Author Question: When subjects act differently because they are aware that they are in an experiment, this is called ... (Read 59 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
When subjects act differently because they are aware that they are in an experiment, this is called the _____.
 a. history effect
  b. Hawthorne effect
  c. maturation effect
  d. Likert effect

Question 2

What increasingly common web feature uses a Heckman model to correct of massive amounts of missing data, parameter heterogeneity, and Bayesian estimation methods?



whitcassie

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

B

Answer to Question 2

Product recommendation systems.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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.

For a complete list of videos, visit our video library