Which event is the most common cause of a stroke?
a. lack of glucose
b. ischemia from an obstruction of an artery
c. hemorrhage of an artery
d. blow to the head
b
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Before beginning a study on the health effects of obesity, a group of researchers agree that, for the purposes of their research, anyone with a Body Mass Index greater than 30 kg/m² will be considered obese. This is an example of _______________
A) a confounding variable B) an operational definition C) convenience sampling D) an appeal to common sense
The antidepressant medication lithium is also referred to as a mood stabilizer because it
A. increases the availability of both dopamine and norepinephrine in the brain. B. is less toxic than the SSRI medications. C. helps to prevent manic episodes. D. increases thyroid functioning, which results in improved mood stabilization.
Lori's dad is in an exceptionally happy mood having just purchased a new car. Seeing this good mood, Lori asks "can we stop for ice cream on the way home?" Lori's dad, who generally does not approve of sweet treats says "sure."
In this situation, the dad's mood might have served as __________ a) a neutral stimulus. b) a generalized stimulus. c) a reinforcer. d) a discriminative stimulus.
What is an example of the basic level effect?
A. Johan recognizes a tree in front of him before he knows it is an elm. B. Zora can recognize Miles Davis before she realizes she is listening to music. C. Albert sees an animal dart into the bushes and thinks "chipmunk." D. A plate of food is put before Ricky and it takes him a moment to realize that he is being served tacos.