EmmyG and Earthworm...."Intermittent Chicken" refers to intermittent reinforcement (in psychology). It is actually the most powerful pattern of reinforcement.
You can go to the search button on the blue bar at the top of this main page and type in "intermittent chicken"
You can also do a google search on "intermittent reinforcement in psychology".
If you can't find it---please PM me and I will help you find it.
dandylion