Author Question: In a preexperimental design specific events may occur between the pretest and the posttest, which ... (Read 140 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
In a preexperimental design specific events may occur between the pretest and the posttest, which cause changes that are measured on the posttest. This represents a failure to control
 
  a. randomization.
  b. maturation.
  c. pretest sensitivity.
  d. reactivity.
  e. history.

Question 2

Choose the type of validity evidence that a researcher would need to determine the score validity of the following kinds of instruments. A test designed to measure what fourth graders know about long division.
 
  a. evidence based on content.
  b. evidence based on relationship to other variables
  c. evidence based on construct measured



kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Answer to Question 1

E

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

For a complete list of videos, visit our video library