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

Author Question: The major threat to the internal validity of research on articulation problems in young children is ... (Read 153 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Jun 20, 2018
The major threat to the internal validity of research on articulation problems in young children is
 
  a. regression.
  b. instrumentation.
  c. mortality.
  d. maturation.
  e. selection.

Question 2

The internal validity threat that randomization eliminates in an experimental study is
 
  a. selection bias.
  c. instrumentation.
  b. subject effects.
  d. history.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peilian

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


xclash

  • Hero Member
  • *****
  • Posts: 681
Reply #2 on: Jun 20, 2018
Thank you


peilian

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

The major skeletal muscles—anterior superficial view. The major skeletal muscles—anterior superficial view.
U.S. Study on Identity Achievement With age, more young people are classified in identity achieveme U.S. Study on Identity Achievement With age, more young people are classified in identity achieveme
The internal and external anatomy of the kidney. The internal and external anatomy of the kidney.
Major band of storms Major band of storms
Young recent immigrants often develop two identities Young recent immigrants often develop two identities
Risk factor for children age 2 to 3 Risk factor for children age 2 to 3
Video: Alternative Energy Sources

For a complete list of videos, visit our video library