This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A study is investigating the rate of immunization at a community-based clinic. Selection bias is ... (Read 57 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

karlss

  • Sr. Member
  • ****
  • Posts: 321
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

  • Member
  • Posts: 519
Reply 2 on: Jul 8, 2018
YES! Correct, THANKS for helping me on my review

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme
How to solve rate problems leading to fractional equations (Question 3) How to solve rate problems leading to fractional equations (Question 3)
Natural community in the antelope Valley Natural community in the antelope Valley
A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs
Seattle Longitudinal Study Seattle Longitudinal Study
Directional artificial selection favoring the AdhF allele in experimental Drosophila populations. Directional artificial selection favoring the AdhF allele in experimental Drosophila populations.
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

For a complete list of videos, visit our video library