Which of the following statements best describes the use of the two strategies mentioned above?
a. a is often useful, b is likely to lead to spurious conclusions.
b. b is often useful, a is likely to lead to spurious conclusions.
c. Both are recommended procedures.
d. Neither is a recommended procedure.
Question 2
Choose the term that is described in each of the phrases below. Subjects are assigned to treatments using a table of random numbers.
a. random assignment
b. randomized matching
c. homogeneous selection
d. analysis of covariance
e. use of subjects as their own controls