“A year-long study by the University of Pennsylvania, ending in 2009 and published in the journal Applied Animal Behavior Science (Elsevier), showed that aggressive dogs who were trained with aggressive, confrontational, or aversive training techniques, such as being stared at,… — Edward Custo Copy Share Image
“A year-long study by the University of Pennsylvania, ending in 2009 and published in the journal Applied Animal Behavior Science (Elsevier), showed that aggressive… — Edward Custo Copy Share Image
