In order to test the effects of noise levels on typing speed, a ...

[colton]

In order to test the effects of noise levels on typing speed, a researcher uses six expert typists and asks each to type a page at two different noise levels (low and high). or all t
 
  The dependent variable, typing speed, is measured under both conditions for all typists. What kind of design is the researcher employing?
 
  A) a between-subjects design
  B) a between-groups design
  C) a within-subjects design
  D) a single-variable, independent-groups design

Question 2

A within-subjects design helps to ensure equivalence of groups at the start of the experiment because
 
  A) it employs a form of randomization.
  B) the participants in one group are the same participants as in the other group.
  C) of the extensive pretesting to rule out differences between individuals.
  D) of the stringent criteria of participant selection.

[jomama]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[colton]

TYSM

[kilada]

Gracias!