Given the following stem and leaf plot, determine the smallest value in the data set. 
Definitions:
Strange Situation
A procedure developed by psychologist Mary Ainsworth to observe attachment relationships between a caregiver and child.
Experimental Method
A research method involving the manipulation of variables to determine cause-and-effect relationships.
Depth Perception
The ability to perceive the world in three dimensions (3D) and to judge the distance of objects.
Brain Stimulation
A method of activating or inhibiting brain function through direct or indirect electrical or magnetic stimulation to treat neurological or psychological conditions.
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