Behaviors such as fearfulness, aggression, or separation anxiety can be very stressful and hard to cope with. (fidodogtraining.com)
Permit child to try out new ideas to cope with fearfulness at bedtime: extra reading time, radio on, listening to a tape in the middle of the night to undo the residue of fear from a nightmare (attach-china.org)
It can be defined as increased fearfulness of the dog after the departure of the owner. (ohiolabradoodles.com)