A true experiment is preferable to a quasi experiment _____________

A true experiment is preferable to a quasi experiment _____________
 
  a. always
  b. never
  c. when you cannot randomly allocate subjects to conditions
  d. all other things being equal

Question 2

A field study may be preferable to a true experiment because of increased
 
  a. Internal validity
  b. Elevated reliability
  c. Variability
  d. Ecological validity

Question 3

A quasi experiment has lower __________ validity but may have higher ________ validity
 
  a. statistical, construct
  b. construct, statistical
  c. external, internal
  d. internal, external