The invention of the plow

Comparative Studies in Society and History • Vol/Iss. 24 • Published In • Pages: 727-743 •
By Pryor, Frederic L.

Hypothesis

The presence of the plow will be negatively associated with longer fallowing frequencies and the type of staple food (plow-negative or plow-positive) (737-8).

Test

Test NameSupportSignificanceCoefficientTail
Chi squareSupportedUNKNOWNUNKNOWNUNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
Fallowing FrequencyIndependentTillage
PlowDependentTillage, Agricultural Machinery
Staple FoodIndependentDiet