Psychology / Unit 1 Psych 0089 short lesson, about 20 seconds
Random Assignment
Captions available
The idea
Random assignment places each participant into a condition by chance, so groups differ only by chance at the start.
In practice
Each of 120 volunteers is assigned to the eight-hour or five-hour condition by coin flip before any testing begins.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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