Figure 3-3
Ice cream is measured in kilograms. 
-Refer to Figure 3-3. For Jerry, what is the opportunity cost of 1 kg of cones?
Definitions:
Arousal Theory
A theory suggesting that people are motivated to maintain an optimal level of arousal, seeking to increase or decrease stimulation to achieve this level.
Spillover Effect
The phenomenon where an emotional reaction to one event spills over and influences the response to another event.
Guilty Knowledge Test
A psychological assessment that measures physiological responses to recognize familiarity with information that should only be known to the guilty party.
Polygraph
A polygraph, commonly known as a lie detector, is an instrument that measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked a series of questions.
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