Sometimes it is difficult to generalize the results of a study to ...

[anjilletteb]

Sometimes it is difficult to generalize the results of a study to the population because of the _____.
 
  a. diffusion of treatment problem
  b. college sophomore problem
  c. regression to the mean problem
  d. mortality problem

Question 2

Increasing the number of levels of the independent variable is to _____ replication as changing the type of dependent measure is to _____ replication.
 
  a. exact; conceptual
  b. conceptual; exact
  c. systematic; exact
  d. systematic; conceptual

[akpaschal]

Answer to Question 1

b

Answer to Question 2

d

[anjilletteb]

Wow, this really help

[bitingbit]

Thanks for the timely response, appreciate it