Hector Measures Participants Based on a Variable of Interest and Rank

Multiple Choice

Hector measures participants based on a variable of interest and rank orders them according to their scores. He then places them in pairs in which each member has approximately the same score as the other member in the pair. The members of each pair are then randomly assigned to the conditions in the experiment. Hector's method of participant assignment is an example of a(n) _____ design.

A) independent pairs
B) repeated measures
C) Latin squares
D) matched pairs