What is the primary limitation of using only two levels of a ...

[jho37]

What is the primary limitation of using only two levels of a factor in a two-factor between-subjects design?
 
  a. It is simple to interpret.
 b. It increases the chances of demonstrating a significant mean difference.
 c. It tends to reduce the differences between the groups.
 d. It may not provide a complete picture of how the factor affects the dependent variable.

Question 2

Experimental design is generally strong against selection-history threats.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[Pamela.irrgang@yahoo.com]

Answer to Question 1

d

Answer to Question 2

True

[jho37]

Excellent

[vickyvicksss]

TYSM