Sackett self-selection circus explained

The Sackett self-selection circus is an apparatus used in experimental psychology with non-human primates. It is a space divided into compartments containing objects; the time an animal spends with each object is measured, indicating any amount of fear of or anxiety from those objects.^{[1] [2]}

Notes and References

1. Richard, David C. S. and Lauterbach, Dean L. (2006). In Handbook of Exposure Therapies. Academic Press. pp. 35-36. . Google Book Search. Retrieved on December 17, 2007.
2. Web site: Laboratory Primate Newsletter Volume 28 Number 4. www.brown.edu. 2017-11-15.