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Linesha, a college student working part-time, receives a wage increase. An avid movie buff, she increased her purchases of Blu-ray discs and reduced her purchases of DVDs. Based on this information,
Optimism
A mental attitude characterized by hope and confidence in success and a positive future.
Placebo
A harmless pill, medicine, or procedure prescribed more for the psychological benefit to the patient than for any physiological effect.
Dependent Variable
The variable in an experiment that is expected to change in response to manipulations of the independent variable.
Low-Carbohydrate Diets
Dietary programs that restrict carbohydrate intake, typically to promote weight loss or manage certain medical conditions.
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