Generally, it is impossible for measures to be
a) reliable but not valid.
b) valid but not reliable.
c) neither reliable nor valid.
d) both reliable and valid.
Question 2Conditions that are triggered by exposure to severely stressful events are referred to as
a) trauma-related disorders.
b) generalized anxiety disorder.
c) obsessive-compulsive disorder.
d) somatoform disorder.
Question 3Why would a researcher want to insure that every person in the larger group of study has an equal chance
of being included in the sample?
A) It provides important epidemiological information such as the prevalence and incidence of the
disorder.
B) This helps eliminate a correlational relationship.
C) It increases the chances of finding a causal relationship.
D) It increases the researcher's ability to generalize findings to the larger group.
Question 4Jim was given an intelligence test in March and re-administered the same test one year later. His score both times was the same. This indicates that the intelligence test has
a) high test-retest reliability.
b) highinterrater agreement.
c) internal consistency.
d) none of the above.
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