Author Question: Which of the following is a threat to internal validity? (Read 71 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
Which of the following is a threat to internal validity?
◦ Posttest sensitization
◦ Selection-treatment interaction
◦ Differential selection of participants
◦ Multiple-treatment interference


taylorsonier

  • Sr. Member
  • ****
  • Posts: 377
Differential selection of participants



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560

taylorsonier

  • Sr. Member
  • ****
  • Posts: 377
You're welcome



 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library