The SpeakOut model was originally developed by Wendy Sarkissian and Andrea Cook in Adealide in December 1990.
There have been many refinements since then.
Using the link below, you can download the file: “Speaking Out in Community Engagement: A Review of Fifteen Years of Refinement of the SpeakOut Model”.
SpeakOut Summary Cook and Sarkissian
Andrea's poster for the first SpeakOut
Co-author Andrea Cook, Melbourne, 2005
Wendy Introducing the Mayor of Salisbury at the SpeakOut, 1990