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

Author Question: Randomization does NOT control for A) threats to internal validity. B) threats to statistical ... (Read 48 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
Randomization does NOT control for
 
  A) threats to internal validity.
  B) threats to statistical validity.
  C) many confounding variables simultaneously.
  D) unknown factors.

Question 2

In using an ad hoc sample, the researcher should
 
  A) use the table of random numbers.
  B) not obtain descriptive information about participants, because it would bias the results.
  C) obtain sufficient descriptive information about participants to establish the limits for generalization.
  D) be cautious about internal validity.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C



krzymel

  • Hero Member
  • *****
  • Posts: 548
Both answers were spot on, thank you once again




 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

For a complete list of videos, visit our video library