A potential problem with random assignment to conditions is that ...

[natalie2426]

A potential problem with random assignment to conditions is that
 
  a. subjects can predict what group they will be placed in.
  b. experimental bias may be increased.
  c. statistical significance is more difficult to assess.
  d. unless blocked random assignment is used, confounding can still occur.

Question 2

Why would a researcher most likely use a blind experimenter?
 
  a. To decrease experimental bias
  b. To increase demand characteristics
  c. To eliminate the need for two control groups
  d. To test extrasensory perception

[ndhahbi]

Answer to Question 1

d

Answer to Question 2

a