« previous next »

Author Question: In a preexperimental design specific events may occur between the pretest and the posttest, which ... (Read 183 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

E

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

LaDunn

  • Hero Member
  • *****
  • Posts: 526
Reply #2 on: Jun 20, 2018
Thank you


kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Sequence of events from DNA to protein. Sequence of events from DNA to protein.
Sample of a business card design. Sample of a business card design.
Overview of the major events and outcomes of mitosis and meiosis Overview of the major events and outcomes of mitosis and meiosis
Allele-specific oligonucleotide (ASO) testing for the -globin gene and sickle-cell anemia Allele-specific oligonucleotide (ASO) testing for the -globin gene and sickle-cell anemia
Locations of early developmental events. Locations of early developmental events.
Immune-to-brain signaling occurs in response to infection, injury, and inflammation that occur in pe Immune-to-brain signaling occurs in response to infection, injury, and inflammation that occur in pe
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library