areas of Upstate New York that were important to these movements.

Historical study of the phenomenon began with Whitney R. Cross, in 1951. Subsequent study in the last quarter of the twentieth century re-assessed the extent to which religious fervor actually affected the region. Linda K. Pritchard uses statistical data to show that, compared to the rest of New York State, to the Ohio River Valley in the lower Midwest, and to the United States as a whole, the religiosity