Peter believes listening to relaxing music will improve memory. He designs a study in which 15 people listen to relaxing music while studying for 30 minutes and 15 people study in a quiet room for 30 minutes. He measures how much they remember from the material they studied. In this example, the independent variable is:
a. the amount that the participants remember from the material they study
b. what the participants hear while they study (relaxing music or no music)
c. the number of people who take part in the experiment
d. the length of time the participants were allowed to study the material
B
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During the process of __________, new synapses form on dendrites.
A. myelination B. neurogenesis C. pruning D. synaptogenesis
People use many strategies to try to regulate affect and stay in a good mood. While the data are very complex, research suggests that one of the most effective strategies is ____
a. introspection by oneself b. watching television c. exercising d. drinking alcohol
Claire must try to convince the other executives in her company to invest in a major real estate venture. She knows that her colleagues are not initially in favor of the idea. According to what psychologists know about the optimal content for persuasive messages, Claire should:
a. present both sides of the argument b. present only her side of the argument c. let the members of the group make up their own minds d. start by suggesting that they not make the investment
Which of the following statements is true regarding IQ scores?
a. Middle-class Whites outscore lower-class Whites. b. Middle-class African Americans outscore lower-class African Americans. c. Middle-class Hispanics outscore lower-class Hispanics. d. All of these statements are true.