There are also consistent cross-cultural differences in how people respond to fear.
There is no consistent difference in the popularity of these three categories of fantasies.
In the long run there would be, it is presumed, a consistent difference.
It's not, though: how would such a consistent difference in female spatial reasoning, across two otherwise nearly identical societies, arise?
The above comparisons are tendencies, rather than consistent differences.
So our fossil species are defined in a rather practical way, as showing some consistent difference or differences from all other related species.
If net asset value and market capitalization are only two ways of measuring the same thing, then why is there a consistent difference between them?
I could find no consistent difference and would quite frankly never pay the premium for name-brand frozen vegetables.
There were, however, consistent differences in the quality of experience as wakefulness gave way to sleep.
Neither class size, teacher pay nor teacher credentials seemed to make a consistent difference on earnings a decade later.