One of the hallmarks of the experimental method that makes it different from a correlational study is that in an experiment,
a. we observe what happens in the natural world
b. the researcher is unaware of the independent variable.
c. a variable is manipulated in a way that would not have occurred naturally.
d. there are multiple control groups.
c
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Which of the following was included in the 1916 Stanford-Binet Intelligence Scale?
a. separate scales based on race and sex b. general mental ability c. standardization using a geographically diverse population d. representative sampling
The word accident implies that an injury is random, an unpredictable event
Indicate whether this statement is true or false.
Witnesses to the sniper attacks in Maryland and Virginia described seeing a white work van in the vicinity of the incidents. As a result of this, dozens of reports of suspicious white vans were received, even though the vans were behaving in perfectly normal way. Because the snipers actually drove a dark sedan, they were able to continue their terrible deeds longer. The people trying to solve the crime were operating under
A. a mental set. B. formal concepts. C. erroneous scripts. D. a working backward heuristic.
Which theory of emotion proposes that our emotions are the result of physiological arousal?
a. Facial feedback hypothesis b. Two-factor theory c. Cannon-Bard theory d. James-Lange theory