One of the Big Advantages of a Repeated-Measures Design Is

One of the big advantages of a repeated-measures design is that:

A) The data are easier to interpret than are data from a design in which participants are randomly assigned to groups
B) It does not carry the risk of carryover or order effects
C) The experimenter does not have to worry about whether the groups of participants are equivalent to each other
D) It is not subject to the influence of expectancy effects