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

Author Question: Prior to initiating a research study, a researcher conducts a power analysis to determine the sample ... (Read 153 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 8, 2018
Prior to initiating a research study, a researcher conducts a power analysis to determine the sample size necessary for a power level of 0.8 and an alpha of .05. The researcher will
 
  a. apply a quota sampling technique to improve generalizability.
  b. decrease the sample size to minimize costs.
  c. increase the sample size to avoid a Type II error.
  d. use stratified random sampling to minimize error.

Question 2

A researcher wishes to examine whether a teaching program for parents increases adherence to a drug regimen among children with seizure disorders.
 
  A convenience sample of children in a large teaching hospital is proposed. In order to prevent confounding of the results by socioeconomic status and type of health insurance, the researcher will utilize which additional sampling technique?
  a. Cluster
  b. Network
  c. Quota
  d. Theoretical


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: C

Answer to Question 2

ANS: C


WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jul 8, 2018
Wow, this really help

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Model organisms used to study the genetics of development Model organisms used to study the genetics of development
combined-cycle power plant combined-cycle power plant
Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
The power and control wheel illustrates the strategies that one partner may use to intimidate, ... The power and control wheel illustrates the strategies that one partner may use to intimidate, ...
Doing Qualitative Research: Designs, Methods, and Techniques Doing Qualitative Research: Designs, Methods, and Techniques
Use the power rule to find derivative Use the power rule to find derivative
Video: Coaductile pathway, Timing of contraction signal & Conduction system and ECG

For a complete list of videos, visit our video library