Which of the following tools/techniques helps in finding out what ...

[nummyann]

Which of the following tools/techniques helps in finding out what was noticed or not noticed and what seemed to pique interest on a website?
 a. Digital video recorders
  b. Virtual worlds
  c. Eye-tracking technology
  d. Functional magnetic resonance imaging

Question 2

The problem of selection bias was long been recognized by statisticians as a problem until the introduction of the
 a. Markov chain Monte Carlo method
  b. hierarchical Bayesian estimation method
  c. latent heterogeneity model
  d. Heckman model

[mochi09]

Answer to Question 1

C

Answer to Question 2

D
In 2000, James Heckman was awarded the Nobel Prize in Economics for his development of the Heckman model to deal with selection bias.