The variable that an experimenter measures to determine whether or not the manipulation has had an effect is the _____ variable

Angela is a vegetarian who works in a local fast-food restaurant, where the main fare is

burgers and hot dogs. Although she feels that workingat the restaurant is a contradiction, she says that vegetarianism is not the central belief system in her life and that supporting herself is more important. In this example, Angela a. probably never experienced any cognitive dissonance. b. reduced dissonance by reducing the importance of one of the dissonant elements. c. reduced dissonance by adding consonant elements. d. reduced dissonance by changing one of the dissonant elements. e. maintained dissonance by justifying her behavior.

Any substance that tries to leave the human bloodstream and get to the brain must first pass through the ___________

a. cerebral ventricles b. meningical filter c. hypothalamus d. blood-brain barrier