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

Author Question: During the posttest of an experiment, the fire alarm sounded in every building on campus, producing ... (Read 41 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
During the posttest of an experiment, the fire alarm sounded in every building on campus, producing which of these problems for experimentation?
 
  a. history c. testing
  b. maturation d. intrusion

Question 2

If I wanted to measure the number of nightmares in children before and after they learned a meditation technique, and the events of September 11, 2001 happened during the meditation training, it would be an example of which of these problems for experimentation?
 
  a. history c. maturation
  b. disruption d. testing



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pangili4

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

A
History effects include events that happen only during the pretest or posttest because they make these situations different.

Answer to Question 2

A
Any nonexperimental event that happens between the pretest and posttest is called history.




Alainaaa8

  • Member
  • Posts: 576
Reply 2 on: Jun 19, 2018
Wow, this really help


LVPMS

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library