Final answer:
Skinner's Line refers to B.F. Skinner's psychological theories on positive reinforcement in behavior modification and metaphorically to an exercise illustrating coordinate systems in defining positive or negative positions along a straight line.
Step-by-step explanation:
The concept Skinner's Line initially seems to refer to two distinct topics. The first is based on methodology and principles of psychology, specifically behavioral psychology, where B.F. Skinner's work focused on positive and negative reinforcement of learned behaviors.
His research has been seminal in the field, influencing various aspects of human behavioral modification, although its prominence has faded in light of advances in cognitive psychology. The other usage of Skinner's Line appears to be metaphorical, related to defining positions as positive or negative along a straight line in an exercise meant to illustrate coordinate systems and reference points. This exercise stands as an analogy for understanding different perspectives and frames of reference.