An infant held by an adult

An infant in a car seat

A girl, between 2 & 6

A boy. between 2 & 6

A small group of kids between 2 & 6 (no more than 5)

A girl, 7 or older

A calm boy, 7 or older

A boisterous boy, 7 or older

A small group of kids 7 or older (no more than 5)

A small group of kids playing with a ball

A man with a beard or mustache

You in a hat

A friendly stranger in a hat

A friendly stranger in sunglasses

A person with a bike (who stops the bike and greets the dog)

A person on rollerblades or a skateboard (people moving 'abnormally' often worry dogs)

A person in a wheelchair

A person with an exaggerated gait

A person using crutches or a cane

A woman and a man whose skin color is radically different from yours

A person in uniform

A person driving a truck

A person carrying packages

A woman wearing a flowing skirt or dress

A stroller

A balloon

An umbrella

A camera (obscuring a person's face)

Musical instruments

An automatic door

A mirror

A bus (loading/unloading passengers)

An 18-wheeler (you can often find these parked behind grocery stores

A grocery cart moving past you and your dog

Walking between two parked cars

A vet's office (enter, give a treat & leave)

A cat with attitude

An older, well-socialized dog (meeting off leash in a neutral, safe environment)

A pet store

Lift the dog up onto a table-like surface

"Brush" the dog's gums with your thumb

Gently separate & hold each toe

Flapping movement, e.g., a flag or shaking out a towel

A sudden soft noise like a magazine dropping

A sudden scary noise, such as a pan dropping (use a helper so the dog doesn't associate this with you)

Dog in the bathtub

A lawn mower

A sprinkler