Table 1.

Time tendences for likelihoods of adoption for the three classic diffusion datasets.

Likelihood of Adoption
	Medical Innovation N=868	Korean Fam. Planning N=6,356	Brazilian Farmers N=10,085
Time 2	1.11	1.27	0.10*
Time 3	1.31	1.26	0.10*
Time 4	1.61	1.14	0.59
Time 5	2.20	1.47	3.37**
Time 6	2.80	1.60*	0.29
Time 7	3.71*	1.66*	0.29
Time 8	2.09	1.48	1.41
Time 9	1.52	2.65**	0.29
Time 10	0.53	1.96**	11.4**
Time 11	3.14		0.70
Time 12	2.20		5.65**
Time 13	1.55		2.26*
Time 14	3.73		6.01**
Time 15	4.85*		11.54
Time 16	1.17		11.67**
Time 17	1.24		18.1**
Time 18			16.9**
Time 19			22.26**

Note:

^*indicates p < .05,

^**indicates p < .01