Shanika wants to study the effects of stress on performance. In her experiment, she exposes the experimental group to a scary video while the control group watches a cartoon. Fifteen minutes after watching the videos, participants are asked to perform a
manual dexterity task that involves picking up small metal rods from a table placed in front of them. The length of time it takes for the participant to pick up the metal rods is measured. In this experiment, what is the operational definition of stress?
a. Exposure to a cartoon
b. The amount of time it takes to pick up the rods
c. Exposure to a scary movie
d. The 15 minutes between the video and the performance task
Answer: C
Psychology
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Fallon has been diagnosed with a major depression. She is most likely deficient in which neurotransmitter?
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Psychology