Author Question: Define what is meant by a threat to external validity. (Read 53 times)


meganlapinski

  • Sr. Member
  • ****
  • Posts: 333
A threat to external validity is a problem in generalizing the results to other persons, settings, treatment variables, and measures.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

tth

  • Hero Member
  • *****
  • Posts: 579

meganlapinski

  • Sr. Member
  • ****
  • Posts: 333
You're welcome



 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

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

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library