Factorial designs a) Are generally not appropriate for ...

[kaid0807]

Factorial designs
 
  a) Are generally not appropriate for experimental research
  b) Measures a single independent variable in depth
  c) Require an increase in sample size if a pretest is used
  d) Allow for generalization across variables with an interaction effect is present

Question 2

when a change in the dependent variable in a group is measured across time or when participants in a group are exposed to two or more treatments simultaneously, and the outcome of the treatments are evaluated across time
 
  a) a within group design is used
  b) a between group design is used
  c) factorial designs are used
  d) all of the above

[amcvicar]

Answer to Question 1

c

Answer to Question 2

a

[kaid0807]

TY

[amcvicar]

You're welcome