Anchor: A third was the problem of site variation, which in the mid-1970's was identified in quantitative studies as an ill-understood source of greater differences in a program's outcomes than the program itself.
Entailed: Site variation was a problem identified in the mid-1970's.
Contradiction: Quantitative studies have found site variation to not be concerning.
Contradiction: The beef they cook there is disgusting, never eat there.
Contradiction: Katherine is a French princess.
Contradiction: The National Institute's study demonstrated that day care has more of an effect on kids than families.
Contradiction: A person attaching sponges to himself