What do we know?

• There is great variety in adoption times, most of which are too long.

• It is not clear how to build and assess evidence when we have minimal control of variables.

• We know little about how the compelling nature of evidence relates to successful adoption.

• Evidence is not enough to ensure adoption.

• We can learn much from the literature of other disciplines.

ìDIFFUSION is the process by which an

INNOVATION is COMMUNICATED through

certain CHANNELS over TIME among the

members of a SOCIAL SYSTEM.î (Rogers)

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