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

Author Question: Using already existing groups for research implies that A) participants cannot be randomly ... (Read 116 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Aug 4, 2018
Using already existing groups for research implies that
 
  A) participants cannot be randomly assigned.
  B) the research project is doomed to fail.
  C) any comparisons made between the groups are meaningless.
  D) participants have already been randomly assigned.

Question 2

Two basic quasi-experimental designs mentioned in the text are
 
  A) the nonequivalent control-group design and the differential design.
  B) the repeated-measures design and the nonequivalent control-group design.
  C) the interrupted time-series design and the case-study design.
  D) the nonequivalent control-group design and the interrupted time-series design.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jossy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D


Yolanda

  • Hero Member
  • *****
  • Posts: 757
Reply #2 on: Aug 4, 2018
Thanks


Jossy

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Aug 4, 2018
Welcome :)


« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Some common functional groups of biomolecules Some common functional groups of biomolecules
Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells
Political parties vs interest groups Political parties vs interest groups
Reference Groups Reference Groups
Functional groups Functional groups
Alleles and blood groups Alleles and blood groups
Video: Regulation of GFR: autoregulation via tubuloglomerular feedback, neural & hormonal regulation

For a complete list of videos, visit our video library