The pre-post designs are similar to within-subjects designs; ...

[abarnes]

The pre-post designs are similar to within-subjects designs; however, in a pre-post design, it is impossible to ____.
 
  a. randomly assign participants
 b. counterbalance order of treatments
  c. control for differential effects
 d. generalize the results

Question 2

Angela is conducting a survey about popular fast foods. She is using several different 11-point rating scales for issues such as how good foods taste, how attractive they look, how good they smell, how healthy they are, and whether they are worth their price. Her best choice for methodology is a ____.
 
  a. group questionnaire
  b. phone interview
  c. focus group
  d. personal interview

[nekcihc358]

Answer to Question 1

b

Answer to Question 2

a

[abarnes]

Gracias!

[diana chang]

Excellent