Two events are mutually exclusive if _________
a. they are independent
b. they both cannot occur together
c. the occurrence of one slightly alters the probability of occurrence of the other
d. the probability of their joint occurrence equals one
B
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To better understand bulimia among college students, a researcher lives in a female freshman dorm for the fall semester to observe and interview students about their stresses, attitudes, and eating behaviors. This is an example of what type of study?
a. analogue c. experimental b. field d. case
A common psychosocial factor seen in antisocial personality disorder is:
A. shyness B. Type D behavior C. physical or sexual abuse in childhood D. a passive personality trait
If a neurotransmitter key closes the receptor's lock, then the neurotransmitter is said to be:
A. at the threshold B. inhibitory C. positively charged D. at an action potential
The area under the critical region for rejection must _________
a. equal alpha c. be greater than alpha b. be less than alpha d. equal one-half of alpha