CPM: conditioned pain modulation. NWR: nociceptive withdrawal reflex. Note that, despite the actual values obtained, the minimum recommended sample size for a group is 10 [44].
Computed sample size, estimated power, and simulated power when the slope difference β1D = 0.75, sample size ratio r = 3, Type I error α = 0.05, and nominal power 1−β = 0.80.