- Sackett self selection circus
The Sackett self-selection circus is an apparatus used in
experimental psychology with non-humanprimate s. It is a space divided into compartments containing objects; the time an animal spends with each object is measured, indicating an amount of fear or anxiety of those objects. [Richard, David C. S. and Lauterbach, Dean L. (2006). In " [http://books.google.com/books?id=ySHkNATIWNAC Handbook of Exposure Therapies] ". Academic Press. pp. 35-36. ISBN 0125874219. Google Book Search. Retrieved on December 17, 2007.] For example, see the "Methods" section of [http://www.brown.edu/Research/Primate/lpn28-4.html#wean2 Rehousing Nonreproductive Rhesus Macaques with Weanlings] .References
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