Alfredo is conducting an experiment on the effects of exercise on concentration. The independent variable is ____ and the dependent variable is ____
a. subjects; control group c. exercise; concentration
b. experimental group; concentration d. concentration; exercise
C
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When Marla first moved to New York City, she could hardly sleep because of all the noise coming from the nearby street. After a month or two, she stopped noticing these noises, and now she feels like she would have a hard time sleeping in a quiet country village. What explains this change?
-Weber's law -bottom-up processing -opponent-process theory -sensory adaptation
Relationships between two variables that can be described by a straight line are called _____
relationships. a. direct b. normal c. correlational d. linear
Melinda sees a dog on the street and is extremely scared. She decides to run away as fast as she can. When she gets home, she calms down because the dog did not follow her. In this situation, the ________ prepared Melinda's body to deal with this emergency, and the ________ relaxed her body after the crisis.
A. autonomic nervous system; somatic nervous system B. parasympathetic nervous system; central nervous system C. central nervous system; sympathetic nervous system D. sympathetic nervous system; parasympathetic nervous system
Regarding PTSD, positive psychology states that
A. acute stress disorder is a subcategory of PTSD. B. trauma potentially allows clients to find positive interpretations of their experiences. C. pharmacotherapy by the use of antidepressant is the only way to generate positive results. D. people suffering from generalized anxiety disorder tend to acquire PTSD syndromes very quickly.