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Author Question: A study is investigating the rate of immunization at a community-based clinic. Selection bias is ... (Read 62 times)

mpobi80

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on: Jul 8, 2018
A study is investigating the rate of immunization at a community-based clinic. Selection bias is most likely to be present in which of the following samples?
 
  A) Random sample of clients accessing an urgent care clinic
  B) Random sample of records of school clinic vaccination rates
  C) Convenience sample of mothers who bring children to clinic for vaccinations
  D) Convenience sample of high school students who have received required vaccinations

Question 2

The one-group pretest-posttest design is the strongest possible quasi-experimental design.
 
  A) True
  B) False


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karlss

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Reply #1 on: Jul 8, 2018
Answer to Question 1

C
Feedback:
Random sampling mitigates the possibility of selection bias. A convenience sample of mothers who opt for vaccination may be a population that is significantly different from the larger population.

Answer to Question 2

B


mpobi80

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Reply 2 on: Jul 8, 2018
Excellent

anyusername12131

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Reply 3 on: Yesterday
Wow, this really help

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