Question 1
“To be considered eligible for the study, subjects had to be older than 21 years of age, hold
a valid state driver’s license, and be able to fire a shotgun.” This is an example of which of
the following?
Answers: a.
Exclusion plan
b.
Sampling criteria
c.
Population element
d.
Representativeness
Response
Feedback: Sampling criteria, also referred to as eligibility criteria or inclusion criteria,
include a list of characteristics essential for membership or eligibility in the
target population. The criteria are developed from the research problem, the
purpose, a review of literature, the conceptual and operational definitions of
the study variables, and the design. The sampling criteria determine the
target population, and the sample is selected from the accessible population
within the target population
p 330
Question 2
A researcher develops a new instrument to measure coping skills and conducts a
pilot study to compare the new tool with an existing tool that measures this
concept. This is an example of evidence of validity from:
, Answers: a.
Readability
b.
Contrasting groups
c.
Divergent vality
d.
Convergent validity
Response Feedback:
page 382
Question 3
Why are convenience samples used so frequently in nursing research, when a random
sample would allow for greater generalizability?
Answers: a.
Ordered lists of of all member of a patient populations are often available.
b.
Cluster sampling is is inexpensive and time consuming.
c.
There is less opportunity for systematic bias.
d.
Nurses are limited to the populations they serve; many populations are small
and difficult to access.
“To be considered eligible for the study, subjects had to be older than 21 years of age, hold
a valid state driver’s license, and be able to fire a shotgun.” This is an example of which of
the following?
Answers: a.
Exclusion plan
b.
Sampling criteria
c.
Population element
d.
Representativeness
Response
Feedback: Sampling criteria, also referred to as eligibility criteria or inclusion criteria,
include a list of characteristics essential for membership or eligibility in the
target population. The criteria are developed from the research problem, the
purpose, a review of literature, the conceptual and operational definitions of
the study variables, and the design. The sampling criteria determine the
target population, and the sample is selected from the accessible population
within the target population
p 330
Question 2
A researcher develops a new instrument to measure coping skills and conducts a
pilot study to compare the new tool with an existing tool that measures this
concept. This is an example of evidence of validity from:
, Answers: a.
Readability
b.
Contrasting groups
c.
Divergent vality
d.
Convergent validity
Response Feedback:
page 382
Question 3
Why are convenience samples used so frequently in nursing research, when a random
sample would allow for greater generalizability?
Answers: a.
Ordered lists of of all member of a patient populations are often available.
b.
Cluster sampling is is inexpensive and time consuming.
c.
There is less opportunity for systematic bias.
d.
Nurses are limited to the populations they serve; many populations are small
and difficult to access.
