« previous next »

Author Question: When subjects act differently because they are aware that they are in an experiment, this is called ... (Read 79 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
on: Jun 29, 2018
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
Reply #1 on: Jun 29, 2018
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
« previous next »
 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Experiment on newt embryos that led to the discovery of Spemann's organizer. Experiment on newt embryos that led to the discovery of Spemann's organizer.
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
A square matrix P is called a permutation matrix if each row and column of P contains exactly ... A square matrix P is called a permutation matrix if each row and column of P contains exactly ...
Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin
Hierarchical clusters in a microarray experiment using RNA samples from Saccharomyces cerevisiae Hierarchical clusters in a microarray experiment using RNA samples from Saccharomyces cerevisiae
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

For a complete list of videos, visit our video library