« previous next »

Author Question: When subjects act differently because they are aware that they are in an experiment, this is called ... (Read 58 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?

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?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

The Meselson and Stahl experiment showing that DNA replication is semiconservative The Meselson and Stahl experiment showing that DNA replication is semiconservative
Graphic display of hypothetical results of a predator removal experiment. Graphic display of hypothetical results of a predator removal experiment.
Animals of Hindustan monkeys called bandar that can be taught to do tricks Animals of Hindustan monkeys called bandar that can be taught to do tricks
Solar Neutrino Experiment Solar Neutrino Experiment
The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ... The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...
Video: Digestive System Animation

For a complete list of videos, visit our video library