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 44 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

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater, Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,
Population Interactions and Communities Population Interactions and Communities
Pablo Picasso, Study for Les Demoiselles d'Avignon: Head of the Squatting Demoiselle Pablo Picasso, Study for Les Demoiselles d'Avignon: Head of the Squatting Demoiselle
Race-Ethnicity of the U.S. Population Race-Ethnicity of the U.S. Population
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Sample time management planning chart for a massage student. Sample time management planning chart for a massage student.
Video: Mechanisms of capillary exchange

For a complete list of videos, visit our video library