Nagy Enterprises had a 32% increase in sales after sending its employees to the Reilly School of Sales. However, without the use of a control group, it is difficult to determine if:
a. the money was spent wisely
b. the 32% increase was actually due to the training
c. the increase was due to outside factors
d. the trainees actually learned anything
b
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When Lewis smokes, the nicotine from the cigarettes will affect his brain cells by
a. causing more neurotransmitters to be released. b. prolonging the action of certain neurotransmitters. c. directly stimulating brain cells through the mimicry of specific neurotransmitters in the brain. d. filling receptor sites on brain cells and blocking incoming messages.
Illicit cocaine comes to the U.S. primarily from
A. Southeast Asia. B. Afghanistan. C. South America. D. Africa.
The expected value of F if the null hypothesis is true is ______.
A. 0 B. 1 C. 10 D. depends on the strength of the effect of the IV
What test did the U.S. Employment Service develop in the 1940s to assist with job referrals and career counseling?
A. Army Alpha and Beta tests B. Binet–Simon Scale C. General Aptitude Test Battery D. Armed Services Vocational Aptitude Battery