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

Author Question: How can a researcher be sure that threats to internal validity are being ruled out in the design? ... (Read 78 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
on: Aug 13, 2018
How can a researcher be sure that threats to internal validity are being ruled out in the design?
 
  a. sorting out what threats are applicable in which settings
  b. comparing the results of several posttests
  c. random selection will rule out, or greatly reduce, the chances for statistical regression
  d. all the above

Question 2

One threat to internal validity in criminal justice research that is not very significant is
 
  a. history, because few things happen on a grand scale that would impact criminal justice research
  b. maturation, because criminal justice subjects are not in research studies long enough to mature
  c. statistical regression, because subjects in the criminal justice system are likely to score lower than the mean anyway
  d. the concern about the publication of the findings


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Aug 13, 2018
Answer to Question 1

d

Answer to Question 2

d


crobinson2013

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Aug 13, 2018
Thanks


nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #3 on: Aug 13, 2018
Welcome :)


« previous next »
 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

The internal structures of the eye. The internal structures of the eye.
External and internal positions. External and internal positions.
Stromatolite fossil cut away to reveal the internal concentric banding. Stromatolite fossil cut away to reveal the internal concentric banding.
Drawing of spirochete's mobility system (with internal flagellae). Drawing of spirochete's mobility system (with internal flagellae).
Comparing Internal Structures of the Planets Comparing Internal Structures of the Planets
Component of right internal ear Component of right internal ear
Video: Digestive chemicals - types & enzymes

For a complete list of videos, visit our video library