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

Author Question: Bias in a sample for a quantitative study refers to: A) Lack of heterogeneity in the population ... (Read 46 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 8, 2018
Bias in a sample for a quantitative study refers to:
 
  A) Lack of heterogeneity in the population on the attribute of interest
  B) Sample selection in nonprobability-type sampling
  C) The margin of error in the data obtained from samples
  D) Systematic over- or under-representation of an attribute vis--vis the population

Question 2

Researchers tested the effectiveness of a telemedicine program for elderly patients with congestive heart failure using a one-group pretest-posttest design. What statistical test would be appropriate for them to use?
 
  A) Independent t-test
  B) Dependent t-test
  C) Pearson's r
  D) Chi-square test


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carojassy25

  • Sr. Member
  • ****
  • Posts: 299
Reply #1 on: Jul 8, 2018
Answer to Question 1

D

Answer to Question 2

B


Themember4

  • Member
  • Posts: 538
Reply 2 on: Jul 8, 2018
Thanks for the timely response, appreciate it

dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Temperament refers to stable differences in the emotional reactions of different children to similar ... Temperament refers to stable differences in the emotional reactions of different children to similar ...
Sample Advance Directive Cont. Sample Advance Directive Cont.
Hares and Lynx population change "الأرانب البرية و الوشق" Hares and Lynx population change "الأرانب البرية و الوشق"
The population of a city has continued to grow since 1950. The population of a city has continued to grow since 1950.
Baltimore Longitudinal Study of Aging Baltimore Longitudinal Study of Aging
Harvard Alumni Study show who are more physically active in middle adulthood Harvard Alumni Study show who are more physically active in middle adulthood
Video: Pressure volume relationships - Normal inspiration and expiration

For a complete list of videos, visit our video library