This topic contains a solution. Click here to go to the answer

Author Question: How can a researcher be sure that threats to internal validity are being ruled out in the design? ... (Read 21 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
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
Answer to Question 1

d

Answer to Question 2

d





 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

For a complete list of videos, visit our video library