Examlex
Explain why manipulation of an independent variable is a necessary component of an experiment.
Chronically Depressed
Experiencing depression or depressive symptoms persistently over an extended period.
Achievements
The successful completion of tasks or attainment of objectives, measured against known standards of excellence.
Unrealistic Optimism
The belief that positive outcomes are more likely than negative ones, often underestimating potential risks.
Norepinephrine
A neurotransmitter and hormone involved in the body's response to stress, increasing heart rate and blood pressure, among other functions.
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