Dr. Zelman conducts research that explores the relationship between alcohol consumption and driving ability. He runs participants through a driving obstacle course after they consume various amounts of alcohol
He concludes that the more alcohol a person consumes, the more impaired their driving will be. Because his results can be generalized to the larger population from which his sample was drawn, his study would be described as having high __________ validity.
a. applicable
b. general
c. external
d. criterion
Answer: C
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Which of the following is the biggest reason that employees miss work?
a. Illness b. Stress c. Personal needs d. Family issues
A within-subjects design is not prone to threats to internal validity related to order effects.
Answer the following statement true (T) or false (F)
Over the past few decades, what change has occurred in psychological research involving the use of animals?
a) There has been a decrease in the number of studies using certain species. b) The number of state and federal guidelines governing the use of animals has decreased. c) Government regulations have limited the use of animals to medical research on life-threatening diseases. d) The use of animals in research is now limited to major research universities that receive grants to conduct research.
In the U.S., the annual economic burden of schizophrenia amounts to ______.
A. $100 billion B. $165 billion C. $150 billion D. $156 billion