If it is not feasible to use a blind technique throughout the ...

[madam-professor]

If it is not feasible to use a blind technique throughout the whole experiment, the alternative is the
 
  a. double-blind technique.
  b. partial revelation technique.
  c. selective information technique.
   d. partial blind technique.

Question 2

In general, when selecting factors for a study, you want to be sure of which of these?
 
  a) they have been investigated before
  b) they are available to investigate
  c) they are not of interest to you
  d) they do not lead to another question

[aburgess]

Answer to Question 1

D

Answer to Question 2

b