This information is pulled from the 2007 ECMA paper about Electronic Collars.
In the 30 years since the first electronic training collars became widely available in the United States, these increasingly popular behavioral training products have been refined to produce more effective results in ways that have proven not only to be humane, but also-in fact-gentle.
U.S. pet owners purchased more than 2 million remote training devices, pet containment systems and bark collars in 2001.
-Radio Systems Corporation industry research
Over the years, electronic training collars have been known by many monikers-most notably and most graphically “shock collars.” Other terms include “electronic collars,” “e-collars,” and also “remote trainers” when used in the generic sense.
The current and more accurate term “electronic training collar” recognizes that while the products do incorporate a degree of electrical or “static” stimulation, the term “shock” is a misnomer for today’s technology.
A survey of current literature from canine behaviorists, psychologists, and veterinary researchers suggests that many behavioral problems other than aggression, fears and anxiety related behaviors may be addressed by the appropriate use of the electronic training collar. These behaviors include but are not limited to: