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Author Question: When subjects act differently because they are aware that they are in an experiment, this is called ... (Read 28 times)

plus1

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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

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Reply #1 on: Jun 29, 2018
Answer to Question 1

B

Answer to Question 2

Product recommendation systems.


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