CID paradigm: computer animation used to measure preferred interpersonal distance
the word "friend", "stranger", "authority", or "ball" appears on the screen for 1s
then P gaze at a fixed point, appears on the screen for 0.5
next screen: plan of a circular room with a stick person at the center, represent the P
next, animation that lasts 3s: stick person / circle (ball) - the protagonist - enters the circle from from 1 of the 8 doors around the edge before approaching the person in the middle
P has to press the spacebar on the computer keyboard when they want the protagonist to stop