How does the betting structure differ between the two variants of seven card stud hi low?

In Seven Card Stud Hi-Low, the betting structure differs between the two variants in terms of the pot being split between the best high hand and the best low hand. In the "Eight or Better" variant, the low hand must qualify by having five cards of 8 or lower to win the low half of the pot, while in the "Eight or Better Qualifier" variant, the low hand must have five cards of 8 or lower to win the low half of the pot.