Which group represents a convenience sample?
1. The students seen in the University Health Clinic on one afternoon in May
2. IV drug users recruited by the original study subjects who are IV drug users
3. Middle-class Caucasian females chosen as representatives of the accessible population
4. The 20 male subjects and 20 female subjects chosen for a study on gender differences
1
Rationale 1: Convenience sampling involves choosing readily available people for a study, such as those who happen to be treated in the clinic on that afternoon.
Rationale 2: This is an example of snowball sampling.
Rationale 3: This is an example of purposive or judgmental sampling.
Rationale 4: This is an example of quota sampling, in this case an even number of males and females.
Global Rationale:
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The most important aspect of training and practicing for disasters is:
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The overall goal for pain control during childbirth is to
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A group of senior citizens is talking about the difficulties of getting health care. Which of the following would be a reason for this?
a. too many HMOs b. having too much money in savings c. inability to obtain individual insurance due to high costs d. doctors refusing to see a patient unless the patient is really ill
Which pharmacologic information about plants is most important for a client who plans to collect plants for herbal therapy?
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