The purpose of matching individual subjects before randomly assigning one to Group A and the other to Group B is to
a. assure that the groups are truly random.
b. assure that the groups are equivalent on the dependent variable.
c. control as many extraneous variables as possible.
d. assure that the groups are not equivalent on the dependent variable.
Question 2
Which would be the least appropriate way to assign subjects to experimental groups?
a. Rolling a die
c. Teacher assignment
b. Flipping a coin
d. Using a table of random numbers.
Acromegaly in one individual from a pair of identical twins.
ABO Blood Group
The Local Group
Relationships and dates divergence of living primate group based on molecular and DNA comparisons.
Lateral Group of Descending Motor Tracts
Comparison of group II self-splicing introns and the spliceosome