The shotgun house was popularized in New Orleans, and, as Fred Kniffen documented in a statewide survey of Louisiana house types in the 1930s, the greatest number are found dispersed from there in a manner that supports the diffusion theory.
22.
Function ` tanh'in Eq . 8 is the simplest function satisfying two asymptotic conditions ensuing from the diffusion theory : 1 ) for short times \ bar \ epsilon _ { sh } \ propto \ sqrt { t-t _ 0 }, and 2 ) the final shrinkage must be approached exponentially.
23.
According to Everett Rogers, one of the leading proponents of the diffusion theory, this perspective implies that the role of communication was ( 1 ) to transfer technological innovations from development agencies to their clients, and ( 2 ) to create an appetite for change through raising a climate for modernization among the members of the public ( Rogers, 1986 ).
