Exam (elaborations)
NBDHE Exam Questions and Answers-Community Health portion
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NBDHE Exam Questions and Answers-Community Health portion
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NBDHE-Community Health portionWhich type of sample reduces chance of bias the most?
A. Stratified
B. Random
C. Systematic
D. Judgement - Answer -B. Random
Which sample describes selecting everyone 'nth" person to participate. Example: Every 5th person in
line was chosen
A. Stratified
B. Systematic
C. Convenience
D. Random - Answer -B. Systematic
In which sample do you select an element according to certain subgroups to diminish the chance of
sample fluctuations?
A. Stratified
B. Random
C. Judgement
, D. Systematic - Answer -A. Stratified
-usually with stratified, the subgroups have something in common.
Which sample describes someone who knows the population and selects the sample; familiarity with
the population? It also has the most bias?
A. Stratified
B. Random
C. Judgement
D. Convenience - Answer -C. Judgement
-pick people who will choose the results they want
Which sample describes a group being chosen based on ease. Example: standing outside of a grocery
store and giving survey to anyone you see.
A. Stratified
B. Judgement
C. Random
D. Convenience - Answer -D. Convenience
What variable is the outcome of interest; should change in response to intervention?
A. Dependent
B. Independent - Answer -A. Dependent
-DEPENDS on the intervention
What variable is also know as the intervention; being manipulated?
A. Dependent
B. Independent - Answer -B. Independent
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