Carol is listening to her new CD with the stereo's volume set ...

[sammy]

Carol is listening to her new CD with the stereo's volume set twice as high as usual. Her mother yells at her to turn the volume down, so Carol gives the volume control her usual half turn. Her mother cannot tell that she had turned the volume down at all. Carol will have to decrease the volume even more than usual to attain a(n) ____.
 
  a. response criterion
  b. just-noticeable difference
  c. risky shift
  d. interposition

Question 2

Boris is blindfolded and holding a pile of laundry. Natasha adds some dirty laundry to Boris's pile, then some more dirty laundry, then some more, and so on, just until Boris says, Now the pile of laundry feels heavier. Boris's judgment is best described by ____ law.
 
  a. the Gestalt
  b. Weber's
  c. Fechner's
  d. Stevens's power

[ghepp]

Answer to Question 1

ANSWER:
b

Answer to Question 2

ANSWER:
b

[sammy]

Excellent

Gracias!