_____ is a noninvasive neural-imaging technique that basically ...

[CQXA]

_____ is a noninvasive neural-imaging technique that basically looks inside the brain.
 a. Neuromarketing
  b. Magnetic immunoassaying
  c. Eye-tracking
  d. Functional magnetic resonance imaging

Question 2

The model for selection in question 23 is used instead of others because
 a. it calculates a more accurate error term
  b. its normally-distributed error is somewhat easier to work with
  c. it predicts more accurately the factor loading
  d. its Gumbel-distributed error is somewhat easier to work with

[Cnarkel]

Answer to Question 1

D

Answer to Question 2

B
Because the binary probit model produces an error that is normally-distributed and easier to work with, it is used in the Heckman model.

[CQXA]

Gracias!

[Liddy]

Thanks for the timely response, appreciate it