Christianity is the most populous religion
To coordinate involuntary rapid fine-motor movements
UCS: the owner taking the dog on a walk
CS: the garage door opening every time the owner takes the dog on a walk
UCR: the dog being excited every time they go outside or the owner takes them on a walk
CR: the dog being excited every time they hear the garage door opening because they associate this sound with going on a walk
*Also the NS (neutral stimulus) is the sound of the garage door