The Yerkes-Dodson law says that __________.
A. performance on a task is affected by levels of arousal
B. the more money you make, the better your job will be
C. nausea from bad food causes a reluctance to eat that food again
D. performance on tests is better in the morning
Answer: A
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A controlled test of a hypothesis, in which the researcher manipulates one variable in order to discover its effect on another variable, is called a(n) _______
a. correlational study. b. experiment. c. survey. d. single-blind study.
Newborn Santiago's parents plan to speak both Spanish and English in the home as they raise him. What is true regarding Santiago?
A. Infants cannot simultaneously learn two languages, so the language his parents speak most often will become dominant for him. B. He will learn both languages in a similar way and will be considered a simultaneous bilingual. C. He will experience confusion and will only gradually realize he is hearing and using two languages. D. He will learn both languages, but he will follow a different developmental course for learning Spanish than for English.
One of the reasons to study psychology is to
a. better understand human behavior. b. learn how to manipulate others for personal gain. c. utilize it in combination with the field of astrology in predicting human behavior. d. have the answers to all of life's questions.
A technique known as prefrontal lobotomy
a. earned a Nobel prize for Ugo Cerletti. b. caused many patients to cease displaying emotional reactions. c. is widely used today for a wide range of disorders. d. was often used in conjunction with electroconvulsive therapy.