Accurate aggression assessment in dogs is critical for welfare outcomes — both for the dog being assessed and for the people and animals that dog may encounter.
Dog aggression assessment sits at a welfare crossroads: inaccurate assessment in the direction of over-attribution of aggression leads to euthanasia of treatable dogs, while under-attribution creates safety risks for adopters. The science of shelter behavioral assessment has consistently found poor predictive validity for home behavior, reflecting that shelter stress fundamentally changes dog behavior in ways that obscure accurate assessment. Best practice uses multiple observation points over time, professional evaluation when histories suggest serious risk, and honest placement matching that accounts for individual behavior profiles. The welfare of dogs depends on getting assessment right — overly conservative assessment kills recoverable dogs while insufficiently cautious assessment places dogs in situations that may result in incidents and subsequent euthanasia.