Author Question: If a group of potential participants is tested so those scoring poorly can be selected for ... (Read 27 times)

Caiter2013

  • Hero Member
  • *****
  • Posts: 607
If a group of potential participants is tested so those scoring poorly can be selected for participation in a program to raise test scores, the selected group may show higher scores after engaging in the program.
 
  There would be a threat to internal validity here. It would be
  a. selection.
  b. maturation.
  c. statistical regression.
  d. history.

Question 2

If research participants are assessed with a particular questionnaire early in a study, but the researchers change the questions for later assessment so participants can't simply repeat answers,
 
  what potential thread to internal validity would be at work here?
  a. instrumentation.
  b. testing.
  c. selection.
  d. history.



hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

c

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

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

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

For a complete list of videos, visit our video library