When researchers wish to control for the effects of two ...

[james9437]

When researchers wish to control for the effects of two extraneous variables, a _______________ may be used.
 a. completely randomized design c. Latin square design
  b. randomized block design d. either b or c

Question 2

Which of the following eliminates the drawback of having the measure of dispersion in squared units rather than in the original measurement units?
 a. standard deviation
  b. variance
  c. deviation
  d. mean

[polinasid]

Answer to Question 1

C
The Latin square design allows for two extraneous variables.

Answer to Question 2

A

[james9437]

Wow, this really help

[nyrave]

TYSM