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When Researchers First Began Thinking Seriously About Program Dissemination (Way

question 27

Essay

When researchers first began thinking seriously about program dissemination (way back in the 1970s!)they started with the "cookbook" approach.What is this approach,what are its weaknesses and what has replaced it?


Definitions:

Common Ancestor

A species or genetic lineage from which two or more descendant species or lineages have evolved.

Transcription Factors

Proteins that help regulate the expression of genes by binding to specific DNA sequences near genes.

Positional Information

The spatial and temporal cues that cells use during development to differentiate into the correct cell types and form complex structures.

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