If a rock band turned up its amplifiers to produce twice as much ...

[torybrooks]

If a rock band turned up its amplifiers to produce twice as much energy as it produced before, the listener would experience a sound
 
  a. twice as loud as before.
  b. four times as loud as before.
  c. one half as loud as before.
  d. ten time as loud as before.

Question 2

In a within-subjects design, the term participant attrition refers to the possibility that ____.
 
  a. the scores may differ from one treatment to another because of outside events
 b. the scores may differ from one treatment to another because of changes in themeasuring instrument
 c. the scores may differ from one treatment to another because the participants gainexperience in each treatment
 d. some of the individuals in the study may leave without completing all of the treatmentconditions

[peilian]

Answer to Question 1

D

Answer to Question 2

d

[torybrooks]

Excellent

Gracias!