To accurately conclude that changes in the dependent variable are caused by variations in the independent variable, researchers need to ensure that the independent variable is the only thing that changes systematically in an experiment
Indicate whether the statement is true or false
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What is a "Duchenne" smile?
a. A very brief expression when you are trying to hide your feelings b. An intentional, posed smile c. An asymmetrical smile, usually greater on the left side of the face d. A full, genuine smile including muscles around the eyes
Dollard and Miller agreed with Freud that
a. much of our behavior is unconscious. b. the first six years of life are crucial to personality development. c. to be fully functioning person, one must strive for congruence between one's real self and ideal self. d. our behavior is directed by psychosexual urges and fixations.
Russell's test scores are low, but he quickly grasps real-life problems and could be called "street smart." Which Sternberg area is a strength for him?
a. creative ability c. practical ability b. analytic ability d. crystallized intelligence
An advertising executive once noted about soft drink advertisements, "The thing about soda commercials is that they actually have nothing to say." By this, he meant that
a. soft drink companies often take an emotional approach to advertising. b. few soft drink ads contain voiceovers. c. soft drink ads rely on flashy visuals only. d. few soft drink ads actually influence consumers' purchasing behaviors.