Anchor: A particular strength of such studies is the fact that potential confounding variables such as socio-economic status, occupation, and smoking do not vary on a day-to-day basis in an individual area.
Entailed: The strength of the study is some factors not changing on a day to day basis. 
Contradiction: The downfall of the study is the lack of variables. 
Contradiction: Documentation need not be readily available--so long as it can be summoned, the expediency in which it could be brought is irrelevant.
Contradiction: Goals will be established with the agencies to lower erroneous payments in the programs.
Contradiction: A guide hands out snacks.
Contradiction: Woman serving decadent, delicious fried foods at the fair.